Battery for Lenovo ThinkPad X220 X220i X220s / 11.1V 4400mAh

This Green Cell Laptop Battery 42T4861 42T4940 is compatible with the Lenovo ThinkPad X220 X220i X220s models. Green Cell's premium lithium-ion technology and 4400mAh capacity in the battery ensure high strength, efficiency and long working hours. The battery communicates well with the laptop and provides complete information about charging time and remaining battery life. Modern control electronics provide protection against excessive charging, excessive heat and short circuits. The battery capacity decreases very slowly and even after 300 charges, it still retains sufficient battery capacity. The aesthetic black cover is made of ABS plastic that offers excellent physical resistance and protects electronic circuits and sensitive cells. This product comes with a 12 month warranty with a 30 day return policy.