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the issue of better performance with parallel when there is shading isn't clear to me - if there are two panels (say 38v, 9amps max) - one in full sun - one in full shade -with parallel one panel will still be sending 9amps @ 37v to controller - no problem; with series will the shaded panel...

Renogy AIO 48V system. Brand new with remote and Bluetooth dongle. Selling because of needing to down grading to 24V system. Shipping extra from Vancouver BC. Or Blaine WA. https://ca.renogy.com/48v-3500w-inverter-charger/ Cbf@cbfraser.ca

progress! 10:05:33.442 -> Done: RRSI= -38dB, IP= 192 . 168 . 001 . 086 10:05:33.442 -> MAC address: 24:0A:C4:C9:78:4C , 10:05:33.489 -> Hostname: Steroids_ESP32 10:05:35.427 -> Got Epoch 10:05:35.427 -> Now is 16:00:07, Date is Wednesday, 31 December 1969 10:05:35.460 -> 10:05:35.460 -> Start...

Sorry switch is 60v 200amp

https://www.amazon.ca/gp/product/B07VQ6G1L8/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

with 188W of solar showing on Victron - inverter running 88W load and 24W of charging still going into batteries - much much better....

I switched from the Renogy AIO 48V to a 24V configuration because of shading at the site. And replaced Renogy AOP with Victron 100/50 SCC and an off brand Amazon inverter (3000W). For the money it looks promising 8W idle load , not the Victron 2000W idle load of 1.7W but very good and...

I'm doing initial testing of a 48V system - 2 Jenko 465W panels in series, Renogy AIO 3500W system, 4 100AH Aolithium 12V batteries. The renogy app shows 200 to 300W PV charging watts (cloudy day so seems reasonable), the Renogy panel is showing .07kW load ( a test light with 60W incandescent...

I found the information I needed - while most site just say power is reduced for panels in series if one is shaded - it usually isn't clear if it is just voltage or amperage or both - this example shows amperage drops right off but voltage not so much - so perhaps enough voltage left to charge...

a few follow up questions: 1) let me make sure I have basic structure correct in main .ino file paste a_libs.Vars.ino that has the include statements paste c_Setup.ino ie void setup() paste s_Scheduler.ino ie void setup() paste all the other ino files getting many redefinition compile...

Thanks very much, I'll work through that and come back if I get stuck...

1) I have already downloaded zip files for 8266 and 32. Paste is perhaps not the best word - I'm trying to understand how to add the .ino modules to the main file "ESP8266_Victron_on_Steroids.ino" which is just a comment header. c_setup.ino is clear ie the Arduino required void setup()...

The Renogy inverter/charger states: For PV to charge 48V battery banks, you will need a minimum PV Voc voltage of 60VDC if 2 50v/11a -panels are in series -in sun no problem but do panels drop voltage in partial shade or amperage or both? If voltage drops below that 60VDC then system would only...

FYI I asked Aolithium for their recommendation for long term storage of their 100Ah 4s 12V batteries in a 2s2P setup where the batteries are unattended for 8 months in temperatures low but mostly above freezing. Leave connected to solar charger or disconnect? - they came back with the...

I have 4 Aolithium 100ahr - 4s - that I intend to use in series for a 48V system. Putting the 1st battery on a charger that claimed LiFePo4 profile, I could see from the Aolithium app and Overkill that the BMS was in balance mode after some time but while the battery now shows 100% the cell...

ah sorry - I'm just use to one monolithic file, didn't realize all the ino files in the directory will be compiled together, let me go work on that

this is very helpful and a great project - the photo shows 4 wires from victron direct port - white as shown in schematic but also yellow, black and red. Could you please explain those and pinouts? I assume black is a necessary ground? thanks

good white TX & black ground - could you please give some guidance on a minimal "Hello World equivalent" data logger - ie just able to handle case V? I can't quite figure out which modules are need - c_setup is clear and config.h - what is needed in void loop() besides menu & serial? thanks...

much better! thanks the ntp aren't defined - configTime(GMT_OFFSET_SEC, DAYLIGHT_OFFSET_SEC, NTP_SERVER); I can add but perhaps you have a preferred location? the LEDs definitions are commented out in Config.h - I'll put them back in but with my setup have to set all to std - blue one

How to reconcile Will's procedure for battery balancing (ignore voltage in YouTube 12V LiFePO4 Battery Series Configuration 101) with my battery manufacturer's (Aolithium) requirement of matching batteries to less than 50mv before putting in series and also the Aegis 24V charger manufacturer...

Any review suggestions appreciated. Collected suggestions from forum - precharge @ just under 1A, LED to indicated completion of pre-charge

I'm complaining! The system isn't feasible if it can't use 300W of solar to run a 70W load and at least to some degree -charge batteries with say at 150W. It seems there's a loss of over 150W in the system with a small load on. The 70W represents avg load of a fridge and some LEDs. Perhaps...

yes switched to time.google.com - it works (but not every time) I meant where in the code would you prefer to see these definitions?

I have a small system that will occassionally go below freezing and I was intending to count on the BMS stop any below freezing charging while unattended during the winter. I was somewhat surprised to get this back from support: ======= Hi,Mr Fraser BMS will automaticlly switch off the...

after charging all 4 to 95% and letting them sit overnight - they are all within 10mv of each other and cell balance is less than .004 on all of them.

in trying to use telnet - and set #define TERM_IS_TELNET get this Compilation error: TelnetStream.h: No such file or directory using Serial - it doesn't respond to any command.....

That is a good variant, thanks

Thank you , I'll do that.....

I have been able to get softserial working on an ESP32. See below. When I get time I'll get back to V on Steriods and sort out the issues there and update you. Thank you again for all your help. 15:32:20.189 PID= 0XA057 15:32:20.190 FW= 161 15:32:20.190 SER#= HQ23189PW9P 15:32:20.191...

fyi the user product manual 2012/12/16 for 51.2V battery