Both batteries would be used to start the engine both batteries would be charged when the engine was running and both batteries would be used to run the gps autopilot etc. For a typical day sail i would put the battery switch to all and leave it there.
Battery Management Wiring Schematics For Typical Applications
Battery selector switch proper use. At the dockkeep the switch on both to allow both to be charged. The new ones guesthave built in protection from this because so many dipsticks did this to their new boats. My blog the journey of the redneck express cb channel 17 redneck express 1992. Battery selector switch proper use 1. Wally from the boating scene talks about dual manual battery switch set up. Looking for suggestions on quality and durability for battery selector switches that can do individual or both modes and can be flush mounted so that only the dial face plate and knob are visible.
On odd days use battery 1 then use battery 2 on even days. Using only start battery when motoring keeping the other one out of the system in case of charging failure and need. You can use it with dual or single systems. 6008200 m series selector 3 position battery switch black. Ive looked through a few so far on amazon but nothings immediately catching my eye as i would like to replicate the setup coveredwagon did in their unit now that i have a chance to do a proper ground up wiring job. At anchor shift to battery 2 and use for lights etc.
The perko battery switch is usable for boats with two or more batteries. Wally gives good advice that can be followed easily and can save you money in the long term if followed correctly. Over the course of the season youll use both batteries equally. Use only one battery at a time. Its primary job is to permit you to select which battery you want to use for starting and charging or the operation of your other devices. All that voltage with nowhere to go loops back and burns stators etc.
Switches isolated battery banks to all loads or combines battery banks to all loads. For a few hour day sail i would not use enough power to really load either battery. Proper way to use dual battery switch the old ones would blow your charging system up if you switched them while running. Assuming weve spent the same day on the water using battery 1 at the end of the day we can use fully charged battery 2 to start the engine.
Gallery of Battery Selector Switch Proper Use
