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Old_Skewler reacted to Mattb4's post in the thread Helping a neighbor with a simple system: need battery replacement advice with
Like.
Just replacing the old worn down batteries will give him more capacity. Chances are he has been running with reduced capacity for years... -
Old_Skewler reacted to seneysolar's post in the thread Helping a neighbor with a simple system: need battery replacement advice with Like.
The SPRE is the solar premium line, they claim to have a coating that reduces sulfation on the plates. Yes they indeed last a long time...
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Old_Skewler reacted to NC_hydro's post in the thread Helping a neighbor with a simple system: need battery replacement advice with Like.
He could go with a heated battery if low temp charging was a concern. I have a 12V LFP LiTime that has built-in heating. It lives in...
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Old_Skewler reacted to Steve777's post in the thread Helping a neighbor with a simple system: need battery replacement advice with Like.
Depending where he is in NYS, the batts may have to deal with significant cold for quite a while (think of the North country). I don't...
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Old_Skewler replied to the thread Helping a neighbor with a simple system: need battery replacement advice.Exactly my initial thoughts. I didnt ask about maintenance but I assume he did something right for those Trojan batteries to last 14...
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Old_Skewler replied to the thread Helping a neighbor with a simple system: need battery replacement advice.I see the confusion: his system is 12V, (2) series and (2) parallel. After an initial research I realized this was the case. I was a...
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Old_Skewler posted the thread Helping a neighbor with a simple system: need battery replacement advice in DIY Solar General Discussion.I have a neighbor with a very basic system solar/battery system. He has (4) Trojan SPRE 06 415 (L16RE-B) Flooded Battery 6V connected in...
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Old_Skewler posted the thread Best Practices for PV Mounted on Roof - Looking for Install Feedback in DIY Solar General Discussion.The array was installed with IronRidge mounting racks. I tried using their "cable management" clips but honestly I couldn't figure out...
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Old_Skewler replied to the thread System Charging Profile Feedback.What should be the charging voltage in order to get meaningful balancing?
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Old_Skewler replied to the thread System Charging Profile Feedback.Yes it does. Here is the Victron breakdown for that same day: Could you expand on why not, considering that you are one of the...
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Below is my typical summer charging profile for my 15 kWh system. After sun is down, we use about 10% of battery capacity and then when...
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Old_Skewler replied to the thread Challenges with charge settings - Schneider and EG4 batteries.I have a similar system and it seems like your charging settings are too high for the EG4 specs. I recommend you read the EG4 specs and...
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Old_Skewler replied to the thread Fine Tuning Victron MPPT to hit Battery 100% SOC: settings recommendations.I don't fully understand what you mean: are you saying that the manufacturer and/or vendor does not provide the correct charging specs...
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Old_Skewler replied to the thread Fine Tuning Victron MPPT to hit Battery 100% SOC: settings recommendations.I've been monitoring them closely, communication with BMS & thru inverter - but no MPPT communication.
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Old_Skewler replied to the thread Fine Tuning Victron MPPT to hit Battery 100% SOC: settings recommendations.(y) (y) I changed to fixed absorption & 4 hours and the settings showing below (55.2V absorption & 45A total charge (~15A per battery)...
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Old_Skewler reacted to Haze's post in the thread Fine Tuning Victron MPPT to hit Battery 100% SOC: settings recommendations with Like.
In that case I’d page @sunshine_eggo … He will definitely know how to figure this out.
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Old_Skewler replied to the thread Fine Tuning Victron MPPT to hit Battery 100% SOC: settings recommendations.I don't have any communication between my Victron and batteries - mine is the basic "Victron 250/70-Tr MPPT ". They do not talk to each...
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Old_Skewler posted the thread Fine Tuning Victron MPPT to hit Battery 100% SOC: settings recommendations in DIY Solar General Discussion.My system currently runs fine but batteries are not getting enough charge to hit 100% SOC. If I run the MPPT at the battery recommended...
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Old_Skewler reacted to sunshine_eggo's post in the thread Possible to Estimate/Calculate Battery Capacity from 1-min interval Data? with Like.
4187.46/.8 = 5234 Wh calculated capacity, 4.5% higher than stated, which is reasonable for a new battery to be higher capacity than...
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Old_Skewler replied to the thread Possible to Estimate/Calculate Battery Capacity from 1-min interval Data?.I've removed the in-between rows but this is what I am getting. Does it makes sense for a 5,000 Wh battery gong from 99% to 19% SOC?
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