Get longer battery life and improved performance with a new Dell 4JK6R battery from Laptop Battery Express.

This battery replaces the original 4JK6R battery Dell Vostro 3400, 3400n, 3500, 3500n, 3700 and 3700n series laptops. Additional compatible models are listed below.

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 computer battery when new, depending on your energy use.