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HIGH-EFFICIENCY MPPT CHARGING: Delivers up to 45A charging current with >99% MPPT tracking efficiency and 92%–99% conversion efficiency. Supports up to 540W PV at 12V, 1080W at 24V, 1620W at 36V or 2160W at 48V. Keep total PV array Voc below 120V DC. FLEXIBLE BATTERY SETTINGS: Supports 12V, 24V, 36V and 48V battery systems with profiles for Sealed/AGM, GEL, Flooded, LiFePO4 and lithium batteries. Custom charging parameters can also be configured in the Noi Solar app. BLUETOOTH & WIFI SMART MONITORING: Use the Noi Solar app on Android or iOS for local Bluetooth BLE 5.0 connection or 2.4GHz WiFi remote monitoring. View PV input, battery status, charging stage, load data, operating logs, statistics and alarms, and manage firmware updates. FLEXIBLE 30A DC LOAD CONTROL: Supports Always On, Manual, Battery Voltage, Light Control, Light Timer, Light Repeat, Cycle and Time Segment load modes. The load terminals are for matching-voltage DC loads only—not inverters, AC appliances or battery chargers. VERSATILE OFF-GRID APPLICATIONS: Designed for residential and small off-grid solar systems, solar battery charging, DC lighting, USB-powered devices, remote monitoring and other matching-voltage DC loads.