Tongwei TWMNH-66HD620

620 WTW Solar Gen 1Dual GlassHalf-CellTOPConBifacial 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 Cells132

Temperature & Physical

Temp. Coefficient Voc-0.24 %/°C

Temp. Coefficient Isc0.046 %/°C

Temp. Coefficient Pmax-0.28 %/°C

Max System Voltage1500 V

Nominal Cell Temperature (NOCT)45 °C

Datasheet

Download PDF4.5 MB

Other Models in This Series

Model	Power	Voc	Isc
	610 W	48.7 V	15.94 A
	615 W	48.9 V	16 A
TWMNH-66HD620Current