UF20B welding 0.3 nickel-plated — the graduation settings!
18650: 30 positive, 50 negative — tested myself, solid welds with no cold joints, double your battery-pack assembly efficiency! #SpotWelder #BatteryWelding #DIYLiIonBattery #ToolReview #GoodFinds

UF20B Supercapacitor WelderProductsAWithZ