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source from canada: http://canada-battery.org/laptop-batteries/toshiba-pa3331u-1brs.htm
Cheap Toshiba pa3331u-1brs Compatible Battery Overview
Maximize your toshiba pa3331u-1brs battery life for more games, videos, music, and photo viewing without having to plug in your AC adapter. A rechargeable replacement toshiba battery for pa3331u-1brs doubles your notebook's capacity compared with the power you get from other pa3331u-1brs battery.
TOSHIBA PA3331U-1BRS replacement battery designed specifically for your TOSHIBA notebook & laptop device. Designed with performance and reliability in mind, this rechargeable pa3331u-1brs battery improves run time and battery life while providing protection to the powered device
How to maintain your TOSHIBA PA3331U-1BRS battery?
Dirty battery connector is usually the leading factor that result in some main problems of toshiba pa3331u-1brs laptop batteries and pa3331u-1brs chargers. After using the TOSHIBA laptop battery, try to use a clean, soft and dry cloth to clean the metal connectors of your battery.
How to store your TOSHIBA PA3331U-1BRS batteries?
It is highly recommended to place the toshiba pa3331u-1brs notebook battery in a cool and dry condition. The pa3331u-1brs battery life will be decreased if the toshiba pa3331u-1brs battery is being placed around magnetic field such as television. Keep it away from metal objects to avoid short circuit.