Here is polarmate electronic co ltd, located in hi-tech park Ningbo China, we specialize in variety of rechargeable li-ion battery pack for laptop, digital camera and video

The key features of our products include:
High capacity 4000mah(59.2Wh),6000mah(88.8Wh), 8000mah(118Wh), 10000mah(111Wh)
Can be run over 10 hours and charge quickly about 2.5-6 hours according to the capacity
Ultra light of 720g and little size for 200*112*22mm
Mutual-purpose: can be used in DVD/VCD player and devices which require a 10~21 V supply
No memory effect , may charge at all times without harms
The battery pack is hi-tech product and its value-added is rich , which is common and universal, can be compatible with most of the laptops such as, IBM, DELL, HP, TOSHIBA AND COMPAQ if their rated volts accord with our battery packs’(10-21v), in addition, we offer 9 connectors to match all kinds of devices for free
Our item will become a necessary supplement to the original battery for its advantages, and will represent a significant business opportunity for the company who is willing to open up the potential market.