CSI Solar Co. Ltd. CS6W-535MB

Mono-c-Si Bifacial

535 W Pmax

49.0 V Voc

13.85 A Isc

41.1 V Vmp

13.02 A Imp

21.15 % eff.

0.7885 FF

72 cells

Same test data as CS6W-535MB-AG. 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	535.122	W
PTC Power	PTC	503.6	W
Open-circuit voltage	V_oc_ref	49.0	V
Short-circuit current	I_sc_ref	13.85	A
Max-power voltage	V_mp_ref	41.1	V
Max-power current	I_mp_ref	13.02	A
Fill factor	FF	0.7885	—
Efficiency (STC)	η	21.15	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.009363	A/°C
Voc temperature coefficient	beta_oc	-0.125832	V/°C
Pmax temperature coefficient	gamma_r	-0.3205	%/°C
NOCT	T_NOCT	44.4	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.80958	V
Light-generated current (ref)	I_L_ref	13.86363	A
Saturation current (ref)	I_o_ref	2.36e-11	A
Series resistance	R_s	0.17224	Ω
Shunt resistance (ref)	R_sh_ref	175.029	Ω
Cells in series	N_s	72	—
CEC Adjust factor	Adjust	10.1524	%

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 Pmp-0.091	Sandia National Laboratories — PVsyst single-diode parameter translation. See data/pvsyst_params.README.md. https://pvpmc.sandia.gov/

Actions

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Module Specifications

Technology Mono-c-Si

Bifacial Yes

BIPV No

Cells in series 72

Module area 2.53 m²

NOCT 44.4 °C

Temp. coefficient of Pmax -0.321 %/°C

Temp. coefficient of Voc -0.257 %/°C

Temp. coefficient of Isc 0.068 %/°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.

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