To do so, go to Start>Control Panel>Power Option>(choose) Balanced (Recommended). If unnecessary, don’t use Bluetooth or WiFi.Don’t use unnecessary USB peripherals, such as speaker, keyboard, portable hard drive etc.Reduce monitor brightness as much as possible.While using your laptop, whenever possible, try to use the electricity line as power source: How to extend a Surface Laplaptops battery working time?

It is show clearly this battery can fit my machine model.( Not Necessary ).

It can compatible MICROSOFT Surface Laporiginal battery.

The same out put volt as my original battery.My original MICROSOFT Surface Lapbattery is most the same as the picture.It's a standard-looking black box, but as far as USB docks go, it's excellent value.How can i sure this Surface Lapbattery is the correct one ? You don't even surrender the USB-C port, either, since it gives it back to you. Not only is the SD4820P a little more affordable, but it has standard display outputs so that you won't need any new cables or adapters. There's also a Kensington lock slot if you like to be extra secure. It's jam-packed with ports, including USB-A 3.0, USB-C, two DisplayPort, HDMI, a 3.5mm audio jack, and Ethernet. The Kensington SD4820P offers up to 60W of charging back to your device to keep it topped up, plus you get support for up to two 4K external displays (albeit only at 30hz) if you're setting up at home or in the office. Luckily, there are a lot of great Surface Pro docks and docking stations available. The lack of Thunderbolt 3 on the Surface Laptop 3 is a bit of a disappointment, but as it has a USB-C port, you can connect up an alternative dock and save a bit of money. Source: Kensington (Image credit: Source: Kensington)Īs good as the Surface Dock 2 is, though, it's also quite pricey.

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