New Mac Battery Drain Issue

Hey MacM2late,

We'd be happy to help out. It's very unlikely there's any kind of hardware issue since this is a brand new MacBook Air. It's also not unexpected for battery life to be slightly less than expected just after setting up your Mac or after updating it. It can take up to 72 hours for your Mac to adjust to the new software, as well as finish syncing new data over to it. If things haven't improved though, the following resource may help out: Batteries - Maximizing Performance - Apple

As mentioned earlier, it's very unlikely there's a hardware issue, but you can also check out the following resource for more info on determining it's current condition: Check the condition of your Mac notebook’s battery - Apple Support

We hope things have improved since you posted this, however if not, don't hesitate to let us know and hope the above information helps out as well.

Take care!

There are multiple reasons that cause the Mac battery draining fast issue. However, to fix the problem, you can try the below fixes:

1. Restart your Mac

2. Install latest macOS updates

3. Check battery usage in System Preferences

4. Reset PRAM/NVRAM and SMC

5. Turn off Power Nap

Hope this will help you resolve the issue!