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  1. W

    DIY high voltage Lifepo4 for PV hybrid inverter

    Hello, I'm experienced in building 12V/48V Lifefo4 batt. systems, done for several applications. I'm planning to install a 10kva home PV system with ESS. Most inverter operate with high voltage DC battery power input to for hybrid mode. I can't find information to DiY solar storage batteries...
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    Initial balancing of CALB SE200FI 3,2V200AH, cell drift

    Hello, I'm building a 4S battery pack with CALB cells and a smart JBD 4S BMS board. I received the cells as grade A ( new), all showed the same voltage level of about 3,2 Volts. I'm currently in a working stage to lab' test the components and functions, battery and BMS. To condition the cells I...
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    LiFePo4 battery design preference for RV application

    Basically I see two different designs on the market. LFP with aluminium case and LFP with nylon case. Alu case design batt's are lighter and smaller in package compared to the nylon case batt's from CALB and Sinopoly. I'm interested to view on the pro's and cont's for RV application!
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    Smart BMS 4S 12V 150A LiFeP04 with temp. sensors

    I bought a smart BMS board with Bluetooth advice and UART box with some other parts from AIiexpress, IC GOGOGO Store. 4S 12V Lifepo4 150A Continuous Lithium 3.2V Protection Board Bluetooth APP Computer UART Communication Balance Smart BMS...
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    voltage / amp / watt / meter with hall effect sensor

    Can anybody recommend or direct me what kind of measurement equipment Will uses on his video clips to measure capacity, voltage, amperage, watt power? I'd appreciate your answer. Regards, Waldemar
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    Hello from Germany!

    Hi, I work as development engineer in automotive engineering and want to share/discuss DIY Lifepo4 experience for RV application.
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