LB1 High Performance Battery for Toshiba Dynabook AX/530LL AX/55A TW/750LS Equium A100 M50 M70 Battery Type: Li-ion; Capacity: 2200mAh/32Wh; Cells: 4-cell; Voltage: 14.4V 100% Brand New from Manufacturer. Rechargeable 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.