MC0383W Features 4200mAh large capacity Specially designed for HTC One Max T6/8060/8088 Comes with stand function Quickly and effectively solves the low power problem for your device while on-the-go Compact size for ease of carrying A must-have item for travel and going on business General Specs Type Backup Battery Capacity 4200mAh Input 5V 400~500mAh Output 5V 800mAh  Charging Time 4 hours Life span 500 times Compatibility HTC One Max T6/8060/8088 Package Details Weight: 200.09 g Size: 24*12.4*2.2 cm