The OEM Genuine BPS26 VGP-BPS26A VGP-BPL26 Battery for SONY VAIO CA CB EG Series is a high-quality replacement battery designed specifically for Sony VAIO laptops. With a battery capacity of 59Wh/5300mAh and a voltage of 11.1V, this Li-Ion battery features four battery cells and comes with a manufacturer warranty of 2 years. The black battery is compatible with various Sony VAIO models in the CA, CB, and EG series, making it a reliable and long-lasting power source for your device.