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    photovoltaic spd suggestions Victron 250 MPPT

    If I have a nearby lightning strike that creates a voltage spike in my PV cables I assume that connected devices that are rated for a maximum voltage of 250VDC will be destroyed if my SPD has a Uc above 250V. If I understand this correctly then I thought I should have an SPD with something just...
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    photovoltaic spd suggestions Victron 250 MPPT

    I looked at the specs from Midnite but I don't think it will protect my MPPT. If I understand SPD's correctly I believe I ideally need a Uc <250V.
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    photovoltaic spd suggestions Victron 250 MPPT

    Hello all. I am struggling to find a suitable DC SPD that will work well with Victron 250 series of MPPT. My PV panel string voltage open circuit is 212V and expected max cold temp open circuit 235V. Victron 250 series MPPT's have a hard voltage maximum limit of 250V. Can anyone suggest a...
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    Victron Inverters

    I think you need to look at the 250v line of victron mppts. 5S2P setup if you want a single device.
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    battery disconnect pylontech

    I looked at dc rated NH fuse disconnect devices but in the end settled on a 600amp meadotech switch to isolate the 3 victron multiplus. The multiplus's will connect to the top distributor. The switch fits perfectly with the lynx bus bar setup. The switch cost was £470.00.
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    battery disconnect pylontech

    Hi. I have 30kW of pylontech that will I connect through Victron Lynx devices (power in, shunt and distributors) for a home ESS. Each of the 6 batteries are wired to Lynx power in individually. I have a class T fuse between lynx power in and lynx distributors at the shunt but still need to find...
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    Pylontech US5000 SW button

    Should the red SW on a Pylontech US5000 battery pop out after being pressed? Mine stays in. Is that normal? I thought the SW button was used to switch a unit or group off before using the master toggle switch.
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    Pylontech 8 x US5000 wired into 2 x Lynx Distributors -- Would this work?

    I hit post tooo early... wiring unlimited page 27 illustrates the correct lynx device order.
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    Pylontech 8 x US5000 wired into 2 x Lynx Distributors -- Would this work?

    This image illustrates the communication and wiring to create 2 battery banks. You could also have turned this into 8 separate banks as was discussed. The comunication wiring remains the same. Here's the link to the topic at Victron...
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    40kW worth of panels seeking hybrid inverter to match

    It would seem that there ought to be a compliant anti islanding anti export hardware device that could be installed upstream if Victron can't get their larger Multiplus-II certified. I saw the Ziehl UFR1001E device but unfortunately I don't see a Danish certificate, yet other Nord Pool countries...
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    40kW worth of panels seeking hybrid inverter to match

    Thanks for all of the info. Your setup is impressive! I was in looking at the Multi-II 48/8000 or 48/10000 in 3 phase. I wonder why the apporoval list stops at the 5000. Do you know, If I do not allow export then are those lists irrelevant?
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    40kW worth of panels seeking hybrid inverter to match

    Hi da9el84 Is your system up and running? Which components did you install for the mppt and inverter/charger? ..any great photos? I am also in DK. I am building a home solar system with the aim to keep all generated power on-site by charging up a battery bank first and then afterwards extra...
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    Lifepo4 battery orientation (BLS LIFEPO4 Battery)

    Well good news has arrived. BLS Battery Industries has wrote to me that there should be no problem installing on side for their cells.
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    lifepo4 independent and combined battery banks

    Well I have decided to shelf my overkill bms's and I will buy a REC active bms (victron compatible model). It is able to communicate with the victron gear thru the canbus and external relays can be used as well.
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    Lifepo4 battery orientation (BLS LIFEPO4 Battery)

    It's interesting because some "drop-in" 12v LIFEPO4 battery companies allow for any position mounting and others have restrictions. I just wish the manufacturer would provide a data sheet with their recommendations. I can live with a reduction in cycle count but if for some reason it's a safety...
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    Lifepo4 battery orientation (BLS LIFEPO4 Battery)

    Pierre are your installs used in fixed applications or mobile? Would anyone else care to join in with their experience with blue prismatic cells on their side in mobile applications?
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    multiplus new style vs multiplus compact

    Hi All, I'm in the design phase still for a sailboat LIFEPO4 system using a built up diy battery with most likely a REC active BMS. My question is with the Victron Multiplus. There appears to be two models of almost identical specs one with a plastic looking case vs metal (considering 12v 1200...
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    Lifepo4 battery orientation (BLS LIFEPO4 Battery)

    Hi All, I have 8 3.2v 200A LIFEPO4 from BLS link ( https://blslifepo4battery.com/collections/3-2v-batteries/products/grade-a-3-2v-200ah-lithium-iron-phosphate-lifepo4-battery?variant=32514209644624 ) and have tried to find literature from the company and elsewhere online about the possible...
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    lifepo4 independent and combined battery banks

    Victron Orion Tr Smart DC to DC charger question...Does anyone here have experience using the Orion to sense a running alternator? If so, how well is it working?
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    lifepo4 independent and combined battery banks

    I do believe that keeping a traditional battery between the alternator and the lifepo4 side is good insurance against unintentional voltage spikes from what I have read. I guess the holy grail is a bms that shuts down the alternator prior to cutting off charge to protect the batteries. I can`t...
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    lifepo4 independent and combined battery banks

    The rational of double BMS's was to increase amperage. My normal loads are small fractional C rates way within the BMS safety range but Mike brought up the good point of potential high startup currents for a windlass. B is definitely the simplest. Thank you for the tip on Electrodacus; I...
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    lifepo4 independent and combined battery banks

    Mike I have been thinking about your windlass question. The present windlass is underpowered for the boat and when it dies I would end up with something bigger. At present it is on a 12v 50A separate circuit from a previous owner. It is so old I actaully don't have any documentation on it...
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    lifepo4 independent and combined battery banks

    Thank you Mike. I have a powered dc windlass. I need to check the amperage. I don't use much inverter power beyond the needs of a laptop/tablet or a cell phone. The alternator is a concern that I have. I have a "new" never-used Balmar ARS-5 from circa 2012 (will need Valeo mod kit) that I had...
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    Sailboat lifepo4 2x200A set-up - Schematical drawing and interrogations

    thank you. I have moved it to "lifepo4 independent and combined battery banks"
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    lifepo4 independent and combined battery banks

    ***Parts of this post were originally posted as a comment in another section but I have moved it here after receiving a suggestion to start a new thread*** Hello all. I'm a new member here with a solar system on my sailboat and I am looking to upgrade away from lead acid. I wish to switch to...
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