Product details
High-Efficiency Smart MPPT Charging: Delivers a maximum charging current of 45A with over 99% MPPT tracking efficiency and 92%–99% conversion efficiency. Supports solar arrays up to 540W at 12V, 1080W at 24V, 1620W at 36V, or 2160W at 48V.PV array open-circuit voltage below 120V DC.
FLEXIBLE BATTERY SETTINGS:This 45A controller 12V, 24V, 36V,48V battery systems。Choose profiles for sealed/AGM, GEL, flooded, LiFePO4 or lithium-ion batteries, or enter custom charging values in the Noi Solar app.
BLUETOOTH AND 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 solar input, battery status, charging stage, load data, operation logs, statistics, alarms, and firmware information.
FLEXIBLE 30A DC LOAD CONTROL – Features Always On, Manual, Battery Voltage, Light Control, Light Timer, Light Repeat, Cycle, and Time Segment load modes. Includes a controllable 5V/2A USB output. The load terminals are for matching-voltage DC loads only—not inverters, AC appliances, or battery chargers.
VERSATILE OFF-GRID SOLAR APPLICATIONS – Designed for residential and small off-grid solar power systems,RVs. Suitable for solar battery charging, DC lighting systems, USB-powered devices, remote monitoring, and other matching-voltage DC loads.
Y&H MS4845 Smart MPPT Solar Charge Controller:
The MS4845 is a 45A MPPT solar charge controller designed for 12V, 24V, 36V, and 48V off-grid DC solar systems. It combines high-eff
Sold on Yonghui Solar Inverter, Various hybrid inverters, grid tie inverters, (https://yonghuisolar.com/products/2400w-24vdc-220vac-output-built-in-mppt-40a-solar-hybrid-inverter). The price shown is the retail price on that storefront on 2026-10-25, not a GreenB2B quote or a wholesale price.