It can be stressful!
7V 18650 battery/ 52g Input: DC 5V 500mA Output: 5.2 pounds Included in the box: 1 x Power Bank (2600mAh)1 x USB Cable for Charging1 x Instruction Manual Warranty : 1 years parts-and-labor warranty provided by Global Phoenix. Recharge your device simply by connecting the power cable to the unit and put the USB end into the power bank.0 inches (L) Weight: 0.