Jinko Solar Co. Ltd JKM440M-78H

Mono-c-Si

440 W Pmax

51.7 V Voc

10.77 A Isc

43.65 V Vmp

10.08 A Imp

21.05 % eff.

0.7902 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	439.992	W
PTC Power	PTC	404.7	W
Open-circuit voltage	V_oc_ref	51.7	V
Short-circuit current	I_sc_ref	10.77	A
Max-power voltage	V_mp_ref	43.65	V
Max-power current	I_mp_ref	10.08	A
Fill factor	FF	0.7902	—
Efficiency (STC)	η	21.05	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.005027	A/°C
Voc temperature coefficient	beta_oc	-0.162927	V/°C
Pmax temperature coefficient	gamma_r	-0.419	%/°C
NOCT	T_NOCT	45.2	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	2.12006	V
Light-generated current (ref)	I_L_ref	10.77742	A
Saturation current (ref)	I_o_ref	2.71e-10	A
Series resistance	R_s	0.1567	Ω
Shunt resistance (ref)	R_sh_ref	227.545	Ω
Cells in series	N_s	26	—
CEC Adjust factor	Adjust	11.6569	%

The CEC list gives 26 cells in series, which puts 1.99 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 26)

Module area 2.09 m²

NOCT 45.2 °C

Temp. coefficient of Pmax -0.419 %/°C

Temp. coefficient of Voc -0.315 %/°C

Temp. coefficient of Isc 0.047 %/°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.

JKM440M-78H Main listing, this page
JKM440M-78H-V

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