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Mini PV

  • 13-03-2023 10:55am
    #1
    randombar
    Registered Users Posts: 3,300 ✭✭✭


    Hi All,

    Looking for recommendations for some direction.

    1) Friend of mine is setting up "glamping" pods at the moment, rooves perfect for PV, thinking a panel with battery for DC only. What do people recommend for this?

    2) Looking at getting a few hens, so there's auto door opening thing you can get for em, electrified fence for foxes and potentially a webcam to keep an eye on them. What would people recommend for this? I was thinking Panel + lead acid or something? But don't really know what the best options are currently.

    Thanks.



Comments

  • #2
    randombar
    Registered Users Posts: 3,300 ✭✭✭randombar


    Any recommendations here?



  • #3
    graememk
    Moderators, Home & Garden Moderators Posts: 4,970 Mod ✭✭✭✭graememk


    Not saying to get this but using this as an example.

    https://solarpumpsolutions.ie/

    we have one, it's a 12v panel, charge controller and 12v deep cycle lead acid.

    Pump is a diaphragm pump with compression cyclinder and a pressure switch.

    Pretty straight forward. Only used in spring/summer/autumn. Never have seen the battery low on it.



  • #4
    randombar
    Registered Users Posts: 3,300 ✭✭✭randombar


    https://www.boards.ie/discussion/comment/120378630#Comment_120378630

    that's exactly what I'm thinking. Stick to 12v so.


    Panel + charge controller + 12v lead acid



  • #5
    unkel
    Registered Users Posts: 63,585 ✭✭✭✭unkel


    Problem with lead acid is that it needs to be fully charged regularly. If you leave it like over winter with zero PV, the battery will be useless the next spring. But I guess if the use is very light and you can get the batteries cheap, you can just replace the batteries once a year. Guy on adverts is selling cheap AGM lead acids cheaply (ex datacentre UPS - so they will barely have been cycled)



  • #6
    DC999
    Registered Users Posts: 1,212 ✭✭✭DC999


    https://www.boards.ie/discussion/comment/120383200#Comment_120383200

    And it's a rental glamping place, so people are gonna run the lead acid batteries down plugging in all sorts of unexpected stuff. Once people see a 3 pin plug, it's fair game!! Could be worth getting 1-2 different setups and seeing which behaves better. And then they can get more of the better setups.



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  • #7
    unkel
    Registered Users Posts: 63,585 ✭✭✭✭unkel


    https://www.boards.ie/discussion/comment/120383771#Comment_120383771

    That's probably why do OP doesn't mention 3 pin plugs in this setup and will only allow DC 😂

    But you actually have a point. A LiFePO4 battery costs less per kWh cycled than a lead acid, but needs a BMS. Double edge sword as the BMS would protect the battery from draining below where it does damage. Unlike the lead acid



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