The $200 FitBit Versa 4 is now just $149 through Amazon. With over 11,000 five-star reviews and five thousand happy customers over the last month, all three color options are on sale, but you’ll get ...

The Amazon Prime Big Deals Days sale doesn't start until 7 October, but there are already plenty of offers up for grabs in the US and UK .

At the heart of all lithium-ion batteries is a simple reaction: Lithium ions dissolved in an electrolyte solution ...

Majority of electronics, including smartphones, tablets, laptops and toys, are powered by lithium-ion batteries.

Apple's Beats brand has a new set of fitness-focused earbuds available, the Powerbeats Fit. We picked up a set of the ...

Researchers at MIT have made a discovery that could lead to significantly faster-charging electric cars and devices.The breakthrough relates to the fundamental reaction at the core of all lithium-ion ...

People have been obsessed with their iPhone's battery life since day one, and the more metrics and tweaks Apple adds to iOS to delve into what the battery is doing, the worse it has become. Once Apple ...