Energy America LLC EA-ZLK7-SHDB144-550/M

Mono-c-Si Bifacial

550 W Pmax

50.2 V Voc

13.89 A Isc

41.9 V Vmp

13.13 A Imp

21.32 % eff.

0.789 FF

72 cells

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	550.147	W
PTC Power	PTC	514.9	W
Open-circuit voltage	V_oc_ref	50.2	V
Short-circuit current	I_sc_ref	13.89	A
Max-power voltage	V_mp_ref	41.9	V
Max-power current	I_mp_ref	13.13	A
Fill factor	FF	0.789	—
Efficiency (STC)	η	21.32	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.008751	A/°C
Voc temperature coefficient	beta_oc	-0.132026	V/°C
Pmax temperature coefficient	gamma_r	-0.33	%/°C
NOCT	T_NOCT	45.5	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.86	V
Light-generated current (ref)	I_L_ref	13.89939	A
Saturation current (ref)	I_o_ref	2.55e-11	A
Series resistance	R_s	0.19218	Ω
Shunt resistance (ref)	R_sh_ref	284.408	Ω
Cells in series	N_s	72	—
CEC Adjust factor	Adjust	8.2247	%

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Module Specifications

Technology Mono-c-Si

Bifacial Yes

BIPV No

Cells in series 72

Module area 2.58 m²

NOCT 45.5 °C

Temp. coefficient of Pmax -0.330 %/°C

Temp. coefficient of Voc -0.263 %/°C

Temp. coefficient of Isc 0.063 %/°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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