1 or 2 or both ?

How do you use your battery’s? I have 2 with a battery switch. I run it on 1 battery but the other battery never gets used or charged. Do you use both battery’s? Hooked up at one time? I woul$ love to know your opinion.
 
Two batteries,1000 MCA, hooked up parallel, only switch is engine isolation switch. Use both at same time,charge both at same time.

I know, all eggs in one basket. I’ve had more problems with battery switches than batteries.
 
I had two batteries and every time I went out I would switch them from 1 to 2 and visa versa - Never had a battery problem - But that's me - Other problems YES 🇺🇸 ❤️ 🇺🇸 ❤️ 🇺🇸
 
I don’t like the parallel all the time setup. One battery goes south, could cause the other to fail quick. But my switch has the ability to combine both. I understand switch issues.. always good to have some wrenches in case of switch fail. Depending on setup, type of switch and engine package, damage to charging system can occur if you turn the knob while engine is running.
 
My switch had - 1 - 2 - 0ff and all - Go out today on 1 tomorrow switch it to 2 and start her up - For me it seemed one battery was always charged But that just me 🇺🇸❤️🇺🇸❤️🇺🇸
 
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