This is the correct battery for Dell Inspiron 11" laptops with models 3135, 3137, and 3138. There are other models in the Inspiron 11 3000 series that use different batteries. You can find your full model number by checking the model number sticker on the bottom of your laptop. If the sticker is worn off you can also find your model number in Windows 10 by going to the Windows search box and type
System. In the list of search results, look for settings and then select system. Now look for model in the system area.
This Inspiron 11 3137 battery uses the highest quality lithium-ion battery cells and components that charge faster, last longer and weigh less than cheaper, lower quality batteries. Lower quality batteries can wear out in less 100 charges. Our batteries can last up to 500 charge cycles.
All our products carry a full 2 Year warranty and every battery is tested before it ships. We provide a 30 day money back guarantee if you are not completely satisfied. We are so confident in the quality of our batteries, we will pay for any and all shipping expenses if our product fails to perform in the first 30 days you have our battery.