Handheld spot welders in comparison

5000mAh Power Bank Function This spot welder built-in 5000mAh rechargeable batteries, can be fully charged within 2 hours. The spot welder for 18650 batteries supports use while charging, and maintain the battery level at 50% every time, to achieve the best welding effect. Type C input interface design, USB output, fast charging function, output current 2.4A, can be used as a power bank and a spot welding machine in one

Battery spot welder comes with 2x spot weld pen of good conductivity and low contact resistance, capable of soldering and desoldering, easy to replace the tip

HIGH QUALITY The portable manual spot welding machine is well-made and has passed overcharge protection, safety temperature control protection, load detection, short circuit detection and protection. 6 levels of adjustable output power, 1-6-1 cycle, more precise welding.

Ergonomic handle design, one-handed operation, convenient to use. Have multiple cooling holes to cool the temperature when using the pen.

4. Double-pulse output, one-handed grip, easy to use

Pocket-sized mini spot welder Kerpu mini-size battery spot welder CP01. only half the size of other spot welders, easy to carry. designed for welding nickel strips of cylindrical batteries, NI-MH batteries,18650 nickel-cadmium batteries, etc. built-in 5000mAh rechargeable batteries, you can spot welding your battery anywhere anytime.package included complete accessories, it's a great gift idea for fathers, husbands, male friends, and DIY enthusiasts.

Material Suitable for long-term work and improve work efficiency, made of thick brass rods.

All-in-One Design for Ultimate Convenience Fully integrated power supply and welding pen eliminate the need for external accessories. Ergonomic one-hand operation makes it ideal for both home workshops and on-the-go repairs

Integrated Design Unlike traditional spot welding, the handheld spot welding pen combines a 2200mAh high capacity Li-ion battery with a welding pen to make operation easier and more convenient. It supports dual-pulse welding and can easily handle 0.3mm nickel-plated steel plates.

The handle has double springs to expand and contract, and each soldering pen is independently expandable, with moderate force control

Thicken Copper Bar 18650 battery spot welder pen, and the heat dissipation is fast. suitable for long term work, improve work efficiency, made of thick brass bar.

UNIQUE DESIGN Handle of the industrial welding tool adopts a double spring telescopic design, both of which can be expanded and retracted independently, with moderate force control, and there will be no sparks caused by weak welding.