Get longer battery life with a brand new Dell type CJ18V battery for the Dell Precision 7530 7730 7540 and 7740 series.

This is the larger, 11.1 volt, 97 Whr version of the Precision battery. For the smaller 7.6v version for 17 inch screen laptop models, go to our Dell 5TF10 battery.

We use the highest quality lithium-ion cells that charge faster and last longer. We're so confident in the quality of our laptop batteries that each one is backed by a 2 year warranty and 30 day guarantee.

This Dell CJ18V battery uses the highest quality Li-ion cells on the market from Samsung. This CJ18V battery is rated 7.6 volts and 64 Whr and will normally last 5 hours on a full charge.

You can expect about 5 hours of run time with this Dell CJ18V battery when new, depending on your energy use.