1. Hello everyone,

After installing a 3-phase AC coupled system with 6 quattros an a PV inverter connected to AC out of Quattros, we realised that the Quattros cannot connect to grid (AC in1) when the grid operator swap 2 phases. The problem is that the grid operator often swap phases during maintenance of electrical network, and after which the quattros cannot connect anymore to Grid when energy comes back. Is there anyway to change setting of quattro so that they can still connect to grid even if the operator swap 2 phases?

I have 4 x 100 amp AGM batteries set to charge via a relay and our monitor is the BMV 712 smart. My house battery keeps draining and doesn't seem to charge at all. Is there something I need to program for the relay to charge the battery. What am I missing?

Hi,

I am considering installing a Victron QUATTRO with Pylontech 48V batteries. I would initially purchase 4 batteries to give me around 12kWhr when new. I would like to later add another 4 batteries - maybe 5 years down the track.

I suspect that just paralleling the old and new would be a bad idea due to the original batteries having aged and lost capacity. It would seem better to have two separate battery banks and treat each separately for charging and discharging.

Is this possible?

If so, how would this be accomplished?

What would be the recommended way to add more batteries at a later stage?

thank you,

Ron

hello i plan to by the battery ecoflow delta 1300wh who have already an mppt inside of it

i would like to know if i need a better mppt by buying victron and if yes which one should i buy

here is the specification the brand gaves me ''" DELTA supports any solar input ranges from 10V to 65V with a maximum current of 10A, and a maximum input of 400W. ""

i saw some victron it was written 75 /15 , or 100/15 what is the number behind the 15A ?

the max watt ?

i don't know for the moment if i will buy the solar panels from them (ecoflow) after my researches i don't really know what to buy , because efficiency is important but the longevity of the panel is too

thank you for your research's , thank's a lot

The charger is installed on a yacht. The two of the positive outputs are connected to two Stark Power 200A 12v LifePO4 batteries and the negative to a negative bus with shunt. Volts, Amps and Amp Hours are monitored remotely.

The unit is powered by 220v 60Hz single phase shore power supply. Live/Hot, Neutral and Ground are tested and correctly wired.

After showing Error 118 incompatible hardware the unit was replaced by the Victron agent..

The replacement unit is now showing the same error. Performing a system reset to default and then repeating the set up procedure including (64) lock settings does not remove the error.

It appears from the set up menu that the unit switched to 24v and 30A output - these settings cannot be modified even when System Reset to default is performed.

The unit is running Software Version 1.02

As I have now had the same fault on two seperate chargers I would be interested to know if anyone has a similar experience?

300Ah LiFePo, 3KVA Multiplus, BMV712, MPPT 150/85, CCGX

The system is 8 weeks old and I have just noticed that the installer has set the tail current to 1%. The general recommendation seems to be 4%. The system has performed 8 syncs in the past 8 weeks. Should I increase the tail current setting?

I have a MuliPlus II 5kVA 48V running as a UPS, ie grid only input plus batteries. I have 4 x 180AH AGM batteries and I use the following settings

• Charge curve : Adaptive + BatterySafe
• Storage mode : checked
• Absorption voltage : 57.60V
• Float voltage : 55.20V
• Charge current : 52A
• Repeated absorption time : 1 Hr
• Repeated absorption interval : 7 Days
• Maximum absorption time : 8 Hr

My question is as follows.

When the system is charged and idle my Venus GX reports the following battery statistics

• Mode : Storage
• Charge state : 100%
• Consumption : 16W
• Voltage : 52.8V
• Current : 0.3A

I suspect that this is normal but I just want to double check to ensure I am not damaging the batteries.

Thank you.

Speaking of firmware issues... I run a pair of Skylla-IP44 12/60 chargers, synced, driving a 750 AH FLA battery bank. These are currently being powered by shore power (120 VAC).

I visited our ship today, and noticed that the chargers were not charging the battery bank. All voltmeters were reading ~12.4 volts and the charge current was zero. No faults were being flagged, and everything was fully powered. The chargers indicated they were in absorption mode.

Power cycling the chargers resulted in full charging current immediately.

@mvader (Victron Energy Staff) @Daniël Boekel (Victron Energy Staff)

The chargers are both running firmware v1.05, the CCGX v2.33, the Batter Monitor v3.10, and the Skylla-i Control has at least v1.03 (for the max input current fix for dual chargers).

Please let me know what other details I can provide such that the root cause can be identified and a firmware fix released.

Thanks,

Allan.

Before Monitor

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Before Charger A

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Before Charger B

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Before Control

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After Monitor

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After Charger B

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Hi - I have a multiplus 5000 and 2 x LG RESU Batteries connected, the power available is a little low, can I add another RESU10 battery using the second VE.Can socket. I would connect the 3rd battery direct to the inverter - would the colour controller send the right signals and would the Multiplus work with 3 RESU10

Hi,

I have a solar array in my rv charging a deep cycle battety through a smartSolar 100/20 charge controller. I also have a Progressive Dynamics PD4000 battery charger/power distribution block installed. I would like to use the load output to avoid over-discharge of my battery. However, I also would like to be able to use the PD4000 to charge the battery when AC power is available. My question is, can I connect the load output of the charge controller to the battery terminals of the PD4000? Under normal operation current will flow from the load output to the DC distribution block of the PD4000 and on to the various load circuits. When connected to AC power, current could flow in both directions, from the PD4000 charger to the battery through the load output or from the battery to the load. Can I do this or do I need to use the load output to control a relay/SSR connecting the battery to the PD4000?

Hi

I am using a BMV-712 to monitor my 125Ah AGM Super Cycle battery and charging with a BlueSmart IP67 25A charger.

The BMV is telling me that the battery is at 100% when the charger is still in the absorption stage.

My current BMV settings are:

Charged voltage: 13.2V

Tail current: 3%

Charge detection time: 10m

Peukert exponent: 1.14

Charge efficiency factor: 95%

Please can someone tell me if these are correct or what I should change them to. Datasheets and manuals don’t seem to have all the answers.

Thanks.

I’ve looked but can’t find this answered anywhere.

I have a Smartsolar MPPT 250/100, hooked up to a 48v array of BAE Secura 6 OPzS cells.

I want to ensure I’m setting the charge voltages appropriately.

Looking at this - https://www.baebatteriesusa.com/wp-content/uploads/2019/03/BAE-VLA-Installation-and-Operation-Instructions-0219.pdf - it appears float is 2.23VPC, equalise is 2.4VPC, and absorption I’ve taken as 2.33VPC.

These voltages are more or less identical to those that victron list for their own OPzS cells - https://www.victronenergy.pt/upload/documents/Manual-Stationary-batteries-EN.pdf.

So... why do all of the OPzS charge algorithms in the firmware seem to be a mile off these values?

The most conservative setting recommended for OPzS (Position 1) gives 2.3VPC for float, 2.68 for equalise, 2.38 for absorption. +0.07, +0.28, +0.05, respectively. It also limits equalise to 8% of charge current, although at 900Ah I should be able to do the full 100A until 2.4VPC at which point it drops to 45A (5A per 100Ah), so surely a setting of 45% would be safe?

Can anyone shed any light on why, and what I should do? I’m using the values from the data sheet currently, and doing the commissioning equalise at 2.4VPC - but the MPPT is limiting the charge current to 5A, when it could be delivering much more - there’s a 4kW array in direct sunlight right now.

Thanks!

AM Solar has a nice list of recommended settings for Victron products (and not only) including Victron Lithium batteries. Are those good?

I own a BMV-702, a MPPT 100/50 & a Victron Lithium Superpack 12,8V/60Ah. Some of the settings differ from Victron's manuals/specs/defaults.

1. BMV-702 manual only provides two settings specific to Lithium batteries (ch. 6, p.37): Peukert’s exponent at 1.05 and charge efficiency at 99% (those are identical to AM Solar's guide). Other values are defaults for "all batteries":

- charge voltage default = 13.2V (AM Solar = 13.9V for Victron Lithium)

- tail current default = 4% (AM Solar = 2% for Victron Lithium)

- temperature coefficient = 0.0%cap/degC (AM Solar = 0.5%cap/degC for Victron Lithium)

2. Bluesolar MPPT 100/50 manual provides (ch. 3.7, p. 11):

- absorption voltage for LiFePO4 = 14.2V (AM Solar = idem)

- absorption time for LiFePO4 = 2h (AM Solar = 1h)

- float voltage for LiFePO4 = 13.2V (AM Solar = 13.5V)

- tail current default = 2A (p. 9) but is actually disabled when choosing Lithium batteries (knob at setting 7) with firmware 1.46 (AM Solar = 0.5 per 100Ah for Victron Lithium)

3. The 12.8V/60Ah Victron Lithium SuperPack comes without any manual but according to specifications it should operate with:

- absorption voltage = 14,2V – 14,4V

- float voltage = 13,5V (Victron = 13.2V, AM Solar = 13.5V)

- max charge current = 30A (while MPPT 100/50 can deliver 50A, as it name suggests... it's nowhere mentioned/recommended in the manuals but for safety I have limited my MPPT's max charge current to 30A using Victron Connect app).

Question:

So which settings are "better"? Or maybe soome settings (like a higer charge voltage) are better for "performance" while other (lower charge voltage, disabled tail current) are better for battery longevity?

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Source: https://amsolar.com/rv-solar/support

My system: the LiFePO4 is charged by a second alternator 24V/110A, so it is independant from the starter 12V battery.

Does anyone know of a good 24V 100A battery charger instead of taking 6 Orion-Tr 24/17 (between alternator and battery)? Or is there a more costs efficient way?

Thanks in advance for your help!

Hi everyone. I asked a question recently regarding disabling Bulk protection mode on a Phoenix battery charger. The thread is here:

https://community.victronenergy.com/questions/36530/phoenix-battery-charger-bulk-protection.html

During the investigation, with assistance from Victron support staff; we found that we were able to disable bulk protection by connecting a MK2 programming lead and using VEconfigure. So that's our Phoenix charger sorted.

So following on from that, now I have the same question and problem...but with the Skylla Charger. To be clear, this is the older non-I version of the chargers. We have several models installed, all are 24V versions ranging from 24/30 up to 24/100. The boards do not have an RJ45 port so I can't try the VEconfigure trick again. There is another connector on the board which looks like an IDC type ribbon connector, not sure what this is for though. Can't see anywhere else to plug anything in. There are DIP switches but none of these are allocated to bulk protection (according to the manual).

The manual says that after 10 hours of bulk charge, the chargers will switch to float mode to protect the battery. We have not observed this behaviour with our chargers. Our chargers will instead shut off and the fail LED will flash the code for bulk protection activated. These fault codes are not in the original manual but are in the manual for the Skylla-I and appear to be the same. If the charger is switched off/on again charging will recommence for another 10 hours but then the same will happen. Luckily, most of our sites that have these fitted have remote control generators instead of mains power so as long as we monitor our battery voltages we can tell when a charger has gone into Bulk protection mode and reset the generator to carry on charging.

Example: We have a 3000Ah battery bank that was discharged to 23.5V. It took over 30hours bulk charge with a Skylla 24/100 set to 100A charge to charge this back up. During this time I had to:

1. Start generator locally and then leave site. Charger operates at 100A Bulk for 10 hours.

2. After 10 hours, remote monitoring showed that battery voltage had dropped back down to 24V, charger failed on bulk protection.

3. Remote reset generator. Battery voltage seen to increase to 26V on charge again as Skylla is reset.

4. Repeat 2 and 3 every 10 hours

It wouldn't be so bad if the charger did what the manual said and went to float mode, at least this would eventually charge the batteries back up without our intervention, (not ideal charging voltages though). We can't go any higher with our charge currents, we've got 16mm feeders and that's it, space is tight.

So is there any way to do what we did with the Phoenix chargers and disable this mode? Or alternatively make the charger go into float mode instead of failing?

Cheers, Si

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Just installed a 100amp Buck Boost. Configured it but have Zero amp output. Set it @ 20amp output to try and save my current alternator setup. Will possible change it in the future .We have 2-200ah Victron Lithium batteries controlled by a BMS protected by a Battery protect. Have I set something up wrong? Was hard to find setting for a 24v system so just doubled what I found with the VW install.
Thx for all your Help

I am installing a one input, two output Victron battery isolator between my 70 amp alternator and my two battery banks ( 210 ah domestic and 75ah engine) .

I also have purchased a Victron 20 amp mains charger and have a solar panel. Should these last two charging systems be connected to the battery banks via the isolator or direct to the batteries??

Many thanks

Ed

I have the subject inverter/charger installed on a LI system, have updtaed VE Flash to the latest 90.05.153, downloaded the correct VFF for the Inverter charger, have loaded the assistant on SYs Config, all to no avail to delete the continuous error code.

The Bus BMS does not indicate it is enabled. I have triple checked all wiring as well.

Any suggestions?

Had a power surge from grid a while back and this then required a new control board to be fitted. This has been done and the inverter side works fine now but when connected to AC power in, this does not register and charge the batteries or switch the inverter side off. There is none of the LED operating on the left side of the unit either? Having looked at documentation it is telling me that it may be a fuse/breaker on the AC in side that needs to be closed, any ideas where?

Hi,

I had a short gridfailure and the battery went down to just 99%, but when the grid got back, the quattro just went to storage mode, is this correct?
I'd expected it to go to absorption first, since i in ESS chose to keep my batteries charged.

Kind Regards

Hello all I have a question on how to setup the battery thermocouple in the software to limit charging for a Li battery. I cannot seem to find the section in the VE Configure software and would like some help. I basically want to stop charging if the team reaches to high and I want to prevent charging if the temp is too low. I just cannot seem to find the spot.

Thanks for the help!

I had a 6kw generator that I used to charge my batteries through my easy solar and had no problems at all, then the generator broke down so not having much spare cash I purchased a 1.1kw generator wired it up and it started to charge but the generator wasn't able to provide enough power so it cut out, then after saving up I bought a new 5.5kw generator wired it up and my easy solar tried to charge but nothing happened can someone advise me please

Have connected a 5KW Honda generator and after the power line on a Multiplus 48/5000, and in both cases, the batteries start to discharge. Have checked all connections of Multiplus and BMV with the suppliers and, everything seems normal. I'm off-grid and have 8 Vicron 220AH batteries. Can someone help? Thanks.

I’m looking at starting a solar setup in my new home out in the woods and since I had a great experience with the little Victron MPPT 75/15 in my boat I want to use Victron as the heart of my setup.

I have line power in the house, but it’s very dirty. Voltage rises and falls continuously between 210 and 250, and I often get very short brownouts during the day (lights flash, router and computer reboots).

my question is, if I start with a hybrid inverter but only hook it up to batteries and line power (no solar yet), would this protect my home from the line power? In other words, does the inverter simply pass through line power when it is present and there is no solar input (like a “line interactive UPS”) Or does it use the line power as a power source and ‘rebuild’ the power to my house (like a “on line UPS”)?

I am most of the time connected to shore power, the inverter keeping the batteries charged in float mode. Every morning, the MPPT starts a change cycle in bulk mode. Am I over charging the batteries?

I work as a consultant providing RFID detection equipment for fish and wildlife services. Lately I have needed the what Victron 100/20 MPPT solar controller is marketed to provides - a cost effective, user friendly smart solar controller that will work in either 12 or 24 volt configurations. I mainly run 24v. Regarding the load output settings, which would be the best for a continuous load (antenna always running) but to still be able to disconnect the load when the batteries drop below say 22.5 and reconnect at 24? I have tried the user defined algorithm with the previous parameters but have heard heard feedback that the load will not reconnect and the yield in the history will show 0 from that point forward. I have tried to duplicate this scenario in my shop but was unable to do so. The reason I am asking now is I have heard from a second customer in an opposite solar region whom experienced this same issue. I have assumed the disconnect at 22.5 and reconnect at 24 will prevent the batteries from going totally dead.

Hi There

Our lithium battery bank was completely depleted. The Grid was off and no solar available.

I have set ESS to "Keep batteries charged" via CCCG but no charging is happening from grid that has now come on.

Batteries remain low but charge percentage show as 65% which is incorrect..

Is this perhaps a hub setting I am missing?

Is it possible to run a forecast based battery management? Considering Geo data, weather, ... The goal is loading the battery not in the morning - but e.g. at noon ..

--

In Deutschland , genauer gesagt in Berlin, gibt es Fördergeld wenn man einen Prognose basiert es Lademanagement umsetzt, die Idee ist den Akku nicht schon morgens direkt aufzuladen bei den ersten Sonnenstrahlen, sondern erst am Mittag , wenn Höchstleistung (PV) anliegt .. Auf diese Weise kann man eine gleichmäßige Einspeisung erreichen. Prognose basiert, heißt auch nach dass man Geokoordinaten mitgibt und eventuelle Wetterdaten berücksichtigt .. Es gibt ja die Möglichkeit über external Control eigene Steuerungen zu implementierenmentieren, hat das mal jemand versucht?

Our configuration:

Quattro 48/5000, 150/85 SS MPPT, 3x PylonTech US3000 LiFe batteries, 10kVA Bundu Power LP Gas Generator. Battery BMU communicating on Can-bus.

Grid connected to AC-In 1 & genny to AC2 (for grid priority)

All components on latest Firmware

ESS Configuration

Optimized (without battery Life)

No feed-in

Battery Min SoC = 10%

VE Configure

I have tried many combinations, current settings:

UPS Function off

Dynamic Current Limiter on

Weak AC on

Power Assist on

Problem

Generator call is made at 5% SoC. Generator connects and starts charging battery while supplying small load (500W). Charge to battery increases and generator load gently increases to approximately 2kW, at which point the charging stops and load on generator drops to 500W (AC load only). This cycle repeats ...

With UPS function on, at the 2kW genny load the Quattro completely disconnects the genny, only to re-connect and repeat the process.

Voltage and frequency from genny remains stable and well within tolerances during these cycles. No big loads or demands on AC.

I am out of ideas. Please advise where the problem may be.

I was wondering if I could use my workshop generator that puts out a modified sine wave to power my smart charger when needed, or is is best to use an inverter generator the puts out a pure sine wave? Cheers.