johncolson
New Member
- Joined
- Dec 24, 2021
- Messages
- 2
What kind of bottleneck does a 200a BMS on each battery create when you have 2 300AH batteries connected in parallel. 12V System.
I need to keep the wife comfy, she does not like the heat, or she might quit RVing with me so I need to design a system that could possible run 2 15000btu ac units at night for around 3 total hours of run time. We hope to boondock most of the time. I will be using a generator during the day to charge the batteries and run the RV. Eventually I will be adding Solar Panels. I believe I may need a 5000 watt inverter/charger for future upgrades or additional batteries if necessary. I know I will have to install a softstart on each ac unit. I thought I had all this figured out until I read an article showing how running a microwave takes about 95 amps to run and will almost trip a 100a BMS. I do not know if this article is correct or not. If I have 2 batteries in parallel each with 200a BMS do they share the amp volume so that if a 200a pull came through it would be treated as a 100a pull by each battery. Thanks for your help.
I need to keep the wife comfy, she does not like the heat, or she might quit RVing with me so I need to design a system that could possible run 2 15000btu ac units at night for around 3 total hours of run time. We hope to boondock most of the time. I will be using a generator during the day to charge the batteries and run the RV. Eventually I will be adding Solar Panels. I believe I may need a 5000 watt inverter/charger for future upgrades or additional batteries if necessary. I know I will have to install a softstart on each ac unit. I thought I had all this figured out until I read an article showing how running a microwave takes about 95 amps to run and will almost trip a 100a BMS. I do not know if this article is correct or not. If I have 2 batteries in parallel each with 200a BMS do they share the amp volume so that if a 200a pull came through it would be treated as a 100a pull by each battery. Thanks for your help.
Last edited: