Get longer battery life and improved laptop performance with a Dell RJ40G battery. This RJ40G battery is compatible with the Dell Latitude 14-5420, Latitude 15-5420, Latitude 15-5520 and Precision 15-3560 and Precision 15-3560 models. It also replaces the RJ40G and 075X16 battery part numbers. Additional compatible models and battery part numbers are listed below.
This Dell RJ40G battery is the 4-cell 63 Whr high-capacity battery for the Latitude 14-5420 models. For the 3-cell 42 Whr capacity battery go to our Dell Wy9DX battery page.
We use only the highest quality lithium-ion cells from Samsung that provide longer run times between charges and longer service life than cheaper batteries. Li-ion batteries are not subject to the memory effect common with older battery technology. This means you can recharge your laptop any time without diminishing your battery capacity.
Each Dell RJ40G Battery is tested and inspected before shipment and backed by 30 day complete satisfaction guarantee and a 2 Year warranty.