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battery for Pv system

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  • 10-04-2021 10:03am
    #1
    Liaison
    Registered Users Posts: 45 ✭


    Just browsing car parts and came across a 28kwh battery for 6k. Would it be a good price / worthwhile for a pv system?


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    #2
    graememk
    Moderators, Home & Garden Moderators Posts: 5,964 Mod ✭✭✭✭graememk


    Liaison wrote: »
    Just browsing car parts and came across a 28kwh battery for 6k. Would it be a good price / worthwhile for a pv system?

    Depends on what you compare it to.

    Ali Express batteries are around 120-130€ /kwh
    But that's bare cells. Build everything yourself

    Plyontech etc are around 300-350€/kwh but they are plug and play.

    That is about middle of the road, are they bare cells or are they packaged up with a bms?


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    #3
    Liaison
    Registered Users Posts: 45 ✭Liaison


    graememk wrote: »
    Depends on what you compare it to.

    Ali Express batteries are around 120-130€ /kwh
    But that's bare cells. Build everything yourself

    Plyontech etc are around 300-350€/kwh but they are plug and play.

    That is about middle of the road, are they bare cells or are they packaged up with a bms?

    Packed up with a bms


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    #4
    unkel
    Registered Users Posts: 65,221 ✭✭✭✭unkel
    Chauffe, Marcel, chauffe!


    Liaison wrote: »
    Just browsing car parts and came across a 28kwh battery for 6k. Would it be a good price / worthwhile for a pv system?

    Bad price. Sure you can buy a complete Nissan Leaf (including its 24kWh battery pack) with tax and test for €3.5k :D

    28kWh brand new from AliExpress with a BMS and all other parts you need costs a bit over €3k landed as graememk said


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    #5
    tails_naf
    Registered Users Posts: 861 ✭✭✭tails_naf


    graememk wrote: »
    Depends on what you compare it to.

    Ali Express batteries are around 120-130€ /kwh
    But that's bare cells. Build everything yourself

    Plyontech etc are around 300-350€/kwh but they are plug and play.

    That is about middle of the road, are they bare cells or are they packaged up with a bms?

    Any links to these cells/BMS? Looking to upgrade my battery - though I guess its probably not possible to mix and match DIY with commerical - as I assume the BMS must be cooridinated?


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