Battery typeLi-ion.
Voltage: 11.25V.
Capacity: 90Wh 8000mAh. ^^ Compatible Part NumberL18M6P90 02DL028 5B10W13901 SB10K97664 L18C6P90 02DL029 5B10W13902 SB10K97665. ^^ Replacement For LaptopLenovo ThinkPad P53 Series Notebook. ^^ ConnectorBefore placing your order, Please refer to the picture and check it. Because the products produced by different factories will have differences, such as size, cable length, interface, etc. ^^ Use SkillsIf the new battery is not recognized during the initial installation, please reinstall and check if the interface is fully connected. Discharge the new battery to 5% (not 0%), then charge and cycle 3-4 times to wake up the new battery.