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Coleman 2 Watt 12V Solar Battery Maintainer

SKU # 850004699
Important information:

  • Price of battery does not include core charge.
  • To avoid additional core charge fee, please return old battery when picking up new battery.
  • Additional core charge fee will apply if old battery is not returned at time of new battery pick up.
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Product Rating is 3.7
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Item Information

Using the power of the sun, the portable Coleman 2 Watt 12V Solar Battery Maintainer offers an ideal way to maintain the 12V batteries of automobiles, boats, tractors and more

  • Includes: Alligator battery clamps, 12V DC plug, suction cups to mount panel onto windshield and Quick Connect technology
  • Made of durable ABS plastic and amorphous solar cells
  • Excellent for maintaining the batteries of cars, SUVs, tractors and more
  • Amorphous solar panel works in all daylight conditions, even on cloudy days
  • Maintenance free/Easy installation
  • Charges in all weather conditions
  • For indoor use: Inside the dash of a vehicle or by a window indoors as it is not waterproof
  • Plugs into cigarette lighter with included 12V DC plug or directly to the battery with included alligator battery clamps
  • Mounts on windshield with included suction cups
  • 5 year limited warranty

Specification Description
Brand: Coleman
Panel Height: 13-3/4 in.
Panel Length: 5 in.
Panel Width: 1/2 in.
Product Type: Solar Charging
Warranty: 5-Year Limited
Watts: 2 W
Power Type: Solar
Manufacturer Part Number 58012
Coleman 2 Watt 12V Solar Battery Maintainer is rated 3.7 out of 5 by 6.
Rated 1 out of 5 by from Did not work Purchased to keep my battery charged in my camper, after returning 10 days later, the fridge was not working because the battery was dead.
Date published: 2017-07-26
Rated 5 out of 5 by from Works great. I keep it on a 1979 Ford Van Econoline. It parks for months at a time. Works great. My van has a two battery system and never over charges.
Date published: 2016-02-21
Rated 1 out of 5 by from Not water-proof and it will overcharge you battery Had I read the description here first, I would not have purchased this product. Nothing on the packaging or in the included manual says that it is not water-proof. That is deceptive enough for an unfavorable review but worse still is the fact that this device will over-charge you battery. The output voltage of mine on a sunny day is just over 20V. If you look at the FAQ list on the manufacturers website it even says that this product will overcharge and should be used with a charge controller. With a voltage regulator, it may be useful. My intention was to mount it to a boat trailer, connect it to the battery when the boat is parked and forget about it. Nothing on the packaging indicates that I shouldn't be able to do this. I will be returning it when possible.
Date published: 2014-09-18
Rated 5 out of 5 by from Every Vehicle Should Have One Greatest invention ever! Ikeep mine on all the time and always starts. Gave three for Christmas and got laughed at, but I'm laughing now! They need boosts and I just get in and go. Keeps trolling motor going in boat all day long. If it's got a battery it needs this product.
Date published: 2010-09-21
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why is this maintainer not keeping my battery charged? It operates a gate opener, not much use. This is my 2nd solar panel, 1st one would not maintain battery either.

Asked by: Holleyfedup
The Coleman 2 Watt 12V Solar Battery Maintainer is designed to offset the natural discharge of a 12V battery. It will not make up for general consumption.
Answered by: Sunforce Products
Date published: 2018-05-15

So you can charge the battery through the cigarette lighter?

Asked by: The Diesel
The 2 Watt Solar Battery Maintainer can maintain your battery by plugging directly to cigarette lighter port. Please note that this can only take place if the cigarette lighter connection in the vehicle is active with the ignition off.
Answered by: Sunforce Products
Date published: 2016-10-03

Can this be used to charge cell phones?

Asked by: Lucy49
Unfortunately the 2Watt is not powerful enough to charge most modern cell phones; most current cell phones require almost a full amp to begin a charge.
Answered by: NRoberts
Date published: 2018-03-05

would this be the correct item to maintain the starter for a battery on a generator?

Asked by: elisabeth
Yes, it will work for maintaining the battery. However, if the battery dies it will not recharge it.
Answered by: DanielB
Date published: 2017-01-20

Can I use this charger for my 6 v batt in my deer feeder or find one that is under or dose it have to Mach. 

Asked by: 3 Owls
The Coleman 2 Watt 12V Solar Battery Maintainer Is designed to maintain the voltage on 12 V batteries only.
Answered by: Sunforce Products
Date published: 2017-07-05
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