Automatic, smart battery charger? , part 2
This is a continuation/update of a now two year old post. Thanks to the Raspberry Pi 3b, I have detailed logs per minute of information. Now I have a lengthy menu of graphs to review. This menu ...
Forum Discussion
Good Morning!
Analysis:
The 12.79 over night Volts look good.
Analysis:
Still looking for ABS. This could be bad.
The controllers never were able to raise the battery Volts to the ABS set-point for four days. My personal rule is to charge the batteries no less than once each 7 days. I will explain more below.
Analysis:
The Ahs look good as they are staying above the base load of around 48Ahs daily. Now you see why I posted the NOAA weather info.
Overall Analysis:
The project started out on 5/4 with a high Watt draw to see what I could get out of the solar panels during the draw. The inverter tripped due to low Voltage after about 4KWh were drawn(SWAG). At that point, I decided I might as well track the solar system's progress in recharging the bank. After the trip on 5/4, the solar system accumulated 37.4Ahs.
When I use the term charge, I mean it as taken from the battery's specifications, not some marketing mumble speak, loosey goosey term such as boost or storage that you may find in some charger's specs. This definition of charge also encompasses the one half of one percent rule(.5%) found in the Lifeline manual under paragraph 5.4.
IMHO, the battery has not been charged, neither per my battery's specs, nor met the .5% rule, for four(4) days. I ignore the wonderful over night Volts of 12.79! My batteries are not charged, yet.
HTH;
John
Analysis:
The 12.79 over night Volts look good.
Analysis:
Still looking for ABS. This could be bad.
The controllers never were able to raise the battery Volts to the ABS set-point for four days. My personal rule is to charge the batteries no less than once each 7 days. I will explain more below.
Analysis:
The Ahs look good as they are staying above the base load of around 48Ahs daily. Now you see why I posted the NOAA weather info.
Overall Analysis:
The project started out on 5/4 with a high Watt draw to see what I could get out of the solar panels during the draw. The inverter tripped due to low Voltage after about 4KWh were drawn(SWAG). At that point, I decided I might as well track the solar system's progress in recharging the bank. After the trip on 5/4, the solar system accumulated 37.4Ahs.
When I use the term charge, I mean it as taken from the battery's specifications, not some marketing mumble speak, loosey goosey term such as boost or storage that you may find in some charger's specs. This definition of charge also encompasses the one half of one percent rule(.5%) found in the Lifeline manual under paragraph 5.4.
IMHO, the battery has not been charged, neither per my battery's specs, nor met the .5% rule, for four(4) days. I ignore the wonderful over night Volts of 12.79! My batteries are not charged, yet.
HTH;
John
