Performing these steps provides a good way to get an up-to-date idea of how long your laptop can last on a full charge. You should see a new entry in the Battery usage section which reveals how long the laptop lasted (under whatever workload you gave it) on a full charge. Once it's off, connect it to power again, let it charge up until you can turn it back on, then generate another battery report using the process outlined above. Now charge your laptop up to full power and disconnect it from the charger, start your test of choice, and let the laptop run until it shuts off automatically. Alternatively, you could mute the laptop and set it to play a 24-hour-long YouTube video, or launch into a game and leave it running all day.Ĥ. Ideally you should just use it as you normally would all day, until the battery runs out, but this might not be practical - especially if your laptop still lasts 8+ hours on a single charge. Now come up with a plan of how you're going to use the laptop continuously until it shuts off. These are important because they estimate the difference between your laptop's battery capacity now and when it was brand-new.Īt Full Charge active time is an estimate of how long your laptop's battery can last based on its current capacity, whereas At Design Capacity is an estimate of how long your laptop's battery could have lasted when it was fresh from the factory.ģ. The most important things to pay attention to are the numbers under the Active heading: these are estimates of how long your battery would have lasted based on your laptop usage, formatted as hours, minutes, seconds.Īlso, note that there are two columns of Active battery life estimates: At Full Charge and At Design Capacity.
Keep in mind that these are imperfect auto-generated estimates, so you're likely to see some strange math or confusing figures as you scroll down the list, especially if you've used the laptop erratically recently or have left it unused for long periods of time. There, you'll see estimates of how long your battery should last, based on how you've been using it in the past. The quickest way to get a handle on how long your laptop's battery can last is to skip down to the Battery life estimates section of your newly-created battery report.
BATTERY HEALTH VS. BATTERY HEALTH 2 HOW TO
How to check laptop battery health: What to look for Once you have a copy of your Windows laptop's battery report, you should have all the information you need to diagnose the battery health of your laptop.
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