FEATURES
 Standard Raspberry Pi extension interface, compatible with other expansion boards
 Support 2A maximum current output, suitable for more Raspberry Pi applications
 Auto switching of charge/recharge path, designed to against power-down
 On-board 5 LEDs for showing the batteries’ status
 On-board Maxim fuel gauge IC
 Support reading battery information via I2C communication
 Lithium battery charge/discharge protection and over-heating protection
 Anti-backflow mainboard power source