JA Solar JAM66D50-670/GB

The JA Solar JAM66D50-670/GB is a 670 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)670 W

Open-Circuit Voltage (Voc)50.41 V

Max Power Voltage (Vmpp)41.93 V

Short-Circuit Current (Isc)16.78 A

Max Power Current (Impp)15.98 A

Number of Cells198

Temperature & Physical

Temp. Coefficient Voc-0.25 %/°C

Temp. Coefficient Isc0.045 %/°C

Temp. Coefficient Pmax-0.29 %/°C

Max System Voltage1500 V

Nominal Cell Temperature (NOCT)45 °C

Cell TechnologyTOPCon

Bifaciality Factor80%

Max Series Fuse30 A

Power Tolerance+3%

Other Models in This Series

Model	Power	Voc	Isc
JAM66D50-645/GB	645 W	49.96 V	16.53 A
JAM66D50-650/GB	650 W	50.05 V	16.58 A
JAM66D50-655/GB	655 W	50.14 V	16.63 A
	660 W	50.23 V	16.68 A
	665 W	50.32 V	16.73 A
JAM66D50-670/GBCurrent	670 W	50.41 V	16.78 A

Technical Specifications

Electrical Characteristics (STC)

Temperature & Physical

Datasheet

Other Models in This Series