A very well ....... 1 month
EasyAcc® 10000mAh External Battery Ultra-Slim Dual USB Ports (output 2.1A / 1.5A) Secour Battery for iPhone iPad Samsung Android Smartphone Tablet PC and Bluetooth Speaker - Black and Orange (Personal Computers) 2
EasyAcc® 10000mAh External Battery Ultra-Slim Dual USB Ports (output 2.1A / 1.5A) Secour Battery for iPhone iPad Samsung Android Smartphone Tablet PC and Bluetooth Speaker - Black and Orange (Personal Computers)
Acquired for a trip, everything worked well at first, multiple refills of the Iphone. No worries. And then after a month despite long loads, battery consumption is a snap. Disappointing.