Originally Posted by Greg H
snip......Should I put in a 30 A fuse, as that is the max size stated on the holder?
Welcome to JOF
Yes, there should be a 30amp fuse installed at all times, and carry a spare.
For winter storage it's best to remove the battery and have a battery minder/charger attached to it...., the fuse can remain.
This is what I use: http://www.batterymart.com/p-battery...FVFp7AodEAsAdg