Following are the Main Features of Dual USB Ports External Battery for Laptops :- 1. High capacity (5800mAh ) for charging your devices 2. Two USB port (A & B port): it can charge  two mobile phone at same time 3. Output current total 2A (A+B port). 4. Easy to charge MP1800R2 by mini USB port. 5. Smart input charging current from 0.5A to 0...

Functions of Laptop Battery Chargers : • This product is a portable charger for high capacity batteries of laptops. • Charge your laptop battery directly, without having to fix the battery to your laptop first. • Suitable for over 95% of laptops in market with the separate connecting wire. • With four LED lights to indicate the charge s...