Tongwei TWMNH-66HD645

645 WTW Solar Gen 2Dual GlassHalf-CellTOPConBifacial 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 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 PDF4.2 MB

Other 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-66HD645Current