Aptos Solar Technology LLC DNA-108-BFN10-425W-DG

Mono-c-Si Bifacial

425 W Pmax

38.6 V Voc

13.64 A Isc

32.7 V Vmp

13.01 A Imp

21.93 % eff.

0.808 FF

54 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	425.427	W
PTC Power	PTC	403.3	W
Open-circuit voltage	V_oc_ref	38.6	V
Short-circuit current	I_sc_ref	13.64	A
Max-power voltage	V_mp_ref	32.7	V
Max-power current	I_mp_ref	13.01	A
Fill factor	FF	0.808	—
Efficiency (STC)	η	21.93	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.006547	A/°C
Voc temperature coefficient	beta_oc	-0.084148	V/°C
Pmax temperature coefficient	gamma_r	-0.301	%/°C
NOCT	T_NOCT	43.2	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.3504	V
Light-generated current (ref)	I_L_ref	13.64349	A
Saturation current (ref)	I_o_ref	5.23e-12	A
Series resistance	R_s	0.12307	Ω
Shunt resistance (ref)	R_sh_ref	480.595	Ω
Cells in series	N_s	54	—
CEC Adjust factor	Adjust	15.2274	%

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Module Specifications

Technology Mono-c-Si

Bifacial Yes

BIPV No

Cells in series 54

Module area 1.94 m²

NOCT 43.2 °C

Temp. coefficient of Pmax -0.301 %/°C

Temp. coefficient of Voc -0.218 %/°C

Temp. coefficient of Isc 0.048 %/°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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