ET SOLAR POWER HONGKONG LIMITED ET-N778TBH625GL

Mono-c-Si

625 W Pmax

56.29 V Voc

13.69 A Isc

48.27 V Vmp

12.95 A Imp

22.32 % eff.

0.8112 FF

78 cells

Same test data as ET-N778TBH625GB. 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	625.096	W
PTC Power	PTC	593.4	W
Open-circuit voltage	V_oc_ref	56.29	V
Short-circuit current	I_sc_ref	13.69	A
Max-power voltage	V_mp_ref	48.27	V
Max-power current	I_mp_ref	12.95	A
Fill factor	FF	0.8112	—
Efficiency (STC)	η	22.32	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.005983	A/°C
Voc temperature coefficient	beta_oc	-0.124232	V/°C
Pmax temperature coefficient	gamma_r	-0.2974	%/°C
NOCT	T_NOCT	43.4	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.9723	V
Light-generated current (ref)	I_L_ref	13.69736	A
Saturation current (ref)	I_o_ref	5.42e-12	A
Series resistance	R_s	0.12947	Ω
Shunt resistance (ref)	R_sh_ref	240.853	Ω
Cells in series	N_s	78	—
CEC Adjust factor	Adjust	14.2244	%

Actions

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 78

Module area 2.8 m²

NOCT 43.4 °C

Temp. coefficient of Pmax -0.297 %/°C

Temp. coefficient of Voc -0.221 %/°C

Temp. coefficient of Isc 0.044 %/°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 %.