Tongwei TWMNH-66HD645 — 645W TOPCon Solar Panel | Solar Stack
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Tools Resources Legal Solar Panels Tongwei TNC 2 0-G12R-66 DUAL-GLASS TWMNH-66HD645 Tongwei TWMNH-66HD645 645 W TOPCon TW Solar Gen 2 Dual Glass Half-Cell Bifacial 80% 132 cells
The Tongwei TWMNH-66HD645 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) : 49.85 V
Max Power Voltage (Vmpp) : 41.51 V
Short-Circuit Current (Isc) : 16.39 A
Max Power Current (Impp) : 15.54 A
Number of Cells : 132
Temp. Coefficient Voc : -0.24 %/°C
Temp. Coefficient Isc : 0.046 %/°C
Temp. Coefficient Pmax : -0.28 %/°C
Max System Voltage : 1500 V
Nominal Cell Temperature (NOCT) : 45 °C
Cell Technology : TOPCon
Bifaciality Factor : 80%
Max Series Fuse : 30 A
Power Tolerance : +3%
Length : 2382 mm
Width : 1134 mm
Thickness : 30 mm
Weight : 32.2 kgOther Models in This Series Model Power Voc Isc
635 W 49.6 V 16.26 A
640 W 49.75 V 16.33 A TWMNH-66HD645 Current
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