ExpertPower&nbsp;5200mAh dual USB output Power Bank External Battery charger for iPhone 3g 4/4s 5/5s/5c Samsung S S2 S3 S4 HTC One X etc. Brand New | Li-Polymer cell | 5600 mAh TWO OUTPUTS (MINI AND USB), TWO INPUTS (MICRO AND USB) 30 Days Money Back / 90 Days Manufacturers warranty 7 (L) x 2.25 (W) x 6.5 (H) cm