Get longer battery life and improved performance with a new genuine Sony VGP-BPL18 battery.

This Sony brand VGP BPL18 battery is compatible with the Sony Vaio M and W Series laptops. Additional compatible models and battery part numbers are listed below.

superior Sony cells inside the battery cartridge will provide longer run times between charges as well as a longer service life than cheaper batteries. In addition, Li-ion batteries are not subject to the memory effect common with older battery technology. This means you can recharge your laptop any time without diminishing your battery capacity. The battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 1 year warranty.

You can expect about 2 - 2-1/2 hours of run time with this Sony VGP BPL18 battery when new, depending on your energy use. The higher capacity battery cells inside this cartridge have an energy capacity of 5200 mAh. This battery will be compatible with batteries rated at 4400 & 4800 mAh capacities while providing up to 20% more run time.