Re: my dad makes me laugh
You would have to have the power capacity of a welding machine to keep it fully charged. It will charge the batteries no doubt but not enough to keep it going. Your amp draw at startup can reach hundreds of amps, cruise amps can run as high as 75 amps. A small weedwhacker engine simply can't put out those kinds of power levels. You have to put back in what you pull out.
Then there is the economics of it.....it cost's pennies to charge an electric with a battery charger, running gas would cost dollars.
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