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

From a hardware perspective the power bank is fairly open as ... or receive energy to charge its own battery. These ports can also accept energy from a solar panel and have MPPT built in.

Brian is a writer, NABCEP PV associate and outdoor enthusiast living in Denver, Colorado. As a freelancer, Brian has written hundreds of articles to help individuals, businesses and our planet ...

Deutsche Bank and Nuveen Energy Infrastructure Credit partnered on upsizing the credit facility to support a 3.5 GW community ...