Compatible Part Numbers: A31-K56 A32-K56 A41-K56 A42-K56
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.
All DTK 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 .