Revive your worn out battery with a brand new Dell Precision 7740 battery. This battery also works for the Dell Precision 7530 7730 7540 and 7740. It is also compatible with the NYFJH battery part numbers.
There are two different batteries that may fit your Precision machine. This is the the longer, 11.1 volt, 97 Whr version for 17 inch screen laptop models. For the smaller, 7.6 volt, 64 Whr version of the Precision battery, go to our Dell P7540L 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 Precision 7740 battery contains the highest quality Li-ion cells on the market from Samsung. This Precision 7740 battery is rated at 5200 mAh or 58 Whr. This is the highest rating available for a 6 cell battery pack.