For a given weight/volume surely a gas canister works out as more energy than a ... | Hacker News

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		ZoFreX on Sept 26, 2013 \| parent \| context \| favorite \| on: FlameStower - USB charger powered by fire For a given weight/volume surely a gas canister works out as more energy than a backup battery?

wtallis on Sept 26, 2013 [–]

Liquid fuels are even better than compressed butane and propane, but whether they beat lithium-ion batteries depends a lot on how efficient the conversion is to electricity.

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