The Sunkko A330+ is a professional battery spot welder ideal for welding lithium battery packs and metal strips with precision. It offers stable power, easy operation, and consistent welding performance for both industrial and DIY applications.
Ensures uniform pressure for consistent welds
Fast and stable energy delivery
Adjustable pulse count (1–9 pulses)
Program welding current, time, and pulse count
Safe and ergonomic control
Stainless steel structure for long-lasting use
Spot welding nickel strips to cells
Precision welding for battery packs
Used in electric vehicle battery manufacturing
For DIY battery pack assembly and repair
Nickel/copper sheet welding for battery modules| Voltage Range | DC 6V max |
| Charge Current | Capacitor charging system (programmable) |
| Discharge Current | Up to 5000–6000A peak |
| Channels | 1 independent welding channel |
| Accuracy | ±1% control on pulse duration |
| Display | Digital LED display with programmable parameters |
| Dimensions | Approx. 40 × 30 × 50 cm |
| Weight | Approx. 55–60 kg |
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