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Forum: Electrical | Charging, Systems, Solar and Generators 12-15-2023, 01:15 AM
Replies: 91
Views: 7,153
Posted By RossWilliams
That math is based on discharging from a fully...

That math is based on discharging from a fully charged battery. The math changes if you compare discharging from a 70% level to 80% and from 40% to 50%. That is closer to how most of us use our...
Forum: Electrical | Charging, Systems, Solar and Generators 08-13-2023, 11:03 PM
Replies: 91
Views: 7,153
Posted By RossWilliams
I think the size of the voltage drop under load...

I think the size of the voltage drop under load depends on the size of your battery bank. We have 8 AGM batteries and haven't seen that problem. Our voltage under load rarely drops below 12 volts.
...
Forum: Electrical | Charging, Systems, Solar and Generators 08-13-2023, 07:10 PM
Replies: 91
Views: 7,153
Posted By RossWilliams
This is exactly what I was suggesting is a...

This is exactly what I was suggesting is a problem with company projections. While the math is correct, it is correct only if you are always discharging from a fully charged battery to 50% or 80%...
Forum: Electrical | Charging, Systems, Solar and Generators 08-13-2023, 04:27 PM
Replies: 91
Views: 7,153
Posted By RossWilliams
I think the takeaways apply to RV batteries in...

I think the takeaways apply to RV batteries in general. Manufacturers provide theoretical numbers based on hypothetical situations. Real life is going to be different. Battery life cycle and AH...
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