Our   AWE38 FS Spot Welding Electrodes   is widely used in 18650/26650 e-bike Battery Packs welding. From 0.1mm--0.5mm battery tabs and strips. With good welding effect, smallest welding sparks and firm welding. Battery welding strips thikness from 0.1---1.0mm. F3mm/F6mm welding electrodes.