Quality Battery for Toshiba PA5109U: Our 58Wh premium battery is designed specifically for Toshiba PA5109U. It's an ideal replacement or backup battery for your Toshiba laptop. It's passed UL testing to ensure safety and reliability. This includes the popular Toshiba Satellite C55-A, C875, C855, L75, L855, L875, M840, P845, P855, P875, S855, S875, and many more. It is also a perfect fit for a variety of part numbers, including PABAS272, PABAS271, PABAS273, PA5110U-1BRS, and PA5108U-1BRS. Long Lasting Battery: The PA5109U-1BRS Toshiba Laptop Battery is designed to last more than 3 hours, giving you plenty of time to get work done or enjoy your favorite media without being tethered to a power outlet. The GHU PA5109U-1BRS Laptop Battery is crafted using premium Li-ion cells that deliver high performance and an impressive capacity of 58Wh. It ensures fast charging and durable power, providing over 500 charge and discharge cycles. Fast Charging Feature: Our Toshiba Battery PA51