{"title":"Fiber Laser Welders","description":"","products":[{"product_id":"sfl-series-fiber-laser-welding-cell","title":"SFL Series Fiber Laser Welder","description":"\u003cdiv style=\"display: block !important; width: 100% !important; max-width: 920px !important; margin-left: auto !important; margin-right: auto !important; padding: 20px; color: #222; line-height: 1.65; box-sizing: border-box; float: none !important; clear: both;\"\u003e\n\u003ch2 style=\"margin: 0 0 14px; line-height: 1.18;\"\u003eSFL Series Fiber Laser Welding Cell\u003c\/h2\u003e\n\u003cp style=\"font-size: 20px; line-height: 1.5; margin: 0 0 18px;\"\u003e\u003cstrong\u003eProduction-ready fiber laser welding for battery modules, tabs, busbars, and high-current interconnect assemblies.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Sunstone® SFL Series Fiber Laser Welding Cell is a configured, enclosed fiber laser welding platform built for battery manufacturing environments where precision, repeatability, throughput, and support matter. Available in 1,500 W and 3,000 W configurations, the SFL Series combines industrial fiber laser power with integrated motion control, 2-axis galvo scanning, X-axis linear motion, water cooling, and a fully enclosed work cell.\u003c\/p\u003e\n\u003cp\u003eFor battery manufacturers producing EV battery packs, energy storage systems, aerospace batteries, UAV batteries, or industrial power systems, the SFL Series provides a practical path to automated battery welding without starting from a custom automation project from scratch.\u003c\/p\u003e\n\u003ch2\u003eCore Platform Specifications\u003c\/h2\u003e\n\u003cdiv style=\"margin: 18px 0 30px; width: 100%; overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; min-width: 680px; border-collapse: collapse; border: 1px solid #ddd; font-size: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; background: #1b2f42; color: #ffffff; text-align: left;\"\u003ePlatform Feature\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; background: #FF8200; color: #ffffff; text-align: left;\"\u003eSFL 1500\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; background: #315f9f; color: #ffffff; text-align: left;\"\u003eSFL 3000\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eLaser Source\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003e1500W Fiber\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003e3000W Fiber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eWavelength\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003e1070 nm, ±10 nm\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003e1070 nm, ±10 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eWorking Mode\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003eContinuous \/ Modulation\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003eContinuous \/ Modulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eMotion System\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003eX-Axis Linear + 2-Axis Galvo\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003eX-Axis Linear + 2-Axis Galvo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eWorking Area\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003e1000 × 800 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003e1000 × 800 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eSafety Enclosure\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003eFully enclosed work cell\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003eFully enclosed work cell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eFunctions\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003eWeld \/ Clean \/ Cut\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003eWeld \/ Clean \/ Cut\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eSFL 1500 vs. SFL 3000\u003c\/h2\u003e\n\u003cp\u003eThe SFL Series is available in two configurations. Both systems share the same enclosed work cell platform, 1070 nm fiber laser wavelength, X-axis linear motion, 2-axis galvo scanning, 1000 × 800 mm working area, water cooling, and weld \/ clean \/ cut capability. The right configuration depends on your material stack, joint design, throughput requirements, and production goals.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 16px; margin: 22px 0 30px;\"\u003e\n\u003cdiv style=\"flex: 1 1 280px; border: 2px solid #FF8200; border-radius: 10px; padding: 18px; background: #fff7ef;\"\u003e\n\u003cp style=\"margin: 0 0 8px; font-size: 13px; font-weight: bold; color: #ff8200; text-transform: uppercase; letter-spacing: .08em;\"\u003eSFL 1500\u003c\/p\u003e\n\u003ch3 style=\"margin: 0 0 10px; font-size: 22px; line-height: 1.25;\"\u003e1,500 W Fiber Laser\u003c\/h3\u003e\n\u003cp style=\"margin: 0;\"\u003eBest suited for pilot production, battery development programs, moderate-volume manufacturing, tab welding, and module assembly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 280px; border: 2px solid #315f9f; border-radius: 10px; padding: 18px; background: #f5f8fc;\"\u003e\n\u003cp style=\"margin: 0 0 8px; font-size: 13px; font-weight: bold; color: #315f9f; text-transform: uppercase; letter-spacing: .08em;\"\u003eSFL 3000\u003c\/p\u003e\n\u003ch3 style=\"margin: 0 0 10px; font-size: 22px; line-height: 1.25;\"\u003e3,000 W Fiber Laser\u003c\/h3\u003e\n\u003cp style=\"margin: 0;\"\u003eBest suited for high-volume manufacturing, larger battery modules, copper busbar welding, demanding production environments, and maximum throughput requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 30px 0; padding: 26px 22px; background: #f5f5f5; border-radius: 10px; text-align: center;\"\u003e\n\u003cp style=\"margin: 0 0 12px; font-size: 22px; line-height: 1.3;\"\u003e\u003cstrong\u003eEvaluating fiber laser welding for battery production?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 18px;\"\u003eTalk with Sunstone® about your cell type, tab design, busbar geometry, material stack, site requirements, and production goals.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 12px;\"\u003e\u003ca href=\"https:\/\/www.sunstonewelders.com\/pages\/request-a-quote?utm_source=sfl-series-fiber-laser-welding-cell-product\u0026amp;utm_medium=button\u0026amp;utm_campaign=lead-gen\u0026amp;utm_content=talk-to-application-engineer-top\u0026amp;product_name=SFL%20Series%20Fiber%20Laser%20Welding%20Cell\u0026amp;product_url=https%3A%2F%2Fwww.sunstonewelders.com%2Fproducts%2Fsfl-series-fiber-laser-welding-cell\u0026amp;product_handle=sfl-series-fiber-laser-welding-cell\u0026amp;product_sku=SFL%20Series\" style=\"display: inline-block; width: 290px; box-sizing: border-box; text-align: center; background: #FF8200; color: #ffffff; text-decoration: none; padding: 12px 20px; border-radius: 6px; font-weight: 600; border: 2px solid #FF8200;\"\u003eTalk to an Application Engineer\u003c\/a\u003e\u003c\/div\u003e\n\u003cp style=\"margin: 14px 0 0; font-size: 15px;\"\u003e\u003ca href=\"https:\/\/www.sunstonewelders.com\/pages\/request-a-quote?utm_source=sfl-series-fiber-laser-welding-cell-product\u0026amp;utm_medium=text-link\u0026amp;utm_campaign=lead-gen\u0026amp;utm_content=request-a-quote-top\u0026amp;product_name=SFL%20Series%20Fiber%20Laser%20Welding%20Cell\u0026amp;product_url=https%3A%2F%2Fwww.sunstonewelders.com%2Fproducts%2Fsfl-series-fiber-laser-welding-cell\u0026amp;product_handle=sfl-series-fiber-laser-welding-cell\u0026amp;product_sku=SFL%20Series\" style=\"color: #333; text-decoration: underline; text-underline-offset: 3px;\"\u003eRequest a quote\u003c\/a\u003e \u003cspan\u003e · \u003c\/span\u003e \u003ca href=\"https:\/\/www.sunstonewelders.com\/pages\/free-micro-weld-evaluation?utm_source=sfl-series-fiber-laser-welding-cell-product\u0026amp;utm_medium=text-link\u0026amp;utm_campaign=lead-gen\u0026amp;utm_content=send-sample-parts-top\u0026amp;product_name=SFL%20Series%20Fiber%20Laser%20Welding%20Cell\u0026amp;product_url=https%3A%2F%2Fwww.sunstonewelders.com%2Fproducts%2Fsfl-series-fiber-laser-welding-cell\u0026amp;product_handle=sfl-series-fiber-laser-welding-cell\u0026amp;product_sku=SFL%20Series\" style=\"color: #333; text-decoration: underline; text-underline-offset: 3px;\"\u003eSend sample parts\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eSite Readiness and Installation Requirements\u003c\/h2\u003e\n\u003cp\u003eThe SFL Series is built as an integrated welding cell, but successful deployment still depends on preparing the production site correctly. Sunstone® helps customers review facility requirements, cooling needs, electrical service, shielding gas, compressed air, and application-specific configuration before implementation.\u003c\/p\u003e\n\u003cdiv style=\"margin: 18px 0 30px; width: 100%; overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; min-width: 720px; border-collapse: collapse; border: 1px solid #ddd; font-size: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; background: #1b2f42; color: #ffffff; text-align: left;\"\u003eRequirement\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; background: #FF8200; color: #ffffff; text-align: left;\"\u003eSFL 1500\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; background: #315f9f; color: #ffffff; text-align: left;\"\u003eSFL 3000\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eInput Power\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003e480V, 3-Phase, 60 Hz\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003e480V, 3-Phase, 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eOperating Voltage, Internal\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003e220V ±40V\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003e220V ±40V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eTotal Power Consumption\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003e~7.5 kW\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003eConfirm with factory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eRecommended Capacity\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003e15–20 kVA\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003e30–40 kVA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eRecommended MCB\/MCCB\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003e32A minimum \/ 40A preferred\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003e32A minimum \/ 40A preferred\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eCooling Method\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003eWater cooling, DI\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003eWater cooling, DI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eDI Water Required\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003e16 L minimum\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003e16 L minimum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eMax Cooling Pressure\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003e1.0 MPa\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003e1.0 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003e10–40°C\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003e10–40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eMax Humidity\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003e\u0026lt;70% non-condensing\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003e\u0026lt;70% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd; font-weight: bold;\"\u003eRequired Utilities\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003eShielding gas, N2 or argon, and compressed air\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; border: 1px solid #ddd;\"\u003eShielding gas, N2 or argon, and compressed air\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 14px; color: #555; margin-top: -12px;\"\u003eAll specifications are subject to change. 3000W power consumption should be confirmed with the factory. Shielding gas, N2 or argon, and compressed air are required for operation.\u003c\/p\u003e\n\u003ch2\u003eSafety and Compliance\u003c\/h2\u003e\n\u003cp\u003eFiber laser welding gives manufacturers a powerful production tool, but safety and compliance matter when adding a laser process to the factory floor. The SFL Series uses a fully enclosed, interlocked work cell designed to support safer operation in production environments.\u003c\/p\u003e\n\u003cdiv style=\"margin: 20px 0 30px; padding: 22px; background: #fff7ef; border: 1px solid rgba(255,130,0,.25); border-radius: 10px;\"\u003e\n\u003cp style=\"margin: 0 0 10px; font-weight: bold; font-size: 18px;\"\u003eBuilt for industrial laser safety planning\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eThe SFL Series features a fully enclosed Class 1 work cell and an FDA 21 CFR 1040.10 (CDRH) compliant enclosure. This helps de-risk implementation for manufacturers evaluating an enclosed fiber laser welding system for battery module production.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWhat the SFL Series Is Designed to Weld\u003c\/h2\u003e\n\u003cp\u003eThe SFL Series is engineered for the materials and connection types commonly found in today’s battery systems. Compatible materials include copper, nickel, aluminum, steel, stainless steel, carbon steel, nickel-plated copper, copper clad, clad battery tabs, titanium, and dissimilar-metal combinations.\u003c\/p\u003e\n\u003cp\u003eTypical battery applications include cylindrical cell modules such as 18650 and 21700 formats, prismatic cell modules, battery tab welding, copper tab welding, nickel-plated copper tab welding, busbar-to-terminal welding, cell-to-busbar welding, battery module assembly, battery pack manufacturing, energy storage system production, aerospace battery manufacturing, and UAV battery production.\u003c\/p\u003e\n\u003cp\u003eThe ability to weld copper and dissimilar-metal combinations is especially important as manufacturers move toward higher-current battery architectures designed to improve electrical performance.\u003c\/p\u003e\n\u003cdiv style=\"margin: 30px 0; padding: 22px; background: #f7f7f7; border-radius: 10px;\"\u003e\n\u003ch3 style=\"margin: 0 0 12px;\"\u003eCommon SFL Series Capabilities\u003c\/h3\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 12px;\"\u003e\n\u003cdiv style=\"flex: 1 1 220px; border: 1px solid rgba(0,0,0,.08); border-radius: 8px; background: #fff; padding: 14px;\"\u003e\n\u003cp style=\"margin: 0 0 6px; font-weight: bold;\"\u003eBattery Module Assembly\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eCylindrical cell modules, prismatic cell assemblies, busbar-to-terminal connections, cell housing seam welds, and ESS module production.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 220px; border: 1px solid rgba(0,0,0,.08); border-radius: 8px; background: #fff; padding: 14px;\"\u003e\n\u003cp style=\"margin: 0 0 6px; font-weight: bold;\"\u003eMulti-Material Joining\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eCopper to copper, nickel to nickel, nickel-plated copper tabs, copper-clad battery tabs, and dissimilar metal combinations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 220px; border: 1px solid rgba(0,0,0,.08); border-radius: 8px; background: #fff; padding: 14px;\"\u003e\n\u003cp style=\"margin: 0 0 6px; font-weight: bold;\"\u003eProduction Flexibility\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eLaser welding, laser surface cleaning, laser cutting, and custom weld pattern programming in one enclosed work cell.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWhy Battery Manufacturers Choose Fiber Laser Welding\u003c\/h2\u003e\n\u003cp\u003eAs battery technologies evolve, manufacturers are working with more challenging material combinations, higher current requirements, and more complex interconnect designs. Fiber laser welding offers a precise, automation-ready process for these demands.\u003c\/p\u003e\n\u003cp\u003eBecause fiber laser welding delivers concentrated energy directly where it is needed, it can help minimize thermal impact on surrounding materials. That matters in battery production because cells and interconnects can be sensitive to excessive heat exposure.\u003c\/p\u003e\n\u003cp\u003eLaser welding is also a non-contact process. Unlike electrode-based welding methods, the laser does not physically contact the workpiece. This eliminates electrode wear, reduces maintenance related to electrode contact, and helps protect delicate battery components from mechanical stress.\u003c\/p\u003e\n\u003cp\u003eFor production environments, speed and consistency are critical. Battery packs may require hundreds or thousands of welds per assembly, so the welding process must support automated throughput without sacrificing repeatability. Fiber laser welding integrates naturally into automated manufacturing environments, supporting scalable production from pilot programs to full-scale manufacturing.\u003c\/p\u003e\n\u003cfigure style=\"margin: 30px auto 34px; max-width: 620px; text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/4107\/0641\/files\/image_2_1.png?v=1781908771\" alt=\"Two blue cylindrical battery cells with welded connections on top\" loading=\"lazy\" style=\"display: block; width: 100%; height: auto; border-radius: 10px; border: 1px solid rgba(0,0,0,.08);\"\u003e\n\u003cfigcaption style=\"margin-top: 10px; color: #555; font-size: 14px; line-height: 1.45;\"\u003eExample cylindrical battery cell welding showing welded connections on the top of the cells.\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003ch2\u003eBuilt for Production Battery Welding\u003c\/h2\u003e\n\u003cp\u003eThe SFL Series combines a fully enclosed work cell with advanced motion control to support efficient production workflows. A large 1000 × 800 mm working area accommodates battery modules, fixtures, and production assemblies of varying sizes.\u003c\/p\u003e\n\u003cp\u003eThe system integrates X-axis linear motion with 2-axis galvo scanning, allowing high-speed pattern welding across large work areas while maintaining precise laser positioning. Continuous and modulation operating modes allow manufacturers to optimize welding parameters for different materials, thicknesses, and battery designs.\u003c\/p\u003e\n\u003cp\u003eThe enclosed welding environment supports safe operation while helping protect the process from external influences that can affect weld consistency. This production-ready design reduces the complexity of sourcing a laser, enclosure, motion platform, programming workflow, and support separately.\u003c\/p\u003e\n\u003ch2\u003eA Faster Path to Battery Production\u003c\/h2\u003e\n\u003cp\u003eMany battery welding systems fall into one of two categories: low-cost imports that may create support and implementation concerns, or high-end OEM systems that may require longer deployment timelines and larger capital investment.\u003c\/p\u003e\n\u003cp\u003eThe SFL Series is positioned between those extremes. It gives manufacturers a fully integrated fiber laser welding cell with practical deployment, industrial capability, and U.S.-based support.\u003c\/p\u003e\n\u003cp\u003eFor teams that need to move quickly, the SFL Series provides a faster, lower-risk path to battery welding capability compared with building a custom system from scratch.\u003c\/p\u003e\n\u003cfigure style=\"margin: 30px auto 34px; max-width: 820px; text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/4107\/0641\/files\/image_1_1.png?v=1781908771\" alt=\"Cylindrical battery cells welded into paired connections for battery module assembly\" loading=\"lazy\" style=\"display: block; width: 100%; height: auto; border-radius: 10px; border: 1px solid rgba(0,0,0,.08);\"\u003e\n\u003cfigcaption style=\"margin-top: 10px; color: #555; font-size: 14px; line-height: 1.45;\"\u003eExample battery module welding with cylindrical cells joined in paired connections.\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003cdiv style=\"margin: 34px 0; padding: 26px 22px; background: #f5f5f5; border-radius: 10px; text-align: center;\"\u003e\n\u003cp style=\"margin: 0 0 12px; font-size: 22px; line-height: 1.3;\"\u003e\u003cstrong\u003eNeed to validate your battery welding application?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 18px;\"\u003eTalk with Sunstone® about your materials, tab design, busbar geometry, site readiness, production goals, and weld quality requirements.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 12px;\"\u003e\u003ca href=\"https:\/\/www.sunstonewelders.com\/pages\/request-a-quote?utm_source=sfl-series-fiber-laser-welding-cell-product\u0026amp;utm_medium=button\u0026amp;utm_campaign=lead-gen\u0026amp;utm_content=talk-to-application-engineer-mid\u0026amp;product_name=SFL%20Series%20Fiber%20Laser%20Welding%20Cell\u0026amp;product_url=https%3A%2F%2Fwww.sunstonewelders.com%2Fproducts%2Fsfl-series-fiber-laser-welding-cell\u0026amp;product_handle=sfl-series-fiber-laser-welding-cell\u0026amp;product_sku=SFL%20Series\" style=\"display: inline-block; width: 290px; box-sizing: border-box; text-align: center; background: #FF8200; color: #ffffff; text-decoration: none; padding: 12px 20px; border-radius: 6px; font-weight: 600; border: 2px solid #FF8200;\"\u003eTalk to an Application Engineer\u003c\/a\u003e\u003c\/div\u003e\n\u003cp style=\"margin: 14px 0 0; font-size: 15px;\"\u003e\u003ca href=\"https:\/\/www.sunstonewelders.com\/pages\/request-a-quote?utm_source=sfl-series-fiber-laser-welding-cell-product\u0026amp;utm_medium=text-link\u0026amp;utm_campaign=lead-gen\u0026amp;utm_content=request-a-quote-mid\u0026amp;product_name=SFL%20Series%20Fiber%20Laser%20Welding%20Cell\u0026amp;product_url=https%3A%2F%2Fwww.sunstonewelders.com%2Fproducts%2Fsfl-series-fiber-laser-welding-cell\u0026amp;product_handle=sfl-series-fiber-laser-welding-cell\u0026amp;product_sku=SFL%20Series\" style=\"color: #333; text-decoration: underline; text-underline-offset: 3px;\"\u003eRequest a quote\u003c\/a\u003e \u003cspan\u003e · \u003c\/span\u003e \u003ca href=\"https:\/\/www.sunstonewelders.com\/pages\/free-micro-weld-evaluation?utm_source=sfl-series-fiber-laser-welding-cell-product\u0026amp;utm_medium=text-link\u0026amp;utm_campaign=lead-gen\u0026amp;utm_content=send-sample-parts-mid\u0026amp;product_name=SFL%20Series%20Fiber%20Laser%20Welding%20Cell\u0026amp;product_url=https%3A%2F%2Fwww.sunstonewelders.com%2Fproducts%2Fsfl-series-fiber-laser-welding-cell\u0026amp;product_handle=sfl-series-fiber-laser-welding-cell\u0026amp;product_sku=SFL%20Series\" style=\"color: #333; text-decoration: underline; text-underline-offset: 3px;\"\u003eSend sample parts\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eWeld, Clean, and Cut in One Enclosed Work Cell\u003c\/h2\u003e\n\u003cp\u003eThe SFL Series supports welding, laser surface cleaning, and laser cutting operations in one enclosed work cell. For manufacturers working with battery modules or metal assemblies, this 3-in-1 capability can support multiple process needs within one enclosed platform.\u003c\/p\u003e\n\u003cp\u003eThe system is also designed for custom weld pattern programming, making it adaptable to different part geometries, battery module layouts, and production requirements.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose Sunstone®?\u003c\/h2\u003e\n\u003cp\u003eSuccessful battery welding requires more than laser power. Material behavior, fixturing, motion control, process development, and weld validation all contribute to manufacturing success.\u003c\/p\u003e\n\u003cp\u003eSunstone® works directly with customers to evaluate applications, develop welding processes, test materials, optimize production parameters, and scale from prototype to production. Our application engineering team helps manufacturers identify the best welding strategy for their specific battery design, material stack, and production goals.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 14px; margin: 22px 0 30px;\"\u003e\n\u003cdiv style=\"flex: 1 1 240px; border: 1px solid rgba(0,0,0,.1); border-radius: 10px; padding: 18px; background: #fff;\"\u003e\n\u003cp style=\"margin: 0 0 8px; font-weight: bold;\"\u003eProduction-Ready Cell\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eA fully integrated welding cell designed to reduce the need for a custom integration project.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 240px; border: 1px solid rgba(0,0,0,.1); border-radius: 10px; padding: 18px; background: #fff;\"\u003e\n\u003cp style=\"margin: 0 0 8px; font-weight: bold;\"\u003eU.S.-Based Support\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eEngineering and service support from Spanish Fork, Utah.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 240px; border: 1px solid rgba(0,0,0,.1); border-radius: 10px; padding: 18px; background: #fff;\"\u003e\n\u003cp style=\"margin: 0 0 8px; font-weight: bold;\"\u003eRapid Deployment\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eA practical path to production battery welding capability without building a custom system from scratch.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 240px; border: 1px solid rgba(0,0,0,.1); border-radius: 10px; padding: 18px; background: #fff;\"\u003e\n\u003cp style=\"margin: 0 0 8px; font-weight: bold;\"\u003eApplication-Specific Configuration\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eConfigured around your cell type, tabs, busbar geometry, material stack, and production requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eAdditional Precision Laser Applications\u003c\/h2\u003e\n\u003cp\u003eThe SFL Series is battery-first by design, but the enclosed fiber laser platform can also support select precision welding and processing applications beyond EV and energy storage battery production.\u003c\/p\u003e\n\u003cp\u003ePotential applications include aerospace assemblies, medical device components, electronic interconnects, sensor manufacturing, precision metal fabrication, research and development applications, and advanced manufacturing programs. These should be evaluated based on the material, part geometry, production requirements, and process goals.\u003c\/p\u003e\n\u003ch2\u003eNot Sure If the SFL Series Is Right for Your Battery Welding Application?\u003c\/h2\u003e\n\u003cp\u003eBattery welding requirements vary by material, cell type, tab design, busbar geometry, and production volume. The right system depends on the joint, part design, materials, fixture strategy, and weld quality requirements.\u003c\/p\u003e\n\u003cp\u003eIf you are evaluating fiber laser welding for battery modules, cell assemblies, copper tabs, nickel tabs, busbar connections, or multi-material joining, Sunstone® can help review your application and recommend the best configuration.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions About the SFL Series\u003c\/h2\u003e\n\u003cdiv style=\"margin: 18px 0 0; border-top: 1px solid #ddd;\"\u003e\n\u003cdetails style=\"border-bottom: 1px solid #ddd; padding: 0;\"\u003e\n\u003csummary style=\"cursor: pointer; padding: 16px 0; font-weight: bold; font-size: 18px; line-height: 1.35; color: #222;\"\u003eWhat is the SFL Series?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 0 0 16px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003eThe SFL Series is a fully integrated fiber laser welding cell designed for EV battery module production, high-current battery assemblies, multi-material joining, and general metal fabrication.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border-bottom: 1px solid #ddd; padding: 0;\"\u003e\n\u003csummary style=\"cursor: pointer; padding: 16px 0; font-weight: bold; font-size: 18px; line-height: 1.35; color: #222;\"\u003eWhat battery applications is the SFL Series designed for?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 0 0 16px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003eThe SFL Series is designed for cylindrical cell modules, including 18650 and 21700 assemblies, prismatic cell assemblies, battery tab welding, copper tab welding, nickel-plated copper tab welding, busbar-to-terminal welding, cell-to-busbar welding, ESS module production, aerospace battery manufacturing, UAV battery production, and battery pack manufacturing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border-bottom: 1px solid #ddd; padding: 0;\"\u003e\n\u003csummary style=\"cursor: pointer; padding: 16px 0; font-weight: bold; font-size: 18px; line-height: 1.35; color: #222;\"\u003eWhat materials can the SFL Series weld?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 0 0 16px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003eCompatible materials include copper, nickel, aluminum, steel, stainless steel, carbon steel, nickel-plated copper, copper clad, clad battery tabs, titanium, and dissimilar-metal combinations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border-bottom: 1px solid #ddd; padding: 0;\"\u003e\n\u003csummary style=\"cursor: pointer; padding: 16px 0; font-weight: bold; font-size: 18px; line-height: 1.35; color: #222;\"\u003eWhat is the difference between the SFL 1500 and SFL 3000?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 0 0 16px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003eThe SFL 1500 provides 1500 watts of fiber laser power and is well suited for pilot production, battery development programs, moderate-volume manufacturing, tab welding, and module assembly. The SFL 3000 provides 3000 watts of fiber laser power for high-volume manufacturing, large battery modules, copper busbar welding, demanding production environments, and maximum throughput requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border-bottom: 1px solid #ddd; padding: 0;\"\u003e\n\u003csummary style=\"cursor: pointer; padding: 16px 0; font-weight: bold; font-size: 18px; line-height: 1.35; color: #222;\"\u003eIs the SFL Series only for EV battery welding?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 0 0 16px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003eNo. The SFL Series is optimized for battery manufacturing, but it can also support select aerospace assemblies, medical device components, electronic interconnects, sensor manufacturing, precision metal fabrication, research and development applications, and advanced manufacturing programs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border-bottom: 1px solid #ddd; padding: 0;\"\u003e\n\u003csummary style=\"cursor: pointer; padding: 16px 0; font-weight: bold; font-size: 18px; line-height: 1.35; color: #222;\"\u003eIs the SFL Series production-ready?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 0 0 16px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003eYes. The SFL Series is designed as a production-ready, fully integrated welding cell. It is built to reduce the complexity of sourcing the laser, enclosure, motion platform, programming workflow, and support separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border-bottom: 1px solid #ddd; padding: 0;\"\u003e\n\u003csummary style=\"cursor: pointer; padding: 16px 0; font-weight: bold; font-size: 18px; line-height: 1.35; color: #222;\"\u003eDoes the SFL Series require shielding gas or compressed air?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 0 0 16px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003eYes. Shielding gas, either N2 or argon, and compressed air are required for operation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border-bottom: 1px solid #ddd; padding: 0;\"\u003e\n\u003csummary style=\"cursor: pointer; padding: 16px 0; font-weight: bold; font-size: 18px; line-height: 1.35; color: #222;\"\u003eWhat support does Sunstone® provide?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 0 0 16px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003eSunstone® provides U.S.-based engineering and service support from Spanish Fork, Utah, along with application evaluation, process development, material testing, production parameter optimization, and support for scaling from prototype to production.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003ch2\u003e\u003c\/h2\u003e\n\u003ch2\u003eReady to Discuss Your Application?\u003c\/h2\u003e\n\u003cp\u003eWhether you are developing a next-generation battery architecture or scaling an existing production line, the Sunstone® SFL Series Fiber Laser Welding Cell provides the precision, flexibility, and automation capabilities needed for modern battery manufacturing.\u003c\/p\u003e\n\u003cdiv style=\"margin: 34px 0 0; padding: 26px 22px; background: #f5f5f5; border-radius: 10px; text-align: center;\"\u003e\n\u003cp style=\"margin: 0 0 12px; font-size: 22px; line-height: 1.3;\"\u003e\u003cstrong\u003eTalk with Sunstone® about your battery welding application.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 18px;\"\u003eReview your materials, cell type, tab design, busbar geometry, production goals, facility requirements, and weld quality expectations with an application engineer.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 12px;\"\u003e\u003ca href=\"https:\/\/www.sunstonewelders.com\/pages\/request-a-quote?utm_source=sfl-series-fiber-laser-welding-cell-product\u0026amp;utm_medium=button\u0026amp;utm_campaign=lead-gen\u0026amp;utm_content=talk-to-application-engineer-bottom\u0026amp;product_name=SFL%20Series%20Fiber%20Laser%20Welding%20Cell\u0026amp;product_url=https%3A%2F%2Fwww.sunstonewelders.com%2Fproducts%2Fsfl-series-fiber-laser-welding-cell\u0026amp;product_handle=sfl-series-fiber-laser-welding-cell\u0026amp;product_sku=SFL%20Series\" style=\"display: inline-block; width: 290px; box-sizing: border-box; text-align: center; background: #FF8200; color: #ffffff; text-decoration: none; padding: 12px 20px; border-radius: 6px; font-weight: 600; border: 2px solid #FF8200;\"\u003eTalk to an Application Engineer\u003c\/a\u003e\u003c\/div\u003e\n\u003cp style=\"margin: 14px 0 0; font-size: 15px;\"\u003e\u003ca href=\"https:\/\/www.sunstonewelders.com\/pages\/request-a-quote?utm_source=sfl-series-fiber-laser-welding-cell-product\u0026amp;utm_medium=text-link\u0026amp;utm_campaign=lead-gen\u0026amp;utm_content=request-a-quote-bottom\u0026amp;product_name=SFL%20Series%20Fiber%20Laser%20Welding%20Cell\u0026amp;product_url=https%3A%2F%2Fwww.sunstonewelders.com%2Fproducts%2Fsfl-series-fiber-laser-welding-cell\u0026amp;product_handle=sfl-series-fiber-laser-welding-cell\u0026amp;product_sku=SFL%20Series\" style=\"color: #333; text-decoration: underline; text-underline-offset: 3px;\"\u003eRequest a quote\u003c\/a\u003e \u003cspan\u003e · \u003c\/span\u003e \u003ca href=\"https:\/\/www.sunstonewelders.com\/pages\/free-micro-weld-evaluation?utm_source=sfl-series-fiber-laser-welding-cell-product\u0026amp;utm_medium=text-link\u0026amp;utm_campaign=lead-gen\u0026amp;utm_content=send-sample-parts-bottom\u0026amp;product_name=SFL%20Series%20Fiber%20Laser%20Welding%20Cell\u0026amp;product_url=https%3A%2F%2Fwww.sunstonewelders.com%2Fproducts%2Fsfl-series-fiber-laser-welding-cell\u0026amp;product_handle=sfl-series-fiber-laser-welding-cell\u0026amp;product_sku=SFL%20Series\" style=\"color: #333; text-decoration: underline; text-underline-offset: 3px;\"\u003eSend sample parts\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sunstone Welders","offers":[{"title":"Default Title","offer_id":54670476935473,"sku":null,"price":150000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/4107\/0641\/files\/SFLSeriesFiberLaserWeldingCell.png?v=1781903918"}],"url":"https:\/\/www.sunstonewelders.com\/es\/collections\/fiber-laser-welders.oembed","provider":"Sunstone Welders","version":"1.0","type":"link"}