diy solar

diy solar

Recent content by Alber C

  1. Alber C

    High Voltage (HV) battery from 4x 16s(48V) in series?

    you can't do this. you know it's dangous and you should know why. because your 3 phase inverter will need a communication with battery system. while you use the 16S battery pack in series will not possible to do so. HV battery system works by BMS and BMU. there is a master BMS beyond the BMS of...
  2. Alber C

    High Voltage powerwalls?

    High voltage battery system required BMS and BMU. its more complicated then the 48v system. while you use the batteries, the communication is important with inverter. in terms of protection voltage, over charge, and over discharge details . here is a small system based on 512v...
  3. Alber C

    100kw off grid system

    If you trying to build 100kw system. I think high DC voltage battery system you must use. some information you might need 100kwh is good for a small commercial energy storage system. but this required a more professional inverter or BMS. and orgnized battery system like this...
  4. Alber C

    Can Anyone Identify These Cells?

    These should be 32650 cells 3.2v lfp cells.
  5. Alber C

    Max CALB LifePO4 Battery Packs in Parallel?

    You need to check your BMS features absolutly on this. Based on BMS market. Very very less BMS can do this. If you want to connect 2 packs. need a special designed BMS. not every can do this. So, why not just use a 16S BMS? can share your bms details?
  6. Alber C

    Which Charge profile is ok for LifePo4?

    You need to find out your BMS configuration on charging part. But normally a 4S LiFePo4 will be 14.6v fully charged by each cell. And each cell is 3.65 volt. When you have a bms. it will manage the voltage. If single cell reached to 3.65. the battery will be fully charged. In this way, you 'd...
  7. Alber C

    2x150W of solar (in series) into 2x150A LiFePO4 (in parallel) - good to go?

    The Configuration looks just fine. I think you don't need to worry about the Solar part. Also your application load is reasonable based on this system.
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