Solar performance #s
I posted some of this on another board and thought it might interest some seeing there are a lot of solar system installs on rv using folks here. Here are some numbers from the past year. Habit from t...
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For those interested. For not using voltage with LFP as a SoC here are examples from my system with 500ah GBS batteries/ EMS and a Magnum 3000 hybrid inverter. The system is 2 years of continual fulltime use and the past 460 days of boondocking with no hookups only the solar and a honda 2000 generator used for a hold over boost if needed on the third or fourth day of poor weather. The inverter is always on with a 2ah parasitic draw.
These are early morning readings before turning the coffee pot on (0630-0700) SoC and voltage from the Me-Arc display which only shows the voltage as xx.x vdc with 2a draw (inverter). 1%=5ah
32% 12.9
37% 13.0
41% 13.0
42% 13.0
54% 13.0
56% 13.0
58% 13.0
59% 13.0
63% 13.1
69% 13.1
74% 13.1
As can be seen there would be alot guessing used for SoC using voltage.
**13.33vdc is roughly resting voltage at 100%***
Now a couple using the actual display with readings from the EMS display which shows xx.xx vdc.
32% Inverter 12.9 2a, ems display 13.03vdc
74% Inverter 13.1 2a, ems display 13.26vdc
32% microwave/ inverting 12.5 150a after use the EMS display 13.03vdc
74% microwave/ inverting 12.9 150a after use the EMS display 13.17vdc
Example of the displays with 41a being drawn from the norcold fridge, tv charging laptop.
These are early morning readings before turning the coffee pot on (0630-0700) SoC and voltage from the Me-Arc display which only shows the voltage as xx.x vdc with 2a draw (inverter). 1%=5ah
32% 12.9
37% 13.0
41% 13.0
42% 13.0
54% 13.0
56% 13.0
58% 13.0
59% 13.0
63% 13.1
69% 13.1
74% 13.1
As can be seen there would be alot guessing used for SoC using voltage.
**13.33vdc is roughly resting voltage at 100%***
Now a couple using the actual display with readings from the EMS display which shows xx.xx vdc.
32% Inverter 12.9 2a, ems display 13.03vdc
74% Inverter 13.1 2a, ems display 13.26vdc
32% microwave/ inverting 12.5 150a after use the EMS display 13.03vdc
74% microwave/ inverting 12.9 150a after use the EMS display 13.17vdc
Example of the displays with 41a being drawn from the norcold fridge, tv charging laptop.
