Your extremities, like your hands and feet, lose body heat pretty quickly, even when not in dire situations. If you’re one of those people who are always rubbing their hands together for warmth (and not nefarious plans) then check out the Kozy Xcel Hand Warmer, the battery shaped hand warmer.
This is a rechargeable hand warmer that can be juiced up over 500 times. There are both high and low settings so you can keep it at a comfortable temperature for your personal chilliness. The cube design, that makes it look a lot like a battery, allows it to fit nicely into your hand.
This little device also doubles as a USB power bank so it can be used to breathe some life back into your smartphone if you find yourself stranded in some icy conditions. There is also a LED flashlight in case help takes too long to arrive and you have to brave the icy wilderness alone. Or just in case something rolls under the couch while you’re hanging out at home. The Kozy Xcel Hand Warmer is $49.97.