Power Bank 4000mAh

Features:
1.Single USB output
2.Three indicator lights: charging red, full charged green and discharging blue.
3.Advanced switch power supply management, proper circuit layout. The static power consumption as low as 20μA
4.Over voltage, over current, over charge, over discharge and short circuit protection.
5.Automatic recognition for charge and discharge.
6.Color: Black, Silver, Red, Blue, Green

Specification:
Battery type: Polymer
Battery level: A
Battery quantity: 1pcs
Capacity: 4000mAh
Product size: 11*55*123mm
Charge mode: CC/CV
Input: DC5V-1A
Output: DC5V-1A
Battery life: >500 times
Product weight: 125g
Material: Aluminum-alloy