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Spectra Semiflex Pro 50w Solar Panel

  • Spectra Semiflex Pro 50w Panel
  • Spectra Semiflex Pro 50w Panel Cable Box


If you have a boat, campervan, holiday home or even professional equipment that relies on battery power for lighting, computers or small appliances then you know how frustrating it can be to find discharged batteries.

Spectra solar panels are ideal for maintaining and replacing natural discharge in 12V deep cycle batteries for leisure and light professional applications. Once installed, the solar panel works quietly and efficiently at recharging without any effort on your part. 

Key Features

 Coated with market leading brand DuPont ETFE for enhanced non slip and flexible design.

 Panels are semi-flexible so can be slightly flexed without cell damage unlike conventional panels .

 Corners are rounded with cut out eyelets for safe and easy installation.

 Lightweight, ultra flat, extremely robust, scratchproof, and sea/salt water resistant.

 Built in blocking diode and 3M twin core cable included.


Nominal voltage - 12v

Number of cells - 36

Model CA-10/455
Cell Size 161 x 161mm / SunPower Solar Cell
Cable Length 3m
Size (mm) 570 x 520 x 4.3mm
Tolerance 0~ +3%
Nominal Peak Power (WP) 50W
Vmp (V) 21V
Ipm  (A) 2.38A
Voc   (V) 25.2V
Isc    (A) 2.57A
Efficiency 22.50%
Power Temperature Coefficient   -0.24%/ºC
Voltage Temperature Coefficient -0.25%/ºC
Current Temperature Coefficient -0.06%/ºC
NOCT 45+2ºC
Max System Voltage 300V DC
Certification UKCA, CE, ROHS,ISO9001:2015,
N.G  1.80 kg
G.W 2.50 kg

*Can also be used with MPPT charge controllers*

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