SpecificationModel: 45N1762,Battery Type: Li-ion; Voltage: 10.8V ; Capacity: 5200MAH.Cells: 6Cell;Color: Black Battery life: Up to 500 recharge cycles over the life of the battery.(Note 1: In order to find the right model, please open the back case of your laptop and check the model number of your original battery.2: Before installing the replacement battery, please read the manual carefully.) Compatible Part NumberFor Lenovo 45N1758, 45N1759, 45N1760, 45N1761, 45N1762, 45N1763, 4X50G59217 Compatible Laptop ModelsFor Lenovo ThinkPad E550,ThinkPad E550c,ThinkPad E555,ThinkPad Edge E550,ThinkPad Edge E550c,ThinkPad Edge E555,ThinkPad E560 Series,ThinkPad E565 Series: E565-00CD E565-0HCD E565-0NCD SecurityEvery one of our replacement notebook batteries are tested to meet OEM specifications.Grade A Li-ion battery cell ensure fast charges; Rigorous quality control; Overcharger and Discharger Circuit Protection, CE-/FCC-/RoHS-Certified for safety. Risk-Free Purchase,12-Month