In today's video I want to show you how to make a super powerful power bank 110/220V that allows you to use almost any electrical device no matter where you are! We used 18650 batteries, auto inverter ...

Your power banks's capacity won’t neatly map onto your charging needs, but finding the right size doesn’t have to be ...

Most laptops' average battery life is about six to eight hours on a full charge, but some models are just built differently. For instance, the MacBook Pro M4 has been tested to provide up to 24 hours ...