Yingli Solar YL645CF78 e/2 — 645W TOPCon Solar Panel | Solar Stack
Free solar panel & inverter compatibility checker. Verify your PV string configuration is safe before installation.
Tools Resources Legal Solar Panels Yingli Solar PANDA-PRO-156CELL-BIFACIAL-M10 YL645CF78 e/2 Yingli Solar YL645CF78 e/2 645 W TOPCon PANDA 3.0 Pro Bifacial M10 Wafer Bifacial 80% 156 cells
The Yingli Solar YL645CF78 e/2 is a 645 W solar panel featuring TOPCon cell technology. Below are the verified electrical and thermal specifications extracted from the manufacturer datasheet.
Technical Specifications
Electrical Characteristics (STC)
Peak Power (Pmax) : 645 W
Open-Circuit Voltage (Voc) : 57.82 V
Max Power Voltage (Vmpp) : 47.89 V
Short-Circuit Current (Isc) : 14.1 A
Max Power Current (Impp) : 13.47 A
Number of Cells : 156
Temp. Coefficient Voc : -0.24 %/°C
Temp. Coefficient Isc : 0.042 %/°C
Temp. Coefficient Pmax : -0.29 %/°C
Max System Voltage : 1500 V
Nominal Cell Temperature (NOCT) : 42 °C
Cell Technology : TOPCon
Bifaciality Factor : 80%
Max Series Fuse : 30 A
Power Tolerance : +5%
Length : 2465 mm
Width : 1134 mm
Thickness : 30 mm
Weight : 34.5 kgOther Models in This Series Model Power Voc Isc
635 W 57.42 V 14.01 A
640 W 57.62 V 14.05 A YL645CF78 e/2 Current
Find compatible inverter See which inverters work with this panel