diy solar

diy solar

a gallon of gas vs an 4s 300ah battery

John Frum

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Joined
Nov 30, 2019
Messages
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This is a pretty good example of an entry level inverter generator.

Gas Tank Size1.1 Gallons

Run Time11.5 Hours at 25% Rated Load

Weight39.0 ~50 pounds with fuel and oil

1700 watts * .25 rated load * 11.1 hours = 4717.5 watt hours

4s 300ah battery
300 amp hours * 3.2 nominal volts * 4 cells * .85 conversion factor = 3264 watt hours
~50 pounds

pros:
no noise
no maintenance
>5,000 hours service lifetime vs ~1000 hours service lifetime for generator

cons:
slightly less capacity
2 hours to re-charge to vs 10 minutes to refuel for generator
 
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