COOLGO Replacement Battery XCMRD MR90Y 40Wh For Dell Inspiron 14-3421 15-3521 5521 17-3721

Is your Dell Inspiron not holding a charge like it used to?

This COOLGO replacement battery is just what you need.

It's compatible with a ton of models, including the Inspiron 14-3421, 15-3521, 5521, 17-3721, and 5721, plus some Latitudes.

The part numbers are XCMRD and MR90Y.

This battery has a 40Wh capacity (2700mAh) and is a 4-cell Lithium-Ion unit.

It's brand new, black, and made to meet or exceed original specs.

Please note the California Prop 65 warning about chemicals.

If you're on the go and need reliable power, this AC/DC battery will get you back up and running.

Don't stay plugged to the wall—go wireless again!