Here is the Universal External Laptop Battery that basically works with every brand of notebook PC on the market, except Apple. Based on lithium-polymer battery with 6600 mAh capacity, the Universal External Laptop Battery promises uninterrupted power of up to 4 hours or more for most laptops.
To charge the universal battery, simply connect it to a laptop AC adapter using one of the 7 power adapter included. Then you can connect the battery to your notebook with 7 power tips and a 30-inch cable.
Universal External Laptop Battery is priced at $149.
