Specifications:
Battery Type: Li-ion
Capacity: 56Wh
Voltage:11.1V
Cells: 6-cell
Color: Black

Compatible Models:(use "ctrl+F" to find out your model quickly)
Dell Latitude E6400 Series
Dell Latitude E6400 ATG Series
Dell Latitude E6400 XFR Series
Dell Latitude E6410 Series
Dell Latitude E6410 ATG Series
Dell Latitude E6500 Series
Dell Latitude E6510 Series
Dell Latitude E8400 Series
Dell precision M2400 Series
Dell precision M4400 Series
Dell Precision M4500 Series

Compatible Part Numbers:
312-0748 | 312-0749 | 312-0753 | PT434 | PT435 | PT436 | PT437 | PT650 | PT653 | MP492 | MP494 | NM631 | MN632 | NM633 | KY265 | KY266 | KY268 | KY470 | KY471 | KY477 | FU268 | FU272 | FU274 | FU441 | FU444 | FU571 | MP303 | MP307 | HJ590 | R822G | WG351 | XP394

Note:
1.In order to get a correct battery please kindly double check if your original battery's Voltage and Capacity are the same as ours firstly.
2.If you are not sure,pls contact us by email,we would always be here.
3.For the new battery, we suggest all of our customers fully charge it by AC power adapter.
In order to protect your battery life, you can fully charge it to 100% and drain to 3% ,it's a cycle and the capacity will recover.
it's better to make normal use after 2 cycles and charge the battery regularly at least once a month .