Select the panel you want to replace
Voc
54.12 V
Vmpp
44.77 V
Isc
15.06 A
Impp
14.41 A
TcVoc
-0.2 %/°C
TcPmax
-0.26 %/°C
Pmax
645 W
Cells
144
Bifaciality
70%
The LONGi LR7-72HYD-645M is a 645 W solar panel. Finding a compatible replacement requires matching the original electrical characteristics — particularly Voc, Vmpp, Isc, and temperature coefficients — to ensure safe operation within the same string.
Use the form above to find panels that match these specifications. Then verify the replacement in the String Compatibility Calculator with your inverter.