this post was submitted on 07 Aug 2023
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What kind of charger are you using that needs to voltage match the batteries? I'm running 500V strings on a Luxpower 18K and it's not an issue with the chargers in that.
Schneider MPPT 150. We sell a lot of Schneider at work and I got a good price on it. However it's totally a piece of crap. It's the only "150v" device I've ever seen where 150v is the do not exceed voltage rather than the operating voltage, and it will trip offline at 140v which causes a huge issue here in Canada where OCV can rise greatly below -20C.
Wouldn't recommend Schneider in general as they require their own proprietary CANBus mod to get telemetry out of any of their equipment.