1. Indication: charging and discharging state;
2. Mono Crystalline to make sure of photoelectric transformation above 16%;
3. With 7pcs super bright leds;
4. Charging time for the Lithium polymer battery inside using the solar panel:10-12hours
2. Mono Crystalline to make sure of photoelectric transformation above 16%;
3. With 7pcs super bright leds;
4. Charging time for the Lithium polymer battery inside using the solar panel:10-12hours