This is a Genuine Fujitsu brand modular bay battery. This battery provides a secondary battery by inserting it in place of your CD player. The addition of this battery in combination with your main battery will allow you to double the battery run time. This brand new Fujitsu 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 1 year warranty.

You can expect about 2 hours to 4 hours of additional run time with this computer battery when new, depending on your energy use.

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

This battery works as an additional battery in these Fujitsu Lifebook models: