LONGi Green Energy Technology Co. Ltd. LR4-72HIH-420M

Mono-c-Si
420.09 W Pmax
48.8 V Voc
11.04 A Isc
40.2 V Vmp
10.45 A Imp
19.36 % eff.
0.7797 FF
72 cells
IV curves not yet precomputed for this module. Run python manage.py precompute_iv_curves to generate them.
CEC Single-Diode Model Parameters
Parameter Symbol Value Unit
Nameplate (STC)
STC Power STC 420.09 W
PTC Power PTC 391.2 W
Open-circuit voltage V_oc_ref 48.8 V
Short-circuit current I_sc_ref 11.04 A
Max-power voltage V_mp_ref 40.2 V
Max-power current I_mp_ref 10.45 A
Fill factor FF 0.7797
Efficiency (STC) η 19.36 %
Temperature Coefficients
Isc temperature coefficient alpha_sc 0.004416 A/°C
Voc temperature coefficient beta_oc -0.131272 V/°C
Pmax temperature coefficient gamma_r -0.34 %/°C
NOCT T_NOCT 45.6 °C
CEC Single-Diode (De Soto) Parameters
Modified ideality factor a_ref 1.77958 V
Light-generated current (ref) I_L_ref 11.0476 A
Saturation current (ref) I_o_ref A
Series resistance R_s 0.29661 Ω
Shunt resistance (ref) R_sh_ref 430.944 Ω
Cells in series N_s 72
CEC Adjust factor Adjust 2.6246 %
Actions
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
Related Models

© 2026 PV Ivy. All Rights Reserved.