Jun 21, 2011 
Shenzhen Yutiantang has developed a new type universal portable charger for laptops. This Universal External Lithium Rechargeable Battery Pack can provide power for laptops, digital cameras, digital photo frames, PDAs, cell phones, DVD players.
It is good to have a universal external laptop battery if you own more than one laptop unit and of different brands because owning a universal external laptop battery seems to be the most convenient way to have when you travel as it allows you to use it with any laptop computer unit when your power supply is running out.
This universal External Laptop Battery is designed to give the maximum amount of power in a compact light-weight design. This universal rechargeable battery features a voltage selector, allowing you to easily switch from 12V to 24V. YTT-13500 provides power to your laptop in a similar manner to your laptop AC adapter.
This best quality 13500mAh high capacity external laptop battery is compatible with various laptops only by changing the intelligent cable. This product has small volume, large capacity, easy to carry.
As it can't been used charging and discharging together, when you connect together, it will protect no discharging.
Charging:
1) Use AC adapter connect the selected connecter tip with the original ac adapter of computer, and then insert it into input port of battery pack. Thus, the battery pack is ready for charging.
2) If your laptop battery is full charged or back to home want to stop to use is, then press the button "Enter/off" over 3 second. Then will off.
It can use in car by using car cigarette light DC line.
For sales inquires please contact:
86-0755-33807567 ext: 816
sales02@yutiantang.net.cn
