Here are tips on how to improve your Surface's battery life: 1) Install updates, 2) Change Power mode setting, 3) Change Battery settings, 4) Run Troubleshooter, 5) Close apps you're not using. This article gives tips to get more life out of your battery charge

For more tips like this, check out the working remotely playlist at . Also, if you need any further assistance then you can raise a support ticket and get it addressed.