The PA5107U-1BRS Battery is a laptop accessory designed specifically for Toshiba Satellite models. With a high battery capacity of 2838mAh and a voltage of 14.4V, this Li-Ion battery is compatible with various Toshiba Satellite P50, P55, L50, L55, S55t, and P55 L45D models. Made in China, this black battery features 4 battery cells and is a reliable replacement for your old or worn-out laptop battery, ensuring extended usage and performance for your device.