Tongwei TWMNH-66HD620

620 WTOPConTW Solar Gen 1Dual GlassHalf-CellBifacial 80%132 cells

The Tongwei TWMNH-66HD620 is a 620 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): : 620 W
Open-Circuit Voltage (Voc): : 49.1 V
Max Power Voltage (Vmpp): : 40.82 V
Short-Circuit Current (Isc): : 16.06 A
Max Power Current (Impp): : 15.19 A
Number of Cells: : 132

Temperature

Temp. Coefficient Voc: : -0.24 %/°C
Temp. Coefficient Isc: : 0.046 %/°C
Temp. Coefficient Pmax: : -0.28 %/°C
Max System Voltage: : 1,500 V
Nominal Cell Temperature (NOCT): : 45 °C
Cell Technology: : TOPCon
Bifaciality Factor: : 80%
Max Series Fuse: : 30 A
Power Tolerance: : +3%

Physical

Length: : 2,382 mm
Width: : 1,134 mm
Thickness: : 30 mm
Weight: : 32.5 kg

Datasheet

Download PDF4.5 MB

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Other Models in This Series

Model	Power	Voc	Isc
TWMNH-66HD610	610 W	48.7 V	15.94 A
TWMNH-66HD615	615 W	48.9 V	16 A
TWMNH-66HD620Current	620 W	49.1 V	16.06 A
TWMNH-66HD625	625 W	49.3 V	16.12 A
TWMNH-66HD630	630 W	49.5 V	16.18 A

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