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8 volt automotive battery in a vehicle within six volt system
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Jon Hagen
Posted 3/29/2017 19:17 (#5931088 - in reply to #5931060)
Subject: RE: 8 volt automotive battery in a vehicle within six volt system



Hagen Brothers farms,Goodrich ND
shoop - 3/29/2017 19:07

6 volt system is boarder line getting it started . I heard putting a 8volt in it will start better and can leave everything else the same.





Depends on what it goes in. If the machine has an actual voltage regulator, it needs to be adjusted to charge an 8 volt battery.
A 6 volt battery needs 7.4 volts to charge, an 8 volt battery needs the generator to put out about 9.5 volts to charge. 9.5 volts is hard on ignition systems and light bulbs designed for 7.5 volts. The old Farmall tractors with a generator cutout and a manual low / high switch to set charge rate, may get by with nothing or possibly a third brush adjustment.

IMHO, if 6volt will not do, your better off going right to a 12V conversion with an alternator.
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