When you are using the device on battery, try not to go lower than 40%.I use a laptop cooler when I use y Surface Pro 4 extensively. Many cell phones damage batteries when it is used under load (such as playing games) while charging. Heat – high temperature is very bad for batteries in general.There are couple of things you should be aware that negatively impact the Surface battery life.

You will also find the number of life cycles you have consumed on your Surface (see – ‘CYCLE COUNT’ field).ĭepth of discharge seriously impacts number of life cycles as seen here (from ): When you open it, you will see the report with lots of information on the battery usage. Use the file explorer to navigate through to the report file.This will create a file called ‘battery-report.html’ at some location that you need to note down in the Command Prompt.Type ‘ powercfg /batteryreport‘ within the Command Prompt window then.Here’s how you can find out how many life cycles you have consumed so far:

As long as your usage pattern isn’t very harmful for the battery, your device should last well past the lifespan of your device.

Typical modern lithium batteries can last 500 to 1000 life cycles although some claim over 2000! This of course, depends on your usage habit. So if you drained your battery 50% then fully charged twice, that’s one full cycle. Each life cycle is defined as 100% of full capacity. This article focuses on how to take care of your battery so that you can enjoy longer lasting battery even after many years of Surface use. This is not an article to talk about how to make your Surface battery life last longer on each charge – there are plenty of articles written on that topic.Įvery type of rechargeable battery invented by human has a restricted number of life cycles.

Surface pro 8 battery life