LONGi LR8-66HVDF-640M

640 WHi-MO X10Anti-DustAnti-DustHPBCBifacial 75%132 cells

The LONGi LR8-66HVDF-640M is a 640 W solar panel featuring HPBC 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)49.52 V

Max Power Voltage (Vmpp)40.78 V

Short-Circuit Current (Isc)16.38 A

Max Power Current (Impp)15.69 A

Number of Cells132

Temperature & Physical

Temp. Coefficient Voc-0.2 %/°C

Temp. Coefficient Isc0.05 %/°C

Temp. Coefficient Pmax-0.26 %/°C

Max System Voltage1500 V

Nominal Cell Temperature (NOCT)45 °C

Datasheet

Hi-MO_X10_Guardian_Anti-Dust_LR8-66HVDF_640-670M.pdf10.7 MB LR8-66HVDF_640-670M.pdf10.7 MB

Other Models in This Series

Model	Power	Voc	Isc
LR8-66HVDF-640MCurrent	640 W	49.52 V	16.38 A
	645 W	49.62 V