new charger

Per the tech specs, that MacBook Air model shipped with a 30W USB-C charger, so most any charger from 30W and up will work.

MacBook Air (M1, 2020) - Technical Specifications

Here’s the Apple 30W charger: 30W USB‑C Power Adapter - Apple

Here’s a dual-port charger: 35W Dual USB-C Port Power Adapter - Apple

adilson52 wrote:

hello, i need help finding a charger for my Mac air

You’ll want to identify which MacBook Air year you have in the left column Mac Compatibility section of the following Apple store webpage:

Macbook air charger - Apple