An enlarged laptop, tablet or smartphone battery caused by gas building up when the electrolyte that separates the layers within the battery starts to degrade. Evident when the back of the phone ...

Your car’s battery is essential for powering everything from starting the engine to running your headlights and electronics.

Try to avoid doing anything that would physically damage the battery, like dropping it or getting it very wet. Look for signs that the case is bulging – it's a clear sign that something has gone ...

“If the battery is more than three to five years old, isn’t holding a charge, or has visible signs of damage like bulging or corrosion, it’s time to replace it.” You can change a car ...