Power banks provide reliable backup power for phones, earbuds and other gadgets, making them essential for travel, long days out and emergency charging needs.

This power bank features a 20,000mAh capacity and charges up to 22.5W in total. Now, this speed isn't going to be the fastest ...

There's a lot to love about the conventional lithium-ion batteries we use in our gadgets and electric cars, but they still pose a fire hazard because of the flammable liquid electrolyte inside.