Cell phones for communication, navigation, photography, and evening entertainment, to headlamps, satellite communicators, and more — we rely on battery-powered devices. They make us efficient, comfortable, and keep us safe. What do they have in common? They need to be charged. Not all batteries/power products are created equal. Garrett Aida, CEO of Dark Energy, gets us learned up on backcountry power, what makes a good battery, best practices for care, runs us through his product suite, and teases a few products we can keep our eyes out for.