Battery type: Li-ion; Capacity: 4400mAh; Cells: 6-cell; Voltage: 11.1V.
Compatible Models: LENOVO ThinkPad Edge E420 / E425 / E520 / / ThinkPad SL410 / SL510 / SL510 / T410 / T420 / T510 / T520 / W510 / W520
Compatible Part Numbers : 42T4235 42T4708 42T4714 42T4733 42T4756 42T4764 42T4798 42T4803 42T4819 42T4848 42T4911 51J0499 57Y4185 57Y4545 ASM 42T4703 42T4752 42T4794 42T4702
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, 4400mah): 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.