R29 thruster battery size

boaterjoe

Well-known member
Joined
Jan 16, 2017
Messages
81
Fluid Motion Model
C-30 S
Vessel Name
Flying Turtle
I have been told to replace a thruster battery with a start battery (AGM is my choice). What size is best Group 27 or Group 31?
thanks
Flying Turtle
R29 2016
 
My R25SC had one group 31 battery for the thruster and I added a second one to keep up with the demand. The thruster battery also runs the anchor windlass.
I put the extra battery in the small compartment under the port side step and ran two 3 foot battery cables straight back and connected them to the thruster battery .

Ralph
 
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