1, Inside there is a high capacity rechargeable lead-acid free maintain battery 600mAh.
2. Solar or AC charging options.
3, Alternating current:220/50HZ, keep the charging 10 hours. And most charge time should be less than 15 hours.
4, With 10 in one USB cable, can charge for cell phone and so on.
5. When the battery is fully charged, the lamp can be lighted continuously about 8 – 30 hours.