![iPhone 13 Pro Max sets record in smartphone battery stress test, with almost ten hours of continuous use - 9to5Mac iPhone 13 Pro Max sets record in smartphone battery stress test, with almost ten hours of continuous use - 9to5Mac](https://9to5mac.com/wp-content/uploads/sites/6/2021/09/iphone-13-battery-test.jpg?quality=82&strip=all)
iPhone 13 Pro Max sets record in smartphone battery stress test, with almost ten hours of continuous use - 9to5Mac
![DEWALT 20-Volt Max 4-Pack 2 Amp-Hour; 4 Amp-Hour Lithium Power Tool Battery in the Power Tool Batteries & Chargers department at Lowes.com DEWALT 20-Volt Max 4-Pack 2 Amp-Hour; 4 Amp-Hour Lithium Power Tool Battery in the Power Tool Batteries & Chargers department at Lowes.com](http://mobileimages.lowes.com/productimages/999fe794-bb8c-4189-bad0-3a19aadc3632/16885049.jpg)
DEWALT 20-Volt Max 4-Pack 2 Amp-Hour; 4 Amp-Hour Lithium Power Tool Battery in the Power Tool Batteries & Chargers department at Lowes.com
![What Is An Ampere Hour Rating (Amp Hour or Ah) Of A Battery? - News about Energy Storage, Batteries, Climate Change and the Environment What Is An Ampere Hour Rating (Amp Hour or Ah) Of A Battery? - News about Energy Storage, Batteries, Climate Change and the Environment](http://www.upsbatterycenter.com/blog/wp-content/uploads/2014/04/APC-Battery.jpg)