Prices have dropped for batteries that can be used in case of power outages. Here are four consumers might consider.

While these mugs are on their charging coasters, they can maintain their temperature indefinitely and recharge their batteries. You can find some charging bases for rechargeable smart mugs with Qi ...

and what's worse is that you're stuck shelling money out for AA batteries, too. With these charging accessories, though, you can swap over to a rechargeable configuration, saving you cash in the ...