LB1 High Performance Battery for Toshiba Satellite C655D-S5081, Satellite A665-S6070, fits: PA3816U-1BAS Laptop Notebook Computer PC [6-Cell 10.8V] Battery Type: Li-ion; Capacity: 4400mAh/48Wh; Cells: 6-cell; Voltage: 10.8V. Up to 500 times over life of battery. Premium Grade A cells ensures peak performance and reliability. Operation time depends on the capacity of the battery, laptop settings, power consumption of equipment, and how you use it. CE-/RoHS-/FCC- Certified and Built-in circuit protection ensure both safety and stability. Live Support Mon-Fri 4am-8pm PST | Sat-Sun 8am-5pm PST | 18 Months Hassle-Free Warranty. Compatible with: PA3634U-1BAS / PA3635U-1BAM / PA3635U-1BRM / PA3638U-1BAP / PA3816U-1BAS / PA3816U-1BRS / PABAS117 / PABAS178 / PABAS227 / PABAS228 / PABAS229 / TS-M305 / PA3634U-1BRS