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10-539-1 MN5048DIY REV -
MN5048DIY
User Manual
3. Operating modes
3.1 Charging mode
1) PV priority: PV module will charge the battery preferentially, and the battery is charged by the
Mains only when the PV system fails. During the day, solar energy is fully used to charge, while at
night, it renverts to the Mains. This can maintain battery level, and is ideal for areas where the
grid is relatively stable and electricity price is relatively high.
2) Mains priority: The Mains supply is preferentially used to charge the battery. Only when the Mains
are not available, the PV charging will be activated.
3) Hybrid charging: PV and mains hybrid charging. PV MPPT charging is a priority, and when PV
energy is insufficient, the mains supply supplements. When the PV energy is sufficient again, the
main s stop charging. This is the fastest charging mode, suitable for the areas where the power grid
is unstable, providing sufficient backup power supply at any time.
4) Only Solar (Only Solar): Only PV charging, without Mains charging. This is the most energy
efficient way in which the battery is charged, and is usually used in areas with good lighting conditions.