... ---1000mA; Output: 5V-1000ma 3.Size: 57*75*23mm Portable power bank 4400mAh 5V 1A mobile phone Yoobao YB-621 Specification ... for YB-621Device Type:power bank, Model:YB621Capacity: 4400mAhWeight:127gVolume:57*75*23mmInput: 5V---1000mA ... —1000mA (MAX)Standard: GB 4706.18-2005The features for the power bank YB-621 Compatible with iPhone, iPad, ipod, Samsung, Nokia ...