It'll be fine. Better actually. Deep cycles are better for running lots of electronics, lights & pumps & motors for hours. They are supposed to be discharged and charged over and over again. 
 
Starting batteries are designed to shoot their load in order to crank a big old carbeurated Mercury five times in the hopes that it starts. They really are not supposed to run electric loads for hours. 
 
Your 4 stroke is going to start in a half second every time so you don't need a dedicated starting battery. 
 
The compromise is a Dual Purpose  (DP) battery. I ran a single group 27 DP for the 18 years I had the V20. No battery switch, never put it on a charger except in the spring right before hooking it up. Needed a new one every 5 years... like clockwork 
 
and I was also going to say that 1000cca sounds like a  lot for a 24 DC
		 
		
		
		
		
		
		
			
		
		
		
		
		
			
				  
				
					
						Last edited by SkunkBoat; 03-31-2018 at 06:58 PM.
					
					
				
			
		
		
		
	
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