Best-selling PW35 Portable Wireless Lithium-Ion Plastic Welding Gun Long battery life Equipped with a high-capacity 4000mAh battery, the device can perform continuous welding for 450 to 650 times on a full charge, with an extremely long battery life. Temperature control protection Built-in circuit temperature control protection mechanism, ensuring your use is worry-free LED lighting lamp Even in dimly lit or complex nighttime scenes, these can be easilyhandled by using LED light beads, which offer high brightness and lowpower consumption.