... overtime, overheat, overcurrent, short-circuit3. Charge & discharge battery indicator function, easy to use4. Lighting and SOS function 5. ... overtime, overheat, overcurrent, short-circuit3. Charge & discharge battery indicator function, easy to use4. Lighting and SOS function 5. ... voltage2. Lighting and SOS function 3. Charge & discharge battery indicator function, easy to use4. Input: Micro USB/DC5. ...