These 400W monocrystalline panels are standard PV modules, not fixed 12V/24V/48V.
Max Power Voltage (Vmp): ~37V
Usage:
1 panel → for 24V systems
2 panels in series → for 48V systems
Not directly for 12V (too high voltage)
A controller must be paired before connecting the battery.
If this response does not resolve your current issue, please contact us again for assistance.
The single-board operating voltage is 31V, the operating current is 13.22A, the open-circuit voltage is 37.36V, and the short-circuit current is 13.84A.
