ET SOLAR POWER HONGKONG LIMITED ET-N866TBH685GL

Mono-c-Si

685 W Pmax

47.96 V Voc

18.22 A Isc

39.52 V Vmp

17.34 A Imp

22.03 % eff.

0.7842 FF

66 cells

Same test data as ET-N866TBH685GB. CEC lists each frame, color and backsheet version as its own listing.

IV & PV Curves at STC (1000 W/m², 25 °C)

IV Curves at Multiple Conditions

Irradiance sweep at 25 °C

Temperature sweep at 1000 W/m²

Single-Diode Model Parameters

Source: California Energy Commission module list · retrieved via SAM library · energy.ca.gov · All data sources

Parameter	Symbol	Value	Unit
Nameplate (STC)
STC Power	STC	685.277	W
PTC Power	PTC	650.0	W
Open-circuit voltage	V_oc_ref	47.96	V
Short-circuit current	I_sc_ref	18.22	A
Max-power voltage	V_mp_ref	39.52	V
Max-power current	I_mp_ref	17.34	A
Fill factor	FF	0.7842	—
Efficiency (STC)	η	22.03	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.008327	A/°C
Voc temperature coefficient	beta_oc	-0.10815	V/°C
Pmax temperature coefficient	gamma_r	-0.2991	%/°C
NOCT	T_NOCT	43.4	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.65406	V
Light-generated current (ref)	I_L_ref	18.22808	A
Saturation current (ref)	I_o_ref	4.63e-12	A
Series resistance	R_s	0.18756	Ω
Shunt resistance (ref)	R_sh_ref	422.769	Ω
Cells in series	N_s	66	—
CEC Adjust factor	Adjust	7.6819	%

Actions

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 66

Module area 3.11 m²

NOCT 43.4 °C

Temp. coefficient of Pmax -0.299 %/°C

Temp. coefficient of Voc -0.226 %/°C

Temp. coefficient of Isc 0.046 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 23 Jun 2026 list

Measured Data

No measured data yet for this module.

Same Test Data

2 listings with identical nameplate test data, one per frame, color or backsheet version.

Similar Modules

Other manufacturers, same technology and cell count, power within 3 %.