Bluetti ACB300 - 10.2.3. PV Priority UPS Mode

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10.2.3. PV Priority UPS Mode
● PV Priority Mode: Recommended for areas with stable grid power. The
battery will be recharged mainly by PV for power savings.
● Note: In PV Priority Mode, AC300 can only be recharged via grid to 30%
capacity, and also discharge to 30% of the capacity (you can tweak it to
100% for full grid charging manually on touchscreen or App) as the "Reserved
capacity for PV charging". And rest of the capacity will be fully charged from
either solar power or 2 adaptors.