Tekkeon myPower All Plus MP3750, External Laptop Battery with Dual Mode Voltage

Use just one battery to power and charge your portable devices! Most portable devices are often in need of recharging after just 2 to 4 hours of use.

With myPower ALL, you can enjoy hours of extended play time on laptop computers, portable DVD players, camcorders, MP3 players, portable CD players, mobile phones, and other portable consumer electronic products. You carry a single lightweight rechargeable battery for all or most of your portable devices.

MP3750:
myPower ALL Plus MP3750 quickly and easily powers and/or charges laptops and other devices that require input power between 10V and 19V.

This universal rechargeable battery features automatic voltage detection with an option for manual voltage selection to double the life of your laptop battery and other portable devices.

A bonus USB output port enables you to simultaneously charge other small portable devices, like cell phones, iPods and more.