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looks like the battery is DESIGNED to be used in an automobile, so I'm sure it would be fine being charged by your Honda's alternator.
And, I'm sure it would be fine being charged by the solar panel as well. The solar panel is not much amperage really, but I guess every little bit helps.
Lets look at the numbers for a second.
14 volts at 70 amps is 1000 watts.
the solar panel is 100 watts PEAK.
Lets say your car uses 30 amps for computer, fuel pump, and all the stuff normally. That is about 1/2 horsepower.
Lets say your charging system is 50 percent effiicent, so that means you are saving 1 horsepower.
For every hour of driving, that means you are using one horsepower hour, which is 2544 btus of energy. Gasoline has 110,000 btus, engines are about 24 percent efficient.
So, each hour you don't run your alternator you save 1/10 of a gallon of gasoline.
Lets say gasoline is 5 bucks a gallon, so that is 50 cents an hour.
How many hours per year do you drive? Lets say 20,000 miles, averaging 40 miles per hour, that is 500 hours, or 250 bucks per year.
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