Sony PCGA-BP2S replacement laptop battery by Amstron is made from the highest quality cells and parts. Amstron provides reliable, high performance replacement batteries for your Sony laptops. The LSO-12 is designed to be 100% manufacturer compatible with Sony OEM part numbers PCGA-BP2S and PCGA-BP2S/HI. This precision-engineered battery is designed for use in the Sony Vaio PCG-SR, PCG-SRX, PCG-VX, and other series of Sony notebooks. • Chemistry: Li-Ion • Rating: 11.1Volts 3200mAh • Dimensions: 8 x 1.8 x 0.8 • color: gray • Full 1 year warranty