This high capacity battery runs 50% longer than the 6 cell original battery. The added cells in this cartridge will protrude to the rear of the laptop about 1 inch. This battery is going to be larger than the original. This brand new Lenovo replacement laptop battery features lithium-ion cells. Li-ion battery technology provides longer run times with less weight. In addition, Li-ion batteries are not subject to the memory effect common with older battery technology. This laptop battery replacement is 100% compatible with the original battery specifications and is individually tested and backed by a 2 Year warranty.

You can expect about 4 - 7 hours of run time with this computer battery when new, depending on your energy use. This battery will be physically larger than your original battery if you prefer the standard size battery click here.

Like all Li-ion primary batteries, your run time will decline over time.

This battery replaces the Lenovo ThinkPad Edge E40, E50, L410, L510, SL410, SL510, T410, T410i, T510, T510i, W510 series laptop batteries and a host more which are listed at the extreme bottom of this web page.

Laptop Battery Express only deals with brand new premium computer batteries. We never carry recycled or used batteries. We only use the highest quality cells inside the battery pack so you will have a long service life (300-500 recharge cycles). We do not use cheaper battery cells which can wear out in a little as 6 months. Our inventory turns rapidly and you will always receive a freshly manufactured battery.