Replacement Laptop Battery For Dell Inspiron 3421, 15-3521, 17-3721 - 14.8V, 40WH, 4-Cell Li-ion

So, if your Dell laptop isn't holding a charge like it used to, this battery might be just what you need.

It's a generic replacement, but it's brand new and specs out right for a bunch of Dell models—think Inspiron 3421, 15-3521, 17-3721, plus some Latitudes and Vostros.

It's a 14.8V, 40WH, 4-cell Li-ion battery with a 2600 mAh capacity.

Made in China, comes in standard black.

It's compatible with models like the 3421, 5421, 3521, 5521, 3721, and even the MR90Y.

So yeah, if your old one's dead, this'll get you back up and running without spending a ton.