11.10V,4400mAh,Li-ion, Replacement Laptop Battery for LENOVO ThinkPad E40, ThinkPad E50, ThinkPad Edge 0578-47B, ThinkPad Edge 15", ThinkPad Edge E420, ThinkPad Edge E520, ThinkPad L410, ThinkPad L412, ThinkPad L420, ThinkPad L421, ThinkPad L510, ThinkPad L512, ThinkPad L520, ThinkPad T410, ThinkPad T410i, ThinkPad T420, ThinkPad T510, ThinkPad T510i, ThinkPad T520, ThinkPad T520i, ThinkPad W510, ThinkPad W520, LENOVO ThinkPad Edge 14", ThinkPad SL410, ThinkPad SL510 Series, Compatible Part Numbers: 42T4235, 42T4731, 42T4733, 42T4737, 42T4753, 42T4757, 51J0499, 57Y4185, ASM 42T4703, ASM 42T4752, ASM 42T4756, ASM 42T4794, ASM 42T4796, FRU 42T4702, FRU 42T4751, FRU 42T4755, FRU 42T4791, FRU 42T4793, FRU 42T4795, FRU 42T4797, FRU 42T4817, FRU 42T4819 Voltage: 11.10V ///Capacity: 4400mAh Battery Type: Li-ion///Color: Black Dimension: 206.60 x 50.00 x 20.20 mm///Weight: 369.40 g