Battery life is terrible on my Galaxy S3! Need help ASAP! - Android Forums at AndroidCentral.com
How to Reduce Battery Drain on Your Samsung Galaxy S3 by Fixing Android System Usage « Samsung Galaxy S3 :: Gadget Hacks
I am returning my Galaxy Z Flip 3, due to it having horrible battery life! Coming from the S21 Ultra, the 3,000 mAh battery is just awful! The screenshot below is from
Mugen Extended Samsung Galaxy S3 Battery & Back Cover 4600mAh - White
Extend battery life - Samsung Galaxy S3 mini - Android 4.1 - Device Guides
Extend battery life - Samsung Galaxy S3 mini - Android 4.1 - Device Guides