Does your Lenovo battery life not last as long as it used to? Get longer battery life and improved performance with a new replacement Lenovo ThinkPad Edge 42T4755 battery.

This battery is compatible with the Lenovo ThinkPad Edge E40, E50, L410, L510, SL410, SL510, T410, T410i, T510,T510i, T520 and W510 laptop models. Additional compatible laptop models and battery part numbers, including 42T4755, 42T4753 and 42T4751, are listed below. Don't see your model or part number? Call our customer support or go to our Lenovo laptop battery page for the full list.

We use the highest quality lithium-ion cells on the market that charge faster and last longer. Each battery is backed by a 2 year warranty 30 day money back guarantee.

You can expect about 3 - 6 hours of run time with this computer battery when new, depending on your energy use. If you would like even longer hours of run time please check out our extended run battery LEN-15XT.