JX-5 8.4V Rechargeable Bike Light Li-ion Battery Charger - Black
Charge input: 5V 1A Charge Current: 700mA 8.4V; Charging condition: Red indicator flashes when it is in charge (Low power); Blue indicator flashes (Mid power); Green indicator flashes (High power); Green constant light ( Full charge); USB Condition: Output: 5V 2A; Green light: Full power; Blue light: Mid power; Red light: Low power; Red flashes: Power nearly run out