C-001 Smart Charger Battery Activation Board For Phone 5S-12 Pro Max Charging Plate Support 1A 2A 3A Charge No Need Disassemble. Features: 1. Support 1 A3 A input and output charging. 2. Indicator: red working indicator, blue full indicator. 3. Conversion efficiency: 3 A95,2 A97, 1 A 98 above 4. Fast charging speed, the full voltage of 4.15 V. Automatic power- off blue light lights up, charging automatically turns on the red light when detecting battery voltage. 5. Small product size, easy to detachable battery charging activation.