La Solar LLC LS390BL

Mono-c-Si

390 W Pmax

36.7 V Voc

13.59 A Isc

30.53 V Vmp

12.78 A Imp

19.91 % eff.

0.7823 FF

54 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	390.173	W
PTC Power	PTC	367.6	W
Open-circuit voltage	V_oc_ref	36.7	V
Short-circuit current	I_sc_ref	13.59	A
Max-power voltage	V_mp_ref	30.53	V
Max-power current	I_mp_ref	12.78	A
Fill factor	FF	0.7823	—
Efficiency (STC)	η	19.91	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.005585	A/°C
Voc temperature coefficient	beta_oc	-0.109109	V/°C
Pmax temperature coefficient	gamma_r	-0.3263	%/°C
NOCT	T_NOCT	43.2	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.33128	V
Light-generated current (ref)	I_L_ref	13.6057	A
Saturation current (ref)	I_o_ref	1.42e-11	A
Series resistance	R_s	0.15741	Ω
Shunt resistance (ref)	R_sh_ref	136.224	Ω
Cells in series	N_s	18	—
CEC Adjust factor	Adjust	-8.3351	%

The CEC list gives 18 cells in series, which puts 2.04 V on each cell. A silicon cell gives 0.55 to 0.80 V, so PV Ivy uses 54 cells in series for the .PAN file and Similar Modules, found from the CEC count times 3 (it counts one bypass substring).

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Module Specifications

Technology Mono-c-Si

Bifacial No

BIPV No

Cells in series 54 (inferred, CEC lists 18)

Module area 1.96 m²

NOCT 43.2 °C

Temp. coefficient of Pmax -0.326 %/°C

Temp. coefficient of Voc -0.297 %/°C

Temp. coefficient of Isc 0.041 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 23 Jun 2026 list

Measured Data

No measured data yet for this module.

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