At one month, we would definitely use a car battery charger or maintainer, whether it's in a vehicle or not. A good car ...

So not only will the MH-CD42 charge your lithium-ion cells ... off for when it thinks you’ve finished using it; a feature inherited from its USB battery bank origins. In practice, that means ...

Everything you need to know about fast charging your iPhone, from keeping it clean and cool to choosing the right cables and ...

it is also possible for the phone to discharge faster than a slow charger can top it up. This means your battery slowly depletes, even if it is plugged in. However, you do not have to use Apple ...

Powered by a 6A lithium battery of its own, the 12V smart charger is controlled using a built-in LED display that shows the current, voltage, temperature, battery power, and more in real time.

Battery chargers tend to cost in the region of £20 ... and learn how to jump start your car using a jump starter. Alistair is a freelance automotive and technology journalist.