Key Features Brand : IBM/Lenovo Suitable Model : IdeaPad U510 U31 Internal Battery Part Number : L11L6P01, L11M3P02 Cell Chemistry : Lithium Polymer Voltage : 11.1V Capacity : 4060mAh (45Wh) Number of Cells : 03 Color : Black Backup time : Depends on your consumption and usages. Life cycles : 500 Times Product Condition : Brand new & Original (Real capacity, high quality cells, longer life cycles, convenient to use) Safeguard : Against incorrect voltage, short circuit, internal overheating. Country of origin : Cell origin Korea, further processed in China. Guarantee : 06 Months(180 days) cash back* Note: 1. The first use of the battery, the battery voltage may be too low, you need to recharge the standby 06 to 08 hours before normal use. 2. First of all you should use the original AC adapter in your laptop.
