Vietnam Sunergy Joint Stock Company VSUN535-144M-BB

Mono-c-Si
535 W Pmax
49.5 V Voc
13.78 A Isc
41.5 V Vmp
12.9 A Imp
21.08 % eff.
0.7848 FF
72 cells

Same test data as VSUN535-144M and 3 other listings. CEC lists each frame, color and backsheet version as its own listing.

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 535.35 W
PTC Power PTC 493.8 W
Open-circuit voltage V_oc_ref 49.5 V
Short-circuit current I_sc_ref 13.78 A
Max-power voltage V_mp_ref 41.5 V
Max-power current I_mp_ref 12.9 A
Fill factor FF 0.7848 —
Efficiency (STC) η 21.08 %
Temperature Coefficients
Isc temperature coefficient alpha_sc 0.008268 A/°C
Voc temperature coefficient beta_oc -0.14454 V/°C
Pmax temperature coefficient gamma_r -0.379 %/°C
NOCT T_NOCT 46.5 °C
Single-Diode (De Soto) Parameters
Modified ideality factor a_ref 1.96221 V
Light-generated current (ref) I_L_ref 13.7929 A
Saturation current (ref) I_o_ref 1.49e-10 A
Series resistance R_s 0.15374 Ω
Shunt resistance (ref) R_sh_ref 164.554 Ω
Cells in series N_s 72 —
CEC Adjust factor Adjust 12.5072 %
Additional Model Sources
Source Model type Fit quality Citation
CEC module list (via SAM library) Default CEC / De Soto single-diode — https://www.energy.ca.gov/media/2367
Sandia PVsyst single-diode fit PVsyst single-diode NMBE Pmp0.5952 Sandia National Laboratories — PVsyst single-diode parameter translation. See data/pvsyst_params.README.md. https://pvpmc.sandia.gov/
Actions
Module Specifications
Technology Mono-c-Si
Bifacial No
BIPV No
Cells in series 72
Module area 2.54 m²
NOCT 46.5 °C
Temp. coefficient of Pmax -0.379 %/°C
Temp. coefficient of Voc -0.292 %/°C
Temp. coefficient of Isc 0.060 %/°C
CEC list On the 23 Jun 2026 list
Parameters from 16 Nov 2022 list
Measured Data
No measured data yet for this module.
Same Test Data

5 listings with identical nameplate test data, one per frame, color or backsheet version.

Related Models
Similar Modules

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

Was this page useful?

© 2026 PV Ivy. All Rights Reserved.