EFOY- generators - are they really that good ? quite & require less batteries ?

Limerick1
Limerick1 Registered Users Posts: 6 ✭
in General Solar Power Topics #1
I have been looking for a generator thats super quite and could charge batteries when there's no sun . They say it will puch out 2.2kw per 10 litres of methol fuel . very low maintance .

Has anybody used one of these ?
They sound to good to be true ( 4- week of energy on 10litres of fuel )

:confused:
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  • BB.
    BB. Super Moderators, Administrators Posts: 33,613 admin
    #2
    Re: EFOY- generators - are they really that good ? quite & require less batteries ?

    Is it 2.2 kW for XX Hours on 10 liters of methanol?

    Or is it 2.2 kWH on 10 liters of methanol?

    Looking around... Ah--those are fuel cells.

    http://www.efoy.com/en/mobile-homes-faqs.html

    And they produce around 0.9 kWH per lter of fuel... That is not bad. A Honda eu2000i will produce around 3-5 kWH per gallon of gasoline. However, note that these are pretty low power devices... Only 2 - 7.5 Amps @ 12 volts of output (depending on model). You will still need a battery bank to provide power for your larger loads and be recharged by the EFOY.

    Check the pricing of the fuel cartridges... I am not sure you can just buy a 5 gallon can of methanol and dump it in.

    -Bill
    Near San Francisco California: 3.5kWatt Grid Tied Solar power system+small backup genset
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