Laptop Battery PATONA for HP Compaq 6530B/6730B, 4400mAh, Li-Ion, 11.1V:Does the battery in your notebook not have a large enough capacity, or is it almost impossible to work without a connection to a power outlet? Do you wish you could buy a new one but the original replacement is just too expensive for you? Then we have the solution for you. Replace the orginal with a high-quality, Patona battery. You wont need to worry because these products are fantastic quality and come with integrated overload and overcharge protection.Key Features of the PATONA Replacement BatteryDesigned for select HP notebook modelsHigh-quality cellsProtection against overload and overchargingWill replace the originalCompatible laptops:HP Compaq 6930p Series, 6500b, 6530b Series, 6535b Series, 6700b, 6730b Series, 6735b Series, HP EliteBook 6930p Series, 8440p Series, 8440w Series, 8530p Series, 8530w Series, HP ProBook 6440b Series, 6445b Series, 6450b, 6540b Series, 6545b Series, 6550b, 6555b