Select the panel you want to replace
Voc
50.41 V
Vmpp
41.93 V
Isc
16.78 A
Impp
15.98 A
TcVoc
-0.25 %/°C
TcPmax
-0.29 %/°C
Pmax
670 W
Cells
198
Bifaciality
80%
The JA Solar JAM66D50-670/GB is a 670 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.