Never out of power – new and unique portable fuel cell charger that runs on ordinary water (um …)

[OKIsItJustMe]

3. From the article I linked to…

http://www.onlinetes.com/tes-0311-hydrogen-fuel-cells-sodium-silicide.aspx

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For example, a sodium silicide fuel cell in reasonable production volumes will be 10 times less expensive than alkaline batteries and six times less expensive than disposable lithium batteries, including the cost of the fuel cell. Put another way, in order to buy enough alkaline batteries to charge a cell phone 100 times (800 W-hrs ), a consumer will pay about $967. Lithium batteries are a bit cheaper and will cost about $512 for 100 charges. For a sodium silicide fuel cell, consumers will pay only $89 for 100 uses. Including the cost of the fuel cell, consumers will save nearly $900 by charging their electronics with a sodium silicide fuel cell.

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