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Yesterday β€” 14 September 2026Tech

Windows 11 is running hidden tasks that drain your laptop batteryβ€”here's how to stop them

14 September 2026 at 20:00

Your laptop had a full charge at the start of the day, but by noon, you're reaching for the outlet to refill the battery. The battery percentage kept dropping even though you didn’t stream anything or run a demanding task. That’s because Windows 11 isn’t sitting idle while you work. In the background, a quiet parade of apps, services, and sync routines run constantly in the background β€” none of which you ever asked for. The good news is that you can stop most of them.

Leaving your Android phone in a hot car can do more than drain the battery

14 September 2026 at 15:30

No matter where you park or how many precautions you take, cars get incredibly hot, especially when left in direct sunlight. Sometimes, you have no choice but to leave your phone baking in the car, but what happens to its battery while you're gone might make you think twice.

Before yesterdayTech

Here's what happens to your power tool batteries when you leave them in a hot (or cold) garage

9 September 2026 at 10:00

Battery-powered tools are now powerful enough to tackle most jobs, with an ever-growing range of options from impact drivers to nail guns and everything in between. These live in your shed or garage when you’re not using themβ€”but this could be a big mistake.

Rescuing a Rescue Device With a DIY Battery Pack

By: Tom Nardi
3 September 2026 at 07:00

If you find yourself lost in the woods or adrift in the ocean, a GPS-enabled Personal Locator Beacon (PLB) is certainly a handy thing to have as it will pinpoint your location for rescuers. The one [Steve Jernigan] has is relatively affordable considering it might save your life one day, but it turns out that replacement batteries for the unit are extremely expensive and hard to come by because the manufacturer would rather you send the unit back to them for refurbishment. So naturally, he took it apart and figured out how to do it himself.

His DIY battery pack consists of a small custom PCB and pair of off-the-shelf 6 volt lithium manganese dioxide cells in a 3D printed enclosure that slots into the rear of the McMurdo PLB. In assembly video below, [Steve] shows how the pack goes together and demonstrates the use of a two-part potting compound in an effort to keep the elements at bay.

Before anyone says it β€” putting a homemade battery pack into a device which one day might be the only thing standing between you and death is probably not a great idea. [Steve] mentions in the description of this project that this is meant for backup purposes, and that you should really spring for a legitimate battery if there’s a chance you might actually need to be rescued at some point.

If you’re interested in battery pack hacking that doesn’t potentially risk life and limb, fixing the one that came with your cordless drill might be a better project to start with.

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