Alex Varga Lagarna Fast Charge 20W Power Bank - 10.000mAha fully charged 10,000mah power bank should charge an iphone 2 3 times from zero to full charge, before needing to be recharged itself. It should charge most modern android phones 1. 5 2 times from zero to full charge. This 20w power bank can charge your phone faster than a standard 10w power bank. Featuring a carbon fibre pattern design, and an led display to help you keep track of how much power is remaining in your power bank. 14 ( l ) x 7 ( w ) x