All DTK products are Certified by CE, FCC for safety. 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 over the life of the battery.
Operation time for standard batteries(6-cell, 4400 mah): Around 2 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.