This is a genuine Lenovo 57++ battery for the ThinkPad T440P T540P L540 L540P and W540 models. Additional compatible ThinkPad models and Lenovo 57++ battery part numbers are listed below. Don't see yours? Go to our Lenovo ThinkPad battery page for the full list.
This Lenovo 57++ battery features the Lenovo's genuine lithium-ion cells and will typically last 5 hours on a full charge. This battery will be slightly larger than the original battery and will protrude slightly from the rear. Here you can find the 6 cell standard size Lenovo 57 battery.
This Genuine Lenovo 57++ battery is 100% compatible with the original Lenovo battery specifications and is individually tested and backed by a 1 Year warranty.
