BoxWave Rejuva Power Pack ZTE Zmax Power Bank - Universal, Portable 2600 mAh Rechargeable Li-ion ZTE Zmax Battery Charger/Power Bank with Backlit Digital LED Power Display and Built In High Output USB Ports (Jet Black) Compact and stylish aluminum design fits perfectly into your pocket, purse, or bag. An essential accessory for long trips, camping/hiking, or any time you won?t have a wall outlet in easy reach Battery powered portable charger with 2600 mAh capacity and 1A output to charge tablets or smartphones. Provides 1 full charge for your smartphone devices, and extends the charge for tablets Bright digital LED display shows remaining percentage of power Charges via standard Micro USB cable (included) Package includes: (1) Rejuva Power Pack External Battery Pack and (1) durable Micro USB to USB 2.0 cable