Whether you use a high-end or budget device, its battery degrades over time. Knowing its status is vital, especially if you plan to trade in or sell your phone. You might also need to check the ...

When your remote control gives up the ghost or your kid’s favorite toy stops working, you’re often faced with the question: Did the batteries die or is the device defective? A dead-simple, wonderfully ...

There's no greater disappointment then getting ready for a night on the town, or packing up your car for a nice trip, and your car battery is dead. Next comes the question: is my car battery at the ...