There are plenty of awesome emergency chargers available for iPhone. Solar and hand crank chargers are quite popular. But what if you want to charge your phone using heat from a fire or your coffee? These 5 iPhone chargers have you covered:
BioLite Wood Burning Campstove: this wood burning campstove converts heat from the fire into electricity to charge your gadgets. It is portable and perfect for camping.
The Power Pot Portable Electric Generator: enables you to charge your gadgets anytime. It can charge cell phones, GPS units, smartphones, and more small gadgets. It works over any heat source.
FlameStower: an awesome charger for campers. Just slide it into your fire, and the device does the rest. It uses the heat from the fire to generate energy for your gadgets. It weighs only 10 oz.
ThermaCharge: charges your gadgets from your coffee. It uses thermoelectric technology to generate electricity and recharge USB devices. The battery has a 1,000 mAh li-ion battery to store energy for your gadgets.
Epiphany onE Puck: connects to your phone and charges your phone using the heat coming from your cup.
These chargers use the heat from a fire or coffee cup to charge your smartphone. There are more powerful chargers out there, but these can get you unstuck when you have no other way to generate energy for gadgets.
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