Editorial Review:Amazon.com Product Description:The Sunsei Solar 2-watt 12-volt charger protects against natural battery discharge and electronic drain in cars, boats and other small vehicles. Mounting virtually anywhere, this solar battery charger provides immediate trickle-charge when exposed to daylight, even through windows or a windshield. Even when you are miles away from the nearest electrical hook-up, you can keep your batteries charged. From maintaining boat batteries in storage to extending trolling time for fishers, the Sunsei Solar battery charger is the perfect solution, and also works great for small farm equipment and RVs.
What's in the Box 12-volt charger, cigarette lighter adapter, battery clamps, suction cups
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Customer Reviews
Average Rating:
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Great solution for a problem
Mounted easily on inside of windshield of pickup I seldom use. I have killed 2 batteries in the past by allowing them to discharge too much. This unit keeps the battery fully charged at all times. It's great.
Rating: 
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Works
Packaging: OK
Visual Defects: None
Installation: Easy
Suction Cup: Bit weak
Button to Check if adequate sunlite is available: Very good
Performance: OK
Tried on BMW 525i
Rating: 
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A waste of money
While the product claims it will not drain a car battery, it did exactly that. Amazon refused to take the product back.
Rating: -
Great Charger For ATV , Cycle, or Tractor
Charger works great, comes with suction cups for window placement. Entire system is plug and play with well built O-ringed connectors to a variety of attachments such as lighter plugs and alligator clamps.
Can order cable accessory kit separately (I did) which gives you extension cables and some additional connectors.
Started with my ATV during winter storage. Now I have units on my Boat, & Tractor as well. Equipment is now ready for use at all times. No more dealing with rotating my trickle charger and dead batteries. Batteries are maintained without the worry of boil off.
Strongly Recommended - company builds a quality product.
Rating: -
Automobile Sunsei Solar Panel
I purchased this item to keep the battery charged in a second car while away this winter. It appears Sunsei Solar 2-Watt 12-Volt Charger #SE-135to be a high quality product but only time will tell how effective it is. Sunsei is a major manufacturer of solar panels. A word of caution: Check to make certain that your car's 12 volt outlet is "constant on" and not connected to the automatic timed power shutoff found in many cars today.