Unless you really want to make alcohol find out what voltage the mower runs on and get a small 2nd battery. Then you can get some extra cable and a switch mount the 2nd battery run the cables to the switch then back to the original power connection. You now have a reserve battery that is there when you need it just by flipping a switch.
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I move at the speed of awesome.
"It's not rocket surgery!" -MetroMPG
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