Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More |
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Price /Unit | $18.25 | $17.88 | $17.32 | $16.57 | Contact US |
18650 Battery Spot Welder Board Portable Spot Welding Machine Powered By Double Layer Capacitors
Description:
The Spot Welder is suitable for connecting 2 double layer capacitors in series (2.8V + 2.8V), and a single capacity of 3000F or above is recommended. The circuit relies on MCU program for precise control, and it is divided into 3 power levels. Automatically detect the contact resistance of welding pen and trigger automatically. Output via 4pcs 300A power tubes, 0.15 nickel sheet can be welded.
Package Included:
- 1 x Main Circuit Board
- 1 x Buzzer
- 2 x Welder Pen with Wires
- 2 x Input Wires
- 4 x Insert Ears
- 4 x M5 Screws
- 2 x Insulation Heat Shrinkable Tubes
Note:
- Double layer capacitors and charging circuit are not included.
- 2psc 2.8V 3000F capacitors are recommended.
- Charging voltage 5-5.6V and current 2-20A are required.
- Battery is not included in the package.