Specification: _x005f_x000D_ Origin: Mainland China _x005f_x000D_ Type: Module _x005f_x000D_ Condition: New _x005f_x000D_ Input voltage range: 5~6V _x005f_x000D_ Output voltage: 4.2V _x005f_x000D_ Charging current: 1A _x005f_x000D_ Size: 20*14*4MM/0.79x0.55x0.16inch _x005f_x000D_ _x005f_x000D_ Product Features: _x005f_x000D_ Small size _x005f_x000D_ Supports Type-C interface power supply and is compatible with most PD fast charging heads _x005f_x000D_ 1A high current linear charging _x005f_x000D_ With protective board function _x005f_x000D_ _x005f_x000D_ Features:   _x005f_x000D_ When the charging current drops to 100mA after reaching the final float voltage, the charging cycle will be automatically terminated. _x005f_x000D_ When the battery voltage drops below 4.05V (roughly corresponding to 80% to 90% of battery capacity), the charging cycle begins again. _x005f_x000D_ When the battery voltage is lower than 2.9V, the battery will be precharged with a current of 100mA. _x005f_x000D_ With protection board, over-voltage protection, over-discharge protection, and over-current protection. Over-discharge protection value: 2.4V; over-current protection value: 4A. _x005f_x000D_ For first time use, you need to connect the power supply to activate the protection board. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1 x Lithium Battery Charging Panel Small size Supports Type-C interface power supply and is compatible with most PD fast charging heads 1A high current linear charging With protective board function Features: