The 1watt solar panel to be a handy tool

Coleman 1 Watt Solar Panel.

This 1 watt solar panel is to make life easier. They call it the Coleman 1 W Solar Battery Maintainer, because this is exactly what it does.

It maintains your 12-volt battery charge by utilizing the sun’s energy.

The thin film (amorphous) panel charges the batteries in varying weather conditions. It can range from -40 degrees up to 80 degrees Celsius.

They supply a set of battery clamps to connect it to your battery if required. Also an O-ring connector as well as a fuse..

Coming with it is an eight feet wire connection to the panel itself. As well as eight feet extra wire.

What a smart piece of equipment. It keeps on trickle charging your 12-volt batteries.

It works and it never fails you. What a pleasure to be aware of such a life saver.

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The 1 watt solar panel Specs


Maximum Power:

Operating Voltage:

Operating Current:


12 Volt.






  • It comes with a 5 year warranty for power output from date of sale.
  • It also gives a 2 year warranty. That ensures  the product to be free from defects in materials as well as workmanship.


Maintain 12 volt  batteries of;





Tractors and more.


13.9 x 3.93 x 0.51inches.

How to use the module

Using alligator clips or O-rings to connect.

You can use the battery clamps to connect to your 12-volt battery. Alternatively you can use the O-rings to make the connection.

You can  put the panel on the dashboard or any other place that works well.

It is not necessary to use a charge controller because the output is way below 15 watts.

Where and when to use the 1 watt solar panel

The 1 watt solar battery maintainer is ideal to maintain all 12-volt batteries.

Connect it to act as a trickle charger. It will keep your battery charged and healthy and ready to use for the whole duration of winter.

You will not experience any problems.

It sometimes happens that you store your vehicle for a long time. You can expose your solar battery maintainer to a good source of sunlight. Put it against a window and you will ensure that your battery will remain charged for the year.

The frustration killer will ensure a healthy battery. Even while you keep the vehicle indoors.

You can use the 1 watt solar panel for many applications. It maintains the batteries of snowmobiles, cars, and motorcycles. Also boats, tractors fence energizers and many more.


  • The panel comes with strong ABS plastic and shatterproof tempered glass.
  • It is compact and easy to store while underway.
  • The 1 watt solar panel is waterproof and it charges in all weather conditions, even on cloudy days. This amorphous solar panel works in clear and not so clear daylight conditions. It even works on cloudy days!
  • It is quick and easy to connect and disconnect.
  • The 1 watt panel is overcharge and discharge protected by making use of a build in blocking diode.
  • It also comes with a five-year warranty.
  • Installation is easy and it does not need any maintenance, except to keep it clean. A clean surface ensures largest output.


  • There is no LED that indicates that the 1 watt solar  panel operates . You have to use a volt meter to check.

  • An extended cable will cause a voltage drop. That could prevent proper trickle charging the battery. 
  • Remember this charger is enough to top up a battery, but it is not a battery charger. It is only a maintainer.

Important facts to mention

  • Remember the solar battery maintainer is not a battery charger. It maintains the existing charge and it will offset the natural voltage loss of the battery.

  • To charge a battery you need a proper battery charger.
  • As long as the battery has a full charge it will maintain the battery and it will keep it charged. Also during long periods that you do not use your vehicle.
  • A charge controller is not needed because the output is very low at 1 watt.

            --- You do not need a charge controller below 15 watt.—

  • The 1 watt solar panel will not overcharge a 12-volt automobile battery.
  • When not in use pack and store it proper. One person caused damage to it when he left it lying loose in the glove box of his truck.
  • This 1 watt solar panel maintains all rechargeable 12V batteries.
  • It is best not to start or drive your vehicle while the unit makes a connection with the battery.


  •  Keep the glass clean by using a clean damp cloth.

In a conclusion

This 1 watt solar panel is great for keeping your batteries up and ready for operation.

Use it for what it was intended, and it will work just fine...

This is a very good product @ a very reasonable price.

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