I looked at three years of exclusive CNET data of iPhone performance to find out which models hold their charges best.

Enphase’s new off-grid solar + battery system lets homeowners live fully off the grid with solar, storage, and a generator.

If you're in the market for a leaf blower, Amazon's bestseller is affordable, but its battery life is woefully short. These ...

Lithium battery bags do work, but only to contain fires, not prevent them. For most users, they’re an inexpensive safeguard ...

The study found that an impressive 8 out of 10 of the used EVs tested retained over 90% of their original battery capacity.

Jeff Carlson writes about mobile technology for CNET. He is also the author of dozens of how-to books covering a wide spectrum ranging from Apple devices and cameras to photo editing software and ...

The Anker Prime Power Bank (26k, 300W) isn't larger than prior versions of Anker's flagship portable battery, but it ups the ...

DeWalt's reusable batteries do best when stored in dry and cool places. Make sure to also keep them out of direct sunlight ...