These chargers are designed to safely top off your battery without frying the car's electronics since they're protected from short circuits, and have no risk of overcharging. Still, avoid using ...

The second-fastest way to charge your iPhone is with Apple's MagSafe charger and a 20-watt power adapter, but for this to ...

What we like: Our top wireless power bank pick. Can charge most phones up to three times. MagSafe wireless charging pad, ...

If nothing happens when you plug your iPhone or Android phone in, try this easy DIY trick before spending any money.

In this comprehensive tutorial, you'll learn how to make a battery charger from scratch! Whether you're a DIY enthusiast or a ...

Conventional power factor correction (PFC) circuits in electric vehicle (EV) battery chargers have the efficiency limitation due to high conduction loss associated with a diode bridge rectifier (DBR) ...

Kickstands: Solar chargers need to be aimed directly at the sun to achieve peak efficiency, with even a slight offset having ...