40WH XCMRD 14.8V Battery for Dell Inspiron 15 3000 Series Battery 3542 3521 3531 3537 3542 3543 3541 5521 5537 17 3721 3737 17R 5737 5721 14 3421 5421 3437 3443 Latitude 3440 3540 P28F P40F T1G4M

The Ftenlyen laptop battery is a perfect replacement for your old or damaged laptop battery, bringing your device back to life with ease! With a capacity of 40WH XCMRD, this battery provides long-lasting power and ensures that you can work or play without worrying about running out of juice.

The product description provided includes detailed instructions on how to find the correct model number for your laptop, making it easy to order the right replacement battery.

Additionally, Ftenlyen offers a 60-day money-back guarantee and one-year free exchange in case of any defects or issues.

Don't let a dead laptop battery hold you back - get the Ftenlyen laptop battery today and enjoy uninterrupted usage!