Mixing panels

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Jeff Turl
I have Longi LR4-60HIH-375m panels on a Growatt string inverter can I add Longi LR5-54HIB-405m panels to the same string if I use Tigo optimisers? What do I need to look out for to check this?
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    Curtis Community Moderator
    Early Adopter

    Hello Jeff, 

    Thank you for your contribution to the Tigo Community!

    Mixing and matching PV Module types can be a very delicate process, because it not only involves string balance issues, but also may include temperature variants (voltage increases at lower temperatures). Luckily, Tigo has articles to help you make the correct decisions!

    If you require more assistance, you may always reach out to our Customer Support Team. They can provide a full analysis of the panel types and your system to see how it will perform under different conditions. 

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