How can I find out the battery for my 2017 MacBook Air?

Hi,

OWC and Amazon carry the battery for 2017 MacBook Air.

https://eshop.macsales.com/item/NewerTech/BAP13MBA60/

https://www.amazon.com/A1377-A1405-A1496-Battery-Compatible/dp/B083QYY3QV/ref=sr_1_1?dchild=1&keywords=battery+for+MacBook+Air+2017&qid=1618890532&s=computers-intl-ship&sr=1-1

Also your local Apple Authorized Service Provider would replace the battery.

Apple - Find Locations - Location Selector

An example of replacement batteries from OWC supplier:

NewerTech Batteries for 13-inch MacBook Air 2010-2017

NewerTech 60Watt-Hour Battery

MacBook Air (13-inch Mid 2017)

(June 2017)

Model ID: MacBookAir7,2

1.8GHz i5, 2.2GHz i7

Detailed specs

Install Videos

Includes:

• (1) NuPower Lithium Polymer Battery for MacBook Air 13" (2010-2017)
• (1) Pentalobe P5 driver
• (1) Torx T5 driver
• (1) Installation guide
• 1 Year Newer Technology Limited Warranty

Other examples of replacement parts also available.

https://eshop.macsales.com/upgrades/macbookair7-2

https://eshop.macsales.com/upgrades/macbook-air-13-inch-mid-2017-2.2-ghz/battery-and-power

[owc is reputable source of replacements & upgrade parts for macs.]