Jeff Wright
Member
- Joined
- Jul 30, 2016
- Messages
- 10
Hi guys and gals, I've been running a 75 ah AGM battery in my ATC bobcat. I've got an isolator and 100 watt solar panel. Normally I have enough juice for what I need but lately I've been doing more winter camping and the fan from the furnace running much of the night seems to suck more power than I'm used to (also lower and less sun in the winter is a factor as well).
I was contemplating buying another 75ah battery when a friend just gave me a year old 100wh AGM. I've heard running two different capacities in parallel is bad for at least one of the batteries. I'm sure I could get one of these selector switches to select which one is being charged/discharged:
https://www.amazon.com/Attwood-4-Way-Battery-Selector-Switch/dp/B0000AZ7X6/ref=sr_1_9?ie=UTF8&qid=1515089459&sr=8-9&keywords=battery+selector+switch
But I'd really like to run them in parallel and just not worry about switching back and forth to charge and discharge one at a time. How much damage would I do?
Thanks!
I was contemplating buying another 75ah battery when a friend just gave me a year old 100wh AGM. I've heard running two different capacities in parallel is bad for at least one of the batteries. I'm sure I could get one of these selector switches to select which one is being charged/discharged:
https://www.amazon.com/Attwood-4-Way-Battery-Selector-Switch/dp/B0000AZ7X6/ref=sr_1_9?ie=UTF8&qid=1515089459&sr=8-9&keywords=battery+selector+switch
But I'd really like to run them in parallel and just not worry about switching back and forth to charge and discharge one at a time. How much damage would I do?
Thanks!