Shenglong PV-tech (Cambodia) Co. LTD GLSM420M-78H-V

Mono-c-Si

420 W Pmax

53.1 V Voc

10.2 A Isc

43.5 V Vmp

9.65 A Imp

19.71 % eff.

0.775 FF

78 cells

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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	419.775	W
PTC Power	PTC	393.5	W
Open-circuit voltage	V_oc_ref	53.1	V
Short-circuit current	I_sc_ref	10.2	A
Max-power voltage	V_mp_ref	43.5	V
Max-power current	I_mp_ref	9.65	A
Fill factor	FF	0.775	—
Efficiency (STC)	η	19.71	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.004896	A/°C
Voc temperature coefficient	beta_oc	-0.149211	V/°C
Pmax temperature coefficient	gamma_r	-0.36	%/°C
NOCT	T_NOCT	43.1	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	2.0062	V
Light-generated current (ref)	I_L_ref	10.3171	A
Saturation current (ref)	I_o_ref	3.23e-11	A
Series resistance	R_s	0.35946	Ω
Shunt resistance (ref)	R_sh_ref	245.038	Ω
Cells in series	N_s	52	—
CEC Adjust factor	Adjust	5.954	%

The CEC list gives 52 cells in series, which puts 1.02 V on each cell. A silicon cell gives 0.55 to 0.80 V, so PV Ivy uses 78 cells in series for the .PAN file and Similar Modules, found from the model name (78 cells).

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 78 (inferred, CEC lists 52)

Module area 2.13 m²

NOCT 43.1 °C

Temp. coefficient of Pmax -0.360 %/°C

Temp. coefficient of Voc -0.281 %/°C

Temp. coefficient of Isc 0.048 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 16 Nov 2022 list

Measured Data

No measured data yet for this module.

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