I really like this, since I've been on an alternative-charger binge myself.
Pros:
- Extra useful in an emergency, there's almost always something to burn
- Makes good use of waste heat
Cons:
- Actual charge time and efficiency are major concerns
Candle Charger - Emergency Power Generator for Smartphones
I really like this, since I've been on an alternative-charger binge myself.
Pros:
Cons: