Weltool UB22-19 (22430) High Drain 1900mAh USB Rechargeable Lithium ion Battery

The traditional Li-ion battery with protective plate is the nickel plate connection method for the negative protection circuit, while the Weltool UB22-19 uses the built-in protection circuit in the battery positive technology, the steel shell is riveted and integrated with the battery core, effectively avoiding short circuit caused by collision or wear and so on. and will not increase the battery diameter, and it does not increase the battery diameter.     The Type-C USB charging interface is set in the positive protection circuit. It can be connected to the USB charging cable to connect the 5V adapter to charge the battery directly, or the USB interface of the computer with high current output. It can also be connected to the mobile power source to charge the battery. You can also put the battery into the  charger in the Charging; there is a charging indicator on the battery to indicate the charging status.     Selected 22430 Li-ion battery cells, low internal resistance, high capacit