How Does The iPhone 17's Battery Compare To Other Major Phones?

Apple claims the iPhone 17 offers a major battery upgrade, but here's how it fares against its competitors like the Xiaomi 15 ...
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Chinese Solid-State Battery Breakthrough Powers 800-Mile Range

Chinese automakers have unveiled a new solid-state battery with double the energy density of current models, enabling an ...

We tested the battery life on hundreds of laptops. These 5 refused to die

Need a long-lasting laptop? Here are the longest battery life laptops we've seen in our many years of hands-on testing.
Electronic Design

Understanding the Challenges of Measuring Battery Cell Voltage

Battery cell voltage is the most fundamental measurement made on the cell. While on the surface measuring voltage seems easy, ...

iGarden Pool Cleaner K Pro 150 review: Almost too much of a good thing

The iGarden Pool Cleaner K Pro 150’s battery is so large, it can run for as many as 10 days worth of cleanings between batter ...

We put the best portable power stations to the test. Here's which ones provide the most power

We rigorously tested eight top portable power stations from Jackery, Anker, Bluetti, EcoFlow, and more in our lab to find out which ones are the most efficient.