40W Solar Panel

40W Solar Panel
40W Solar Panel 40W Solar Panel 40W Solar Panel 40W Solar Panel 40W Solar Panel
Product Code: VSP40W
Availability: In Stock
Price: £69.95
Ex-VAT: £58.29
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This is a good quality 40W panel at a great price and is ideal for multitude of battery charging duties. Its long oblong shape shape can extend mounting position options and may be good option where a squarer panel will not fit. 

  • oblong 40W advanced solar panel
  • built in by-pass diode minimises power loss when in partial shade
  • maintenance / charging of car, boat, camper van, caravan, tractor and all vehicle 12V vehicle batteries
  • maintenance / charging of leisure batteries
  • off-grid lighting and power projects
  • off-grid telecommunications projects

40W 12V Solar Panel Features

  • Good quality glass fronted solar panel with sturdy aluminium frame
  • Comes fitted with blocking diode
  • Easy access junction box on back of panel with screw terminals connections for simple wiring 
  • Fully weatherproof
  • Highly efficient
  • Will work in all light conditions (output will reduce in cloudy conditions but the panel will continue to create power)
  • Ideal for battery maintenance on boats, caravans and vehicles, solar trickle charging of 12V batteries and for small solar power and lighting projects.

Blocking Diode

This 40W solar panel is not fitted with a blocking diode as in most cases a panel of this size will be used with a solar charge controller. Please contact us if you are not sure what you require. 

Do I need a solar charge controller / solar regulator?

It is possible for solar panels to damage a battery through overcharging in some circumstances. Power can also flow back from the battery to the solar panel at night.

With a 40W solar panel in most cases you should use a solar charge controller (solar regulator). The Solsum 6.6F is ideal as it is simple robust and good value. 

If you are not sure what you require or need a little technical guidance please contact us and we will provide simple help and advice on the best system for you in plain English!

12V & 24V Battery Charging

This 40W solar panel can be used for direct charging of 12V DC batteries on it's own or can be connected in series with a second panel to charge 24V batteries. Strings of panels can be connected to increase ouput for 12V or 24V charging duties - please contact us for advice on how to configure.

Everything you need!

We can supply everything you need to connect your solar panel to your battery and complete your project - please browse the site for 12V DC 2 Core Cable, in-line fuses, cable connectors, quick release battery terminal clamps etc.

Free Technical Help!

All our products are supplied with free technical help via phone and/or e-mail if required.


885mm L x 336mm W x 35mm D 


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Willgen, Church Farm, Wartnaby, Melton Mowbray, Leicestershire, LE14 3HU
VAT Number 350339081
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