... your power back with Sunwith universal power bank.: Public mobile phone charging station ♦Capacity:2200mAh; ♦Circle time: ≥500 times;♦Output :DC ... Lithium-Ion cell ♦Applicable to: iPhone, iPad, other brand mobile phone, camera, MP3, MP4, DV, PSP ect digital device ♦You can ... power-off after 30 seconds. 2200mAh portable type and fashionable public mobile phone charging station