Onesam 7in1 20000mAh Powerbank OS-W06

1 Year Warranty Built in battery cells with high efficiency large capacity and long life pocket friendly size for easy to carry around. Supports pass through charging so you can charge both your charger and the device simultaneously Double protection design, one for battery one for overcharge current protection and short-circuit protection. Intelligent display of led to indicate the charging status and power levels. Suitable for west digital devices with DC 5VINput, such as tablet pc, smart phone, MP3, MP4, GPS, PSP etc.