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    Mit einem Solarmodul Pufferspeicher erhitzen?

    Hello. Did you know this is an forum were most of the members only speak english? Hallo. Dir ist schon klar das dass ein englischsprachiges Forum ist? Aber Schluss mit dem Kluggescheisse. Beide Heizstäbe eignen sich eher weniger für das Vorhaben, die Nennleistung der Heizstäbe sollte in der...
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    5,5 Kwh -38120 Lifepo4 Headway-Build

    Now as a system with Multiplus 2 ?
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    Hello from Bulgaria!

    Hello and welcome to the best forum in the internet! ? Btw: I wish i had a holiday-house in bulgaria ?
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    Can anyone identify these lithiums?

    Hope it's ok for threat creator to post here because i have the same question: Wanna buy these cells and dont know what cells they are:
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    New here - intro

    welcome here and greetings to one of the normal countries in europe ?
  6. L

    5,5 Kwh -38120 Lifepo4 Headway-Build

    I get ~300 pcs 10 year old lifepo4 headway cells localy for less money. I was not sure about the condition of the cells, i only read the voltage of some and they were ok. After i was back home i cant wait for the capacity test of the first cells, luckily all i had tested have at least 85% of the...
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    BMS comparison for a newbie ?

    Hi Grobalt! I'm from Germany too and have a little experience with lifepo4, alibaba buying, BMS and different inverter tests since two years. If you have some questions maybe i can help you. Grüße Ruben
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    Can lithium battery pack be this cheap.

    Think sometimes chinese seller have a problem with too much zeros... ?
  9. L

    TBD SmartShunt

    someone knows if it works in a victron venus device like raspberry or cerbo?
  10. L

    4S 1P 32700 Cells 48AH

    Thats a hot Sale, found at AliExpress! ?
  11. L

    Connecting Grid tie system to an existing Off grid system

    I' am interested in this topic too. No one more an opinion? What will happen if i connect the devices like my (bad) drawing? (i am sitting in the garage beer drinking and thinking about that ??)
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    Victron VenusOS driver for serial connected BMS - JBD / Daly / ANT / JKBMS / Heltec / Renogy / Tian / ECS

    Thank you very much, i will try this. Little bit offtopic: Do you think its possible to get other devices with serial port like an Grid tie Inverter integrated in the Victron Ess?
  13. L

    Victron batteries

    I think he is talking about an Gel (AGM) batterie?
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    Proper method for attaching wire to 120 ah lifepo4 cell? (Busted terminal)

    the connections are aluminum, which cannot be soldered. you could drill to the next thread size with a thread cutter, or use a so-called "heli-coil".
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    3KWh DIY Lifepo with 2,5KW Inverter in a nice Case (IMO ?)

    ...Update Now with 16x105AH Cells, the SCC is now an Victron MPPT 100/30 and an Raspberry (selfmade Cerbo GX) System with 7" display.
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    Battery monitors

    I use this one -> https://a.aliexpress.com/_B0nKr8 Its very simple and its very accurate. I have a victron BMV too and i compare them, if you dont need many features so its fine.
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    16S 120Ah from XUBA - Capacity Test and putting into service in a Golf Cart

    "STEP 1 - TOP BALANCE: Upon arrival put cells in 16P using XUBA supplied busbars for 48 hours" If you put them in parallel you have to load them till at least 3.5V better 3.6V to top balance. Just to put the cells in parallel and just wait will help nothing.
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    Problem with Inverter

    I have a problem with my sine wave inverter. As soon as larger consumers (such as a refrigerator or kettle) are switched on, the light briefly flickers. I have a circulation pump in the heating that sometimes even switches off. Does anyone know the problem? Or maybe even a solution?
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    3KWh DIY Lifepo with 2,5KW Inverter in a nice Case (IMO ?)

    Okay, thanks for the hint. I will see how i can change this. ??
  20. L

    3KWh DIY Lifepo with 2,5KW Inverter in a nice Case (IMO ?)

    No, i dont know why i should do something like this.
  21. L

    3KWh DIY Lifepo with 2,5KW Inverter in a nice Case (IMO ?)

    Here is my little Solar powered Island. - 8x 120AH Lifepo4 Cells from Alibaba - Chargery BMS - Victron Battery Protect - Victron BMV 700 - Inverter ECTIVE TSI 25 - PowMr MPPT SCC I use the electricity for some circuits in my house, for example a fridge, coffee machine, TV and lighting. The...
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    Cell internal resistance (what does it mean)

    I test the cells (cells are connect to nothing) on the terminals with this tester ->
  23. L

    Cell internal resistance (what does it mean)

    Today one of my new orders from Alibaba arrived and i try to test my Internal Resistance Tester. Im a little bit confused because all Cells (120AH) were between 1,4-1,6 mohm. I thought it must be arround 0,2 mohm. Maybe someone can explain what the internal resistance mean and in which value it...
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    Battery Protection

    You have to "Pinout" the Socket to see which cables you need for swich on/off the inverter.
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    Battery Protection

    If your name has something to do with your origin, I would be happy to help you in German. (im from Saxonia too) ? I have an Victron BP and an Ective Inverter.
  26. L

    12v Inverter on 24v System (12v batteries in series)

    Then you have a short-circuit at both batteries.
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    Dongguan Lighting: Purchase 280AH LiFePo4 cells. Purchase & Review

    Mine from Dongguan Lightning have other busbars but i like them, pure copper and 2 millimeters thick
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    Chargery BMS now with Low Temp Cutoff

    @Chargery Hello and thanks for joining the forum. I have a questions. Why is the current display so inaccurate, i.e. without a decimal place? I know that it was not originally intended for solar applications. Could you maybe improve that with a firmware update?
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    Chargery BMS now with Low Temp Cutoff

    at 3,3v nobody can say if the cells are balanced. you have to go higher maybe to 3,4v-3,5v to see if they are balanced...
  30. L

    Chargery bms8t caution

    ahh, im to slow, and bobs english is better. ?
  31. L

    Chargery bms8t caution

    That is the point of a separate port bms, the charging relay should stay on so that the battery can be recharged. Therefore relays with low power consumption should be installed.
  32. L

    Dongguan Lighting: Purchase 280AH LiFePo4 cells. Purchase & Review

    Im from Germany. Tracking number shows "Ready for UPS..." - since weeks...
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