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  1. #1
    Member
    Join Date
    May 2015
    Location
    Schaumburg il
    Posts
    21

    2021 521L port side battery dimensions

    Can anyone give me dimensions on port side battery compartment. I'm trying to see if I can fit 3 trolling motor lithiums on a new boat. Waiting on ordered boat so don't have much info. I also need room for power pole pumps.

  2. Member
    Join Date
    May 2011
    Location
    Apex, NC
    Posts
    1,993
    #2
    Doing the same w/ 100AH Relions/ Trackers. Same question and 1 more. Batert dimensions are 13 x 7 so need 21" x 13" on Port. Want to run 2, 100AH HP in parallel on starboard side. Need 14" x 13" for crankers.

  3. Member
    Join Date
    Jun 2004
    Location
    Lake Mary, FL
    Posts
    3,962
    #3
    I just got done putting three Relion 100AH batteries into the port side shelf in the battery box. I used the Bass Boat Technology battery tray for three batteries. Worked perfect.

    I am thinking of moving Power Pole pumps to center area.
    Last edited by Whiteboat; 12-02-2020 at 05:53 PM.

  4. BBC SPONSOR
    Join Date
    Jan 2012
    Location
    Creston, Ia
    Posts
    207
    #4
    2019 Z521L Not sure exact dimensions but x2 on the bassboattech tray ran x3 Interstate group 31's.