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Think of it as a Minty Big-Boost. Micah and a buddy are leaving on a cross-country trip and they don’t want their handheld gaming systems to run out of juice along the way, so he put together this battery powerpack using 12 Volt 7 AH Lead-calcium battery. They’re hoping to get some 30 hours of juice out of the thing.

“Luggable” power pack [via lady ada]

Gareth Branwyn

Gareth Branwyn

Gareth Branwyn is a freelancer writer and the former Editorial Director of Maker Media. He is the author or editor of over a dozen books on technology, DIY, and geek culture. He is currently a contributor for Boing Boing and WINK Books. And he has a new best-of writing collection and “lazy man’s memoir,” called Borg Like Me.