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6 Frequently Asked Questions about “Three charging modes of solar charging outdoor power supply”
What is photovoltaic priority charging?
Photovoltaic priority charging: Photovoltaic power is given priority to charge the battery. Only when there is no PV power, the mains will charge the battery. This mode is suitable for users with high mains electricity prices and moderate power supply requirements.
What is photovoltaic independent charging?
Photovoltaic independent charging: Only photovoltaic power is used to charge the battery, regardless of mains power availability. This kind of charging mode is widely used by users with very high mains electricity prices and low power supply requirements.
Can a solar battery be charged without a mains power supply?
Only when there is no PV power, the mains will charge the battery. This mode is suitable for users with high mains electricity prices and moderate power supply requirements. It will maximize the use of solar power for charging and reduce reliance on expensive mains electricity.
Should you charge a battery with a mains or off-grid inverter?
If you choose to charge the battery with the mains, you should notice that the efficiency will be reduced because the mains will charge the battery and then discharge it, resulting in a certain amount of power loss. Usually, off-grid inverter charging is used in such scenarios.
How many working modes can a photovoltaic inverter have?
The above four working modes can be selected when both photovoltaic and commercial power are available. If there is no commercial power complementation, the inverter has only one working mode, which is the photovoltaic independent charging mode.
What is off-grid inverter charging?
Usually, off-grid inverter charging is used in such scenarios. The efficiency of discharge is about 90%, so there will be about 10% power loss. Photovoltaic priority charging: Photovoltaic power is given priority to charge the battery.