With battery packs carrying so much more power than they used to these days, it’s often easy to forget that running out of charge on something like a smartphone can be a big deal, especially when you are out and about.

If that happens in a place or situation where plugging into a wall outlet is impractical or worse, impossible, then getting juice into an iPhone, or any phone for that matter, can be very important indeed. As it turns out, you can do just that, so long as you have a naked flame and the FlameStower USB camping fire charger.

FireStower-USB-Thermo-Charger

Small enough to fold up and fit in a bag, the FlameStower Charger requires nothing more than an open flame, some water and a USB charging cable. The method is simple – put the device in contact with an open flame, fill its reservoir with water, plug the USB cable into the charger and then the device that requires charging and wait. You can even use the flames to cook some barbecue beans while you wait, if you so wish.

Not quite capable of charging anything that needs a huge amount of power, this device could come in useful for someone stranded with no other way of getting power into a smartphone.

“It’s designed to work with any open flame: cooking stoves, camp fires, emergency candles, anything! Once the blade is in a fire, the thermal energy is transferred to the Thermoelectric Generator (TEG). The opposite surface of the TEG is in contact with the water reservoir, (the) hot side gets hot, cold side stays relatively cool, and the temperature difference generates electricity.”

FireStower

It all sounds very complicated, but in reality, usage is pretty simple, indeed. You’re not going to use this method to charge everything you own, but when the aim is just to get a small amount of power into a device, then this could do the trick.

FireStower-Charger-specs

So, if you are an avid camper, this could make a role for itself in your life, that’s for certain.

Buy: FlameStower Charger from Amazon: $99.99

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