Replace your worn out laptop battery with a new Lenovo ThinkPad W541 battery.

This battery is compatible with the Lenovo ThinkPad W541 laptop models as well as many other Lenovo models. See below for the complete list of compatible models and part numbers.

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 2 - 3 hours of run time with this ThinkPad W541 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 HP laptop (our .