Select the panel you want to replace
Voc
49.43 V
Vmpp
41.52 V
Isc
16.8 A
Impp
16.02 A
TcVoc
-0.23 %/°C
TcPmax
-0.26 %/°C
Pmax
665 W
Cells
264
Bifaciality
85%
The Astronergy CHSM66RNDGF-BQ665 is a 665 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.