Get longer battery life and improved performance with a new Dell 542WP battery. This 542WP battery is compatible with the Dell Latitude 5340, 5340 2-in-1, 5540, 5440, 3540, 3440, 3340, 5550, 5450, 5350, 3450, and 3550 and Precision 3580, 3480, 3490, 3590 models. It is also compatible with the JTG7N, 542WP, 7RDGP battery part numbers. Additional compatible models and battery part numbers are listed below.

Note: There are a several different batteries for these Dell models. It is important to check the part number on your original battery to see what battery to replace with. This is the 3-cell, 11.4 volt, 42 Whr internal 542WP battery. If your battery uses the GRWKG part number here you can find the Dell GRWKG battery. If your original battery is the external, snap-in flavor here you can find the 6-cell Dell MR90Y battery and the 4-cell Dell XCMRD battery.

This 542WP battery is rated 11.4 volts and 42 Whr and will normally last 6 hours on a full charge.

We use the highest quality lithium-ion batteries that charge faster, last longer, and weigh less than cheaper, lower quality batteries. Lower quality batteries can wear out in as little as 6 months. Our batteries can last up to 5 years.

Each battery is tested, inspected and backed by a 2 year warranty and 30-day money-back guarantee.