ET SOLAR POWER HONGKONG LIMITED ET-NR66TBH595GB

Mono-c-Si

595 W Pmax

48.1 V Voc

15.76 A Isc

39.97 V Vmp

14.89 A Imp

22.04 % eff.

0.7851 FF

66 cells

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	595.153	W
PTC Power	PTC	565.3	W
Open-circuit voltage	V_oc_ref	48.1	V
Short-circuit current	I_sc_ref	15.76	A
Max-power voltage	V_mp_ref	39.97	V
Max-power current	I_mp_ref	14.89	A
Fill factor	FF	0.7851	—
Efficiency (STC)	η	22.04	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.006714	A/°C
Voc temperature coefficient	beta_oc	-0.104569	V/°C
Pmax temperature coefficient	gamma_r	-0.2956	%/°C
NOCT	T_NOCT	43.2	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.65512	V
Light-generated current (ref)	I_L_ref	15.77648	A
Saturation current (ref)	I_o_ref	3.71e-12	A
Series resistance	R_s	0.19432	Ω
Shunt resistance (ref)	R_sh_ref	185.802	Ω
Cells in series	N_s	66	—
CEC Adjust factor	Adjust	11.1128	%

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 66

Module area 2.7 m²

NOCT 43.2 °C

Temp. coefficient of Pmax -0.296 %/°C

Temp. coefficient of Voc -0.217 %/°C

Temp. coefficient of Isc 0.043 %/°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

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