Due to international shipping regulations, if your order includes this product, the entire order can only be shipped by airmail and is not eligible for our free expedited shipping promotion.
1. High solar energy convert efficiency: over than 16% 2. Solar energy boards: 5.5V/60mA or 5.5V/70mA 3 .High capacity built-in polymer batter: 600mAh/800mAh 4. Max output voltage: 5.5V 5. Max output current: 500mA 6. To charge the built-in battery using solar energy: 15-20 hours 7. To charge the built-in battery using computer: about 3-5 hours 8. Charging cell phone by the built-in battery for 1-2 hours, the battery would be exhausted. Cell phone can stand by around 24 hours, or keep talking 60-90 min. (Based on various states of the mobile phone) 9. Exposure or USB charging time at least 2 hours (First using)