Recently went through a big stereo upgrade with 3 external amps. For Batteries the shop set me up with this:
120 amp Blue Seas Add a Battery System Battery Switch & Automatic Charging Relay
2 SR29 batteries in 1 bank
1 SR24 battery in 1 bank
ProSport 20 amp dual bank charger
Supra 21v stock alternator
Everything is wired into the 2 SR29 batteries bank, the SR24 is kept entirely in reserve. So if I drain the 2 SR 29 batteries I move the Battery Switch to combine and use the SR24 to start the boat. I recharge the batteries right after the boat is used with the charger.
Is there any advantage to using the SR24 to always start the boat versus the way it is currently wired?
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