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This Homey app helps you optimize charging and discharging of your Marstek Venus or other battery based on dynamic energy prices, solar forecast, and your own consumption. You choose a strategy (Dynamic or Net Zero), set your battery settings, and the app automatically creates an hourly charge/discharge plan. The app can control batteries directly via MQTT or be used as a planning tool for other brands. The planning takes into account your SoC, minimum discharge level, solar production, and consumption. You can view the plan in Homey and use flows for automation. Add the 'Energy Prices' device and optionally 'Solar Forecast' for best results. For Marstek Venus, direct MQTT control is possible; for other batteries, use the plan in your own flows. Visit the Forum for detail information.