Shanghai Aerospace Automobile Electromechanical Co. Ltd. HT72-18X-550 [Clr]

Mono-c-Si Bifacial

551 W Pmax

49.8 V Voc

14.0 A Isc

42.0 V Vmp

13.12 A Imp

21.28 % eff.

0.7904 FF

72 cells

Download .PAN for PVsyst Open in PV Explorer Compare with a similar module Soiling and off-MPP calculators

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	551.04	W
PTC Power	PTC	507.8	W
Open-circuit voltage	V_oc_ref	49.8	V
Short-circuit current	I_sc_ref	14.0	A
Max-power voltage	V_mp_ref	42.0	V
Max-power current	I_mp_ref	13.12	A
Fill factor	FF	0.7904	—
Efficiency (STC)	η	21.28	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.00476	A/°C
Voc temperature coefficient	beta_oc	-0.12699	V/°C
Pmax temperature coefficient	gamma_r	-0.387	%/°C
NOCT	T_NOCT	46.0	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.94152	V
Light-generated current (ref)	I_L_ref	14.1585	A
Saturation current (ref)	I_o_ref	9.91e-11	A
Series resistance	R_s	0.13538	Ω
Shunt resistance (ref)	R_sh_ref	103.226	Ω
Cells in series	N_s	144	—
CEC Adjust factor	Adjust	24.8999	%

The CEC list gives 144 cells in series, which puts 0.35 V on each cell. A silicon cell gives 0.55 to 0.80 V, so PV Ivy uses 72 cells in series for the .PAN file and Similar Modules, found from the model name (72 cells).

Actions

Open in PV Explorer Generate PAN File Datasheet not on file CEC Source Data

Module Specifications

Technology Mono-c-Si

Bifacial Yes

BIPV No

Cells in series 72 (inferred, CEC lists 144)

Module area 2.59 m²

NOCT 46.0 °C

Temp. coefficient of Pmax -0.387 %/°C

Temp. coefficient of Voc -0.255 %/°C

Temp. coefficient of Isc 0.034 %/°C

CEC list On the 23 Jun 2026 list

Parameters from 16 Nov 2022 list

Measured Data

No measured data yet for this module.

Similar Modules

Other manufacturers, same technology and cell count, power within 3 %.