From generators to power stations and portable chargers, find great Prime Day deals on backup essentials to keep devices powered during emergencies.

The Amazon Prime Day 2025 event is LIVE NOW through July 11 with excellent deals on tablets, Fire TV Sticks, Ring & Blink home security, headphones, AirTags, Apple AirPods Pro 2, Apple iPad 11-inch, ...

Are lithium-ion batteries truly a potentially explosive power source? Knowing the different possible ways they can ...

The Amazon Prime Day event is LIVE NOW through July 11 with excellent deals! Read on for a growing list of top buys.

Here's a full tried-and-tested guide to the best handheld vhf radios on the market, and Sam Fortescue's tips on safe communication at sea.

Or if you like a classic battery, this set of 24 lithium AAs has up to a wild 20-year shelf life, and can work in nearly all ...

You always need them when you don’t have them — so grab your batteries, power banks and car jump starters now.

It's a good idea to have a quality car battery charger on hand in case of an emergency. However, they all aren't created ...

Milwaukee is releasing a new battery charger that will save storage space and solve problems you didn't even know you had.

This battery charger is extremely compact and can be thrown into the trunk of your car for easy access. It measures 3.3 inches wide and 2.4 inches high, and weighs just 16 ounces. Although this ...

Alkaline batteries have a more advanced design than zinc-carbon batteries. They utilize a zinc anode, a manganese dioxide cathode, and an alkaline potassium hydroxide electrolyte. This composition ...

I've found the best Prime Day 2025 deals on battery chargers and power banks, from small and portable battery packs to high-capacity chargers.