We test every laptop we review in our testing lab, and of the 100+ laptops we reviewed in 2025 these 10 lasted the longest ...

Laptop batteries, like all batteries, will slowly stop holding their charge. Eventually they'll need to be replaced, though it often takes years for them to reach this state. If your battery has ...

If your laptop’s battery doesn't last nearly as long as it first did out of the box, then it might be time to replace it. The lithium-ion batteries used to power most laptops degrade over time with an ...

If you want a detailed measure of your laptop's battery life, you can simply generate a battery report in Windows. Here's how ...

Lithium Ion batteries brought greatly increased battery life to laptops, but that did come at a cost: the risk of battery fire. As noted by Consumer Reports, a lithium ion laptop battery membrane that ...

There are laptop batteries that can last up to 22 hours like that of a new M3 MacBook Pro, while a few, such as the Panasonic Toughbook 40, could give you 27 hours, according to PC Magazine. On the ...

Even if you’ve got a long-lasting notebook, sometimes you need to preserve every last bit of your laptop’s battery to help it survive the day. And if your laptop’s getting older, its battery life may ...

If your laptop battery isn't charging, first make sure there is no problem with your power adapter and cable. On a modern laptop that charges via USB-C, make sure you're using the right USB-C port.

There are a few things you can do to stretch the battery life of a laptop. But if you want a device that delivers a full day’s work without any fussing around, you’ll want to buy one that offers great ...

Q: Does it harm my laptop battery if I just keep it plugged into my charger all the time? A: Battery life continues to be one of the biggest complaints of laptop users, so understanding what you can ...

The top Windows laptops get a lot of use these days, and thanks to design and technology innovations, they are lasting longer than ever. But the part most likely to wear out in a modern laptop is the ...

Lithium-ion batteries are one of humanity’s greatest inventions. They have already helped us develop portable electronic devices and electric vehicles and are on the verge of conquering the grid ...