1) Pineng using A7 micro control unit for protection on motherboard and batteries

2) Blue backlit LCD Display

3) Smart charging capabilities

4) Dual USB Output with 1A & 2.1A

Description
Input: DC 5V 1A
Output: 5V 1A,5V 2.1A ≥59wh
Built-in battery capacities: 3.7V/20000mAh 74wh
Battery Type: Lithium Battery
Charge retention: >5000hrs
Cycle life of charging: 500 times (1 time = from 0% to 100%)

Specification:
Input: DC 5V 2A Output: 5V 1A,5V 2.1A ≥59wh Built-in battery capacities: 3.7V/20000mAh 74wh Battery Type: Lithium Battery Charge retention: >5000hrs Cycle life of charging: 500 times (1 time = from 0% to 100%) Net Weight: 445g Size: 162.5*79.6*22mm Dual USB output. Built in LED flashlight. It take 14-16 hours to fully recharge when power bank batetry 0%. Compatible for any phone, tablet, MP3, MP4, PSP, GPS, game device, camera and many more (just connect with your USB cable). LED display (display battery percentage, in / out charging status) Intelligent voltage recognition chip automatically detects the voltage. Built in battery protection IC to prevent over charging, over discharging and short circuit.