Homemade ...

If your singular concern is phone battery life and you want to spend as little money as possible, this $20 power bank is your ...

These solar power banks come in five colors, and all are currently on sale. The battery in this charger is a 20,000 mAh lithium-ion model, enough to charge an iPhone four to five times ...

Australia is bracing for more power outages as rare Tropical Cyclone Alfred brings destructive winds and flooding to its east ...

The former Tesla engineers who founded Pila Energy say their battery can make it easier and more affordable for consumers to ...

Lenovo has shown off a proof of concept for a solar-powered ultraslim PC that's practically indistinguishable from any normal laptop.