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  1. W

    17s, Why Not?

    I have a JK BMS, which I believe will handle a 17s configuration, and a Sol-Ark 15k, which I believe will handle up to 63V. While I already have 16 Eve 280Ah cells, is there any reason why I shouldn't order another cell and make it a 17s configuration? I'd rather have the extra capacity if...
  2. W

    Enphase iQ7 XS Micro-Inverters (7)

    A friend converted over to an AIO inverter after removing a bunch of trees and had these seven Enphase iQ7 XS (same as iQ7X) microinverters left over. They have been in storage for a couple of years and saw little use, all have been tested and work great. They come with the aluminum mounts and...
  3. W

    Why no 240V Split-Phase Inverters with >600 Voc MPPT?

    In the US we consider HV max PV input to be 450V-500V Voc, with a couple of very rare exceptions coming in at 600V Voc max. Overseas, I am to understand there are inverters that handle 900V, possibly even higher, and it's not totally uncommon to see these significantly higher voltages...
  4. W

    Active BMS recommendation wanted for 16s

    I have 16 Eve 280ah cells in route. I want a decent active balancing BMS. I will not pull many amps through the BMS, but I will likely get a 200A just to be safe (unless there's a reason not to significantly oversize?) I want to get started on the battery build and have the BMS in route if...
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