Egoway PA5107U-1BRS Laptop Battery for Toshiba Satellite L55 L55t S55 S55t P55 P55-A5312 S55-A5294 Series [Li-Polymer 14.4V 43Wh/2838mAh] Battery Type: Li-Polymer; Voltage:14.4V; Capacity: 43Wh/2838mAh; 4 Cell. Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability. About 500 recharge cycles over the life of the battery. Overcharger and Discharger Circuit Protection, CE-/FCC-/RoHS-Certified for safety Operation time for batteries: Around 2 hours, the actual operation time will depend on how much electricity is required by the device and how you use it. Warranty: 12 Months warranty, 30 days money return guarantee, 24 x 7 email support.