Battery type: Li-ion; Capacity: 2200mAh; Cells: 4-cell; Voltage: 14.4V.
Compatible Models : X450 X550 A450 A550 F450 F550 K550 K450 F552 P450 P550 R409R510 Compatible Part Numbers: A41-X550 A41-X550A A32-X550
Compatible Part Numbers: A41-X550 A41-X550A A32-X550
Operation time for standard batteries(4-cell, 2200mah): Around 1.5 hours, the actual operation time will depend on how much electricity is required by the device and how you use it. 24 x 7 email support, 12-month hassle-free warranty.
All batteries are UL/CE-/FCC-/RoHS certified for safety and packed with a variety of safety features, including short circuit, overheat, and overload protections.Strict guidelines for compatibility, and standards compliance for environment safety.Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability. 100% New from Manufacturer. Up to 500 recharge cycles .