These include word processing and spreadsheets, as well as most idle tasks like reading articles. Alongside general web browsing, we also expect this result to closely reflect workloads that include using a single application at a time to run light productivity tasks. This test affects the total battery score the most because we expect it to reflect most people's workloads. Once we power the laptop back on, we record the elapsed time until shutoff that was recorded by the script. We run the test until the laptop dies or goes into emergency shutoff mode. These include, Wikipedia, and NPR, as well as an embedded 6-minute YouTube video that takes up the entire browser window.
#Laptop battery usage monitor Bluetooth
We turn the Wi-Fi on and Bluetooth off and run an automatic script that simulates viewing and scrolling through various web pages. We maximize the application, so it takes up the entire screen, which is different from fullscreening the entire browser using the F11 key. We test how long a fully charged battery lasts during typical web browsing, using the most popular browser for each corresponding OS. We only unplug it once we begin each discharge test. Depending on the workload being tested, we use different settings for each operating system: We keep the laptop plugged in using its included power adapter and ensure it's at 100% battery before performing our tests.
The power mode and other optimizations differ depending on the OS:
We turn off all keyboard and RGB backlighting, mute the speakers, and close all other background apps and processes except those necessary for the laptop to function. For all the battery discharge tests, regardless of the operating system, we set the display to its native resolution and highest available refresh rate, calibrate its brightness to 200cd/m², and set it to never sleep or dim.
We perform all our battery discharge and charge tests in a small, temperature-controlled room set to 22☌ (71.6☏), with a tolerance of ☐.5☌. Some settings remain the same among all our tests, but others have to be changed depending on the workload type and operating system.
#Laptop battery usage monitor full
We run two different types of tests to score how well the battery performs: discharge tests (how long the battery lasts) with different types of workloads, and a charge test (how long it takes the laptop to reach a full charge).
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