Skip to content
  • Register

    • Sunsaver MPPT bulk charge setting?

    Posts: 2,511 admin
    in Solar Beginners Corner #1
    I was looking at the custom settings in my new Sunsaver MPPT controller, and I only see a place to change the Absorption and Float voltage.

    Does the Bulk voltage basically run up to where the absorption is set? Then switch into absorption at that point when the current drops? So the absorption voltage is the top setpoint for the bulk phase?


    Thanks

    Greg
    · Share on Twitter

    Welcome!

    It looks like you're new here. Sign in or register to get started.
    Sign In
    Register

    Comments

    • Super Moderators, Administrators Posts: 33,680 admin
      #2
      Re: Sunsaver MPPT bulk charge setting?
      saddledown wrote: »
      Does the Bulk voltage basically run up to where the absorption is set? Then switch into absorption at that point when the current drops? So the absorption voltage is the top setpoint for the bulk phase?
      Exactly, the Absorption Voltage is the transition from Bulk to Absorb charging phases.

      -Bill
      Near San Francisco California: 3.5kWatt Grid Tied Solar power system+small backup genset
      · Share on Twitter
    • Posts: 6,290 admin
      #3
      Re: Sunsaver MPPT bulk charge setting?

      Thank you! That settles that.
      · Share on Twitter
    • Solar Expert Posts: 10,300 ✭✭✭✭
      #4
      Re: Sunsaver MPPT bulk charge setting?

      bb is correct and there was some confusion for a time about bulk voltage. bulk voltage slowly rises as the battery charges, but changes to absorb as soon as the absorb voltage is reached making bulk voltages as irrelevant.
      · Share on Twitter

    Welcome!

    It looks like you're new here. Sign in or register to get started.
    Sign In
    Register

    Welcome!

    It looks like you're new here. Sign in or register to get started.
    Sign In
    Register

    Quick Links

    Categories