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Gareth Branwyn is a freelance 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 to Boing Boing, Wink Books, and Wink Fun. And he has a new best-of writing collection and “lazy man’s memoir,” called Borg Like Me.
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For anyone that hasn’t seen a high power pack explolde or flame-up because of a short circuit/improper charging/damage…
Please, wear eye protection, work away from flammables, have a proper chemical type fire extinguisher handy, have a steel can with a lit nearby to dump ‘mistakes’into.
Modern Ni-Cads, Li-Ion, and NMh batteries have tremendous energy storage capacities. Improper use WILL cause injury, damage, and fires, along with loss of eyebrows, dignity, pride, workbench tops, and permission from the wife to do projects on the kitchen table.
(steel can with LID) – typo caused by not enough coffee.
Agreed on the safety precautions. On a related note, since these packs use A123 cells, here’s some safety-related info on their site.