Specification: Product name: Upgrade Version USB (Universal Serial Bus) Li-ion Battery Charging Module Board Input voltage: 5 V Maximum charging current: 1000 m A Charge cut-off voltage: 4.2 V + /
- 1% Battery overcharge protection voltage: 2.5 VBattery over-current protection current: 3 AInput interface: Micro USBDimension: 2.6 x 1.7 cm
Features: Input port with micro USB (Universal Serial Bus) female, can directly use mobile charger for input to the lithium battery, & still retain the input voltage wiring solder joints, can be very convenient. Connect the battery to B + B -, insert mobile phone charger to the USB (Universal Serial Bus) Female then red light is charging & green is fully charged. Package included:1 x Upgrade Version USB (Universal Serial Bus) Li-ion Battery Charging Module Board