LONGi Green Energy Technology Co. Ltd. LR4-72HIH-445M

Mono-c-Si

444.96 W Pmax

49.8 V Voc

11.4 A Isc

41.2 V Vmp

10.8 A Imp

20.51 % eff.

0.7838 FF

72 cells

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

IV Curves — 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

Parameter	Symbol	Value	Unit
Nameplate (STC)
STC Power	STC	444.96	W
PTC Power	PTC	415.1	W
Open-circuit voltage	V_oc_ref	49.8	V
Short-circuit current	I_sc_ref	11.4	A
Max-power voltage	V_mp_ref	41.2	V
Max-power current	I_mp_ref	10.8	A
Fill factor	FF	0.7838	—
Efficiency (STC)	η	20.51	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.00456	A/°C
Voc temperature coefficient	beta_oc	-0.133962	V/°C
Pmax temperature coefficient	gamma_r	-0.34	%/°C
NOCT	T_NOCT	45.6	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.8192	V
Light-generated current (ref)	I_L_ref	11.4069	A
Saturation current (ref)	I_o_ref	—	A
Series resistance	R_s	0.27442	Ω
Shunt resistance (ref)	R_sh_ref	455.156	Ω
Cells in series	N_s	72	—
CEC Adjust factor	Adjust	3.0238	%

Actions

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 72

Module area 2.17 m²

NOCT 45.6 °C

CEC listing date 11/16/2022

Annual degradation 0.55%/yr

Measured Data

No measured data yet for this module.