This is a brand new 9 cell ThinkPad X220 X220i premium grade replacement battery. This battery provides twice the capacity of the original 4 cell battery. The superior South Korean cells inside the battery cartridge will provide longer run times between charges as well as a longer service life than cheaper batteries. In addition, Li-ion batteries are not subject to the memory effect common with older battery technology. This means you can recharge your laptop any time without diminishing your battery capacity. This laptop battery replacement is typically superior to the original battery and is 100% compatible with your Lenovo X220 X220i notebook computer. The battery is individually tested before shipment and backed by 30 day complete satisfaction guarantee and a 2 Year warranty.
You can expect about 3 hours to 5 hours of run time with this computer battery when new, depending on your energy use. If you are looking for even
longer battery run times, check out our extended run battery for your Lenovo X220 X220i laptop. The higher capacity battery cells inside this cartridge have an
energy capacity of 7800 mAh. This battery will be compatible with batteries rated at 4400 & 4800 mAh capacities while providing up to 20% more run time.
This battery replaces the Lenovo ThinkPad X220 and X220i laptops. Although this is the same cartridge as the 44+ cartridge used in the X230 family, the electronics inside the cartridge are different and 29+ batteries cannot be used in the X230 family.