12V Battery DIY Spot Welding Machine Spot Welding Pen PCB Circuit Board Portable Storage Welding
Couldn't load pickup availability
12V battery portable storage spot welding machine DIY spot welding machine spot welding pen PCB circuit board welding equipment
【specification:】
● Can weld 18650/26650/32650 lithium battery, portable, stable and reliable
● System voltage: 12V-14.6V
● Working current: 90-150A
Recommended battery:
1. 20-45ah lead-acid battery, with good performance and low internal resistance
2. 3.5-5.5ah 45C 3S aviation model lithium battery pack
3. 30-35ah capacity 18650 battery pack
The circuit with a 12V battery will become an energy storage spot welder for welding nickel blocks (such as lithium batteries and nickel-chromium batteries). According to different configurations, the thickness can be about 0.1MM-0.15mm
Portable Spot Welder for 18650/26650/32650 Li-ion Batteries
Advantages: Portable, stable, reliable, and durable.
Requirements:
User must provide a 12V battery for power.
Welding current: 90A~150A (ideal for 0.1mm~0.12mm nickel strips).
Upgraded to auto-trigger welding (no manual button pressing).
Specifications:
● System voltage: 12V-14.6V
● Operating current: 90-150A
Recommended Batteries:
● Lead-acid battery: 20-45Ah, low internal resistance.
● 3S LiPo (RC): 3.5-5.5Ah, ~45C discharge rate.
● 18650 battery pack: 30-35Ah capacity.
Note: Any car-starting-capable battery can power this welder.
Switch Modes (Hold 1.5s to toggle):
Green LED flash: Low-power pulse (every ~3s).
Blue LED flash: Medium-power pulse (every ~3s).
Red LED flash: High-power pulse (every ~3s).
Hold 1.5s again: Power off.
- Express Delivery
- 12 Months Warranty
- 7 Days Easy Replace
-
Vendor:
Fu-labs
-
Type:
Power Welding Tools

- Shipping And Return
Add details on availability, style, or even provide a review.