TCL Zhonghuan HSM-ND66-GR640 — 640W TOPCon Solar Panel | Solar Stack
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Tools Resources Legal Solar Panels TCL Zhonghuan HSM-ND66-GR610-630 HSM-ND66-GR640 TCL Zhonghuan HSM-ND66-GR640 640 W TOPCon HSM ND Bifacial 85% 66 cells
The TCL Zhonghuan HSM-ND66-GR640 is a 640 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) : 640 W
Open-Circuit Voltage (Voc) : 48.3 V
Max Power Voltage (Vmpp) : 40.1 V
Short-Circuit Current (Isc) : 17.19 A
Max Power Current (Impp) : 15.96 A
Number of Cells : 66
Temp. Coefficient Voc : -0.24 %/°C
Temp. Coefficient Isc : 0.045 %/°C
Temp. Coefficient Pmax : -0.3 %/°C
Max System Voltage : 1500 V
Nominal Cell Temperature (NOCT) : 45 °C
Cell Technology : TOPCon
Bifaciality Factor : 85%
Max Series Fuse : 30 A
Power Tolerance : +3%
Length : 2382 mm
Width : 1134 mm
Thickness : 30 mm
Weight : 32.6 kgOther Models in This Series Model Power Voc Isc
610 W 48.5 V 15.95 A
615 W 48.72 V 16 A
620 W 48.94 V
HSM-ND66-GR640 Current
640 W 48.3 V 17.19 A
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