Select the panel you want to replace
Voc
41.06 V
Vmpp
34.83 V
Isc
15.83 A
Impp
14.93 A
TcVoc
-0.25 %/°C
TcPmax
-0.29 %/°C
Pmax
520 W
Cells
108
The Suntech STP520S-H54-Nkh+ is a 520 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.