TPE 6 Cell Laptop Battery for Lenovo ThinkPad X220 X220i Series 0A36281 0A36282 0A36283 42T4863 42Y4864 42T4867 42Y4868 42T4873 42Y4874 42T4901 42T4902 42Y4940 [Li-ion 11.1V 5200mAh] Battery type: Li-ion; Capacity: 5200mAh/58Wh; Cells: 6-cell; Voltage: 11.1V. Use the keyboard shortcuts Ctrl+F or -F (Mac) to quickly crosscheck if your requested model is listed in the following Compatible Laptop Model List or Compatible Parts Number List. Up to 500 cycles service life, low self-discharge, no memory effect; Dual IC chips provide protection against short circuit, over-discharge, overcurrent. CE/FCC/RoHS certified for product safety. Grade A Cell ensures fast charging and low power consumption; Operation time for standard batteries(6-Cell, 4400mAh) can reach approx. 2 hours, but the actual operation time depends on how much electricity is required on your device. TPE only deals with brand new premium replacement batteries. We only use the highest quality cells inside the battery pack so you will have a long service life. Our inventory turns rapidly and you will always receive a freshly manufactured battery.