ARCO Zeus Omega vs Wakespeed WS500 Pro: One Cable or the Regulator We Already Trust?

Zeus Omega sells a one-cable, multi-alternator kit that dealers are stocking at $849 while ARCO’s own page still says Coming Soon. The WS500 Pro is the proven lithium-bank regulator at about $649 — and firmware 2.6.1 now reports through PredictWind DataHub.