Battery specifications:
Capacity: 5200mAh;
Cells: 6-cell;
Voltage: 10.8V. Compatible models include LENOVO ThinkPad E40, E50, Edge 0578-47B, Edge 14" 05787UJ, d 14" 05787VJ, 14" 05787WJ, Edge 15", E420, E425, E520, L410, L412, L420, L421, L510, L512, L520, SL410 2842, SL410 2874, SL410k 2842, SL510, SL510 2875, T410, T410i, T420, T510, T510i, T520, T520i, W510, and W520.
Compatible part numbers: 42T4235, 42T4708, 42T4714, 42T4733, 42T4756, 42T4764, 42T4798, 42T4803, 42T4819, 42T4848, 42T4911, 51J0499, 57Y4185, 57Y4545, ASM 42T4703, 42T4752, 42T4794, and 42T4702. For a standard 6-cell, 5200mAh battery, operation time is approximately 2 hours. Actual operation time depends on the device's power requirements and usage. UL, CE, FCC, and RoHS certified for safety, with short-circuit, overheat, and overload protection. Grade A cells support fast charging and low power consumption. Built-in circuit protection supports safety and stability. Up to 500 recharge cycles