Mini Compact Handheld Spot-welding Machine Pulse Adjustable Welders for 0.15mm Pure Nickel Sheet

Features:
Made of quality material, with high hardness, fine wear resistance, anti-broken and practical.
Multi-purpose, adopts gold-plated PCB board, prefect for welding 0.15mm pure nickel sheet.
Compact size, lightweight and portable, perfect for DIY use.
Pulse time adjustable design, you can manual adjust it by the two buttons, press left-button once can increase 0.5ms, press right-button once can reduce 0.5ms.
Adopts high-rate polymer power cell, with a capacity of about 7000mah, the maximum output current of a 70C discharge up is up to 490A.
18W quick-charge design, with green charge indicator light, flash light while recharging, and constant light after fully recharged.
Red thermostat switch, when the temperature is higher than 45℃, the spot welding machine will entering into protection-mode, and the buzzer will give out alarm sound.
Note: It can not be used to welding soft-pack battery.