Mycharge AMU44GG Ampplus Rchrgbl 4400mah Bttry

The myCharge AMP PLUS rechargeable 4400mAh battery provides up to 2.5x Extra Battery and the 2 USB ports deliver 2.4 output. It recharges via a built-in USB cord. It has a hyper-charge: ultra-fast charging of your devices; 65% faster than competitors. It also has a Rapid-recharge which means it charges up to 50% faster than competitors including mophie. 1) Smart-sense: ensures complete device compatibility, 2) Power-stay: maintains battery power for up to 1 year, 3) Max-power: maximum power transfer from powerbank (charger) to device, 4) High-density battery: the smallest and lightest powerbank, 5) Safe-cell: provides the highest level of battery safety. Grey.