Boviet Solar Technology Co. Ltd. BVM8611M-640R-H-HC-BF

Mono-c-Si Bifacial

641 W Pmax

49.45 V Voc

16.17 A Isc

42.31 V Vmp

15.14 A Imp

25.42 % eff.

0.8011 FF

66 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	640.573	W
PTC Power	PTC	610.8	W
Open-circuit voltage	V_oc_ref	49.45	V
Short-circuit current	I_sc_ref	16.17	A
Max-power voltage	V_mp_ref	42.31	V
Max-power current	I_mp_ref	15.14	A
Fill factor	FF	0.8011	—
Efficiency (STC)	η	25.42	%
Temperature Coefficients
Isc temperature coefficient	alpha_sc	0.006031	A/°C
Voc temperature coefficient	beta_oc	-0.108691	V/°C
Pmax temperature coefficient	gamma_r	-0.2919	%/°C
NOCT	T_NOCT	43.0	°C
Single-Diode (De Soto) Parameters
Modified ideality factor	a_ref	1.71528	V
Light-generated current (ref)	I_L_ref	16.18654	A
Saturation current (ref)	I_o_ref	4.74e-12	A
Series resistance	R_s	0.10564	Ω
Shunt resistance (ref)	R_sh_ref	103.255	Ω
Cells in series	N_s	66	—
CEC Adjust factor	Adjust	12.0342	%

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Module Specifications

Technology Mono-c-Si

Bifacial Yes

BIPV No

Cells in series 66

Module area 2.52 m²

NOCT 43.0 °C

Temp. coefficient of Pmax -0.292 %/°C

Temp. coefficient of Voc -0.220 %/°C

Temp. coefficient of Isc 0.037 %/°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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