Get longer battery life and improved laptop performance with a Sony Vaio PCG 61911W battery. This PCG-61911W battery uses the highest quality lithium-ion cells. Higher quality cells mean a longer running and faster charging battery.

Expected service life for this PCG-61911W battery is 3 - 5 years. Cheaper batteries can wear out in as little as 6 months! (Just read the reviews on the cheap batteries on Amazon and eBay). Our 5200 mAh capacity is much better than the 4400 mAh capacity of the low end batteries.

Each PCG-61911W battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 2 Year warranty.

You can expect about 2 - 3 hours of run time with this Sony PCG 61911W 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.