Bluetti B300S - Appendix; FAQs (Frequently Asked Questions)

Appendix
Q: Can it charge and discharge at the same time?
A: Yes. It supports pass-through charging. B300S comes with the premium LiFePO4 battery
and proprietary Battery Management System(BMS) to ensure that it can charge and discharge
at the same time.
Q: Can I use third-party solar panels to charge this unit?
A: Yes, you can. As long as the specs of solar panels you’re using fall in below range:
OCV: 12-60V
Vmp: 12-60V
Input Power: 500W Max.
With the same power connector (MC4)
DO NOT mix different types of solar panels.
Q: How to upgrade the firmware of B300S?
A: Connect it to the AC500 or other compatible power station, pair the system with BLUETTI
App, and you can over-the-air (OTA) upgrade the firmware including ARM, DSP, HMI, and BMS.
Q: How to store B300S expansion battery for a long time?
A: Charge it to 80% SOC every 3-6 months for long-term storage.
FAQs (Frequently Asked Questions)
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