The 2w solar panel: This is to be a smart, handy tool

This 2w solar panel is to make life easier. This Coleman 2 Watt Solar Battery Maintainer can maintain  your 12-volt battery. This is  by utilizing the sun’s energy.

 The thin film solar module charges the batteries in varying weather conditions.  Ranging from a low -40 degrees up to 80 degrees Celsius.

It comes with a plug for your 12v accessory hole. They also supply a set of battery clamps to connect it to your battery if required.

Suction cups are also included to mount it on your windshield.

There is a small blue LED on the panel to indicate state of charging.  A 2, 4-meter wire is also included. 

It keeps trickle charging the 12-volt batteries.

It works and it never fails you. It is a pleasure to be aware of this handy tool.

2W solar panel specs


Max Power:

 Operating V:

 Operating Current :

2 Watt.








                       A 5-year limited-warranty.


Maintain batteries of;




Tractors and more.

It maintains. It is not meant to be a battery charger.

1.06 lbs.

13.9 x 4.9 x 0.6 inches.

Thin Film.

                      How to use the 2w solar panel

Either connect the solar panel to your 12-volt socket in the vehicle. Or you can connect to a 12-volt battery via battery clamps.

It is possible to use the suction cups to stick the panel to the window. It works well, but some people prefer not to use it. They put the panel flat on the dashboard. This also works well.

You do not need a charge controller. This is  because the output is much less than 15 watts.

The 2w solar battery can ideally  maintain  12-volt batteries.

Connect and use it  to trickle charge. It will  maintain your battery through the winter time. It will operate safely without any problems. 

Inside Garage Window.

When storing your vehicle for a long time you use the solar battery maintainer. Expose your solar panel maintainer to a good source of sunlight.  You can mount it to  a window. Now your battery will remain charged for the year.

This handy tool will ensure a healthy battery. Also while you keep the vehicle indoors.

Use this 2w solar panel for various applications. It can maintain the batteries of vehicles, tractors, marine, fence energizers and many more.

Advantages of the the 2 watt solar module

  • They manufacture it with strong ABS plastic as well as shatterproof tempered glass.
  • It is compact, which makes it easy to store while in transport.
  • The 2 watt solar panel can charge in different weather conditions, even when cloudy.
  • Simple fast connect and disconnect.
  •  A blocking diode brings overcharge and discharge protection.
  • It has  a 5 year warranty.


  • Do not mount it outside it will not last long. Leave it inside the vehicle, exposing it to direct sunshine.
  • Some people have experienced that the suction cups do not hold on a vertical service. You can leave it on the dashboard though, it still performs well enough.

Important facts about the 2w solar panel

  • Remember the solar module is only a battery maintainer. It maintains charge and offsets natural voltage loss of the battery.
  • You do not need a controller. This  is because the output is very low.
  • It shall not overcharge a 12-volt automobile battery. Only from 10 watts and more, you need a charge controller.

Maintaining the 2w solar panel

  • Make use of a clean damp cloth to keep the glass clean.

In a conclusion

This 2w solar panel is good to keep your batteries up and always ready to operate.

Short and sweet: This is a very good product @ a fair price.

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 If you purchase a product through a link on this page, I do get a small   percentage  of commission at no extra cost to you.

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