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Discussion in 'Power - Site Power/Batteries/Generators/Solar' started by Nanapoppypops, May 20, 2019.
What's the best size fuse for your 12 volt battery
Usually 30 amp, sometimes 20 amp, some have a re-setable fuse
30amp auto resetting.
As said above, 30 amp fuse or 30 amp circuit breaker. Either are available from any auto parts store. And with a fuse, bigger is not better
I use a 20 amp and haven't had a problem yet, but everything connected to it combined doesn't draw 20 amps. The 3 way fridge is wired directly to the battery with it's own 15 amp inline fuse, it draws between 9 and 10 amps.
40A if you have a F/C PUP with Barker power lift.
max fuse size usually depends on wire size.