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5-1/8 in. x 5-1/8 in. Solar Post Cap Light for TimberTech - White - 3 LED Colors

Ultra Bright Tech
List price: $119.95  
You save: $30.00 (25%)
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5-1/8 in. x 5-1/8 in. Solar Post Cap Light for TimberTech- with Color Changeable LEDs


Ultra Bright's Solar Post Cap Light for TimberTech is the most advanced, powerful, robust, solar post cap light available is especially designed to fit TimberTech's RadianceRail composite post series. 

Patented magnet technology allows users to easily adjust between 7-brightness levels & 3 LED colors (White, Blue & Amber) to meet seasonal performance, brightness, & run time expectation or personal preference. Hold a magnet for 5 seconds over the solar panel and the solar post cap light will change between the illuminating colors. Swipe the magnet quickly over the solar panel to adjust between 7 brightness levels or "OFF" on any of the colors. 

Ultra Bright's Solar Post Cap Light for TimberTech are made to last. Advanced ASA UV resistant composite material, user-replaceable advanced lithium phosphate battery, fully water-proof IP 68 electronics, and tempered glass laminated solar panel ensure longevity.

Spare batteries and magnets for the Solar Post Cap Light for TimberTech can be ordered from this page under the Accessories tab.


5-1/8 in. x 5-1/8 in. Solar Post Cap Light for TimberTech

The perfect way to light up your TimberTech Radiance Rail fence posts!

Product Highlights:

36 Ultra Bright LEDs

High Power Solar Panel

Color Changeable

Long Run Time

Long Service Life

Durable Construction

Waterproof Electronics

LiFePO4 Batteries

Changeable Batteries

Key Features & Benefits:

10-140 Hour Run Time

Adjustable Brightness

5-50 Lumens

Fresh Water Rated

Not Salt Water Rated (within 30 miles of salt water)  

Changeable Batteries


  • Composite
Post Cover Brands:
  • TimberTech - Radiance Rail
Post Sizes:
  • Vinyl 5-1/8" x 5-1/8"
Product color:
  • White
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Good delivery service
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Great Lighting by
The brightness is superb. Bugs aren't able to get into the LED.
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Repeat customers! by
Last year, we purchased ten lights for our very large deck and they transformed the space once the sun had set. This year, we purchased nine more for even a better effect. Overall we are very happy with the purchase, even though they are pricey, but there is nothing else...
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Beautiful! by
They are a little pricey, but we love these Solar Caps. They bring the final touch to our new deck we were looking for!
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Beautiful! by
We just love these post cap lights. Our deck looks so inviting. A little pricey but the price of beauty.
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Great, worth cost! by
So far these lights have been great!
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Great lights!!!! by
It cannot get any easier. The brightness is out of this world for solar lights. There is not one person that doesn't asks me about the lights. These things are so dope as my friend would say. Im happy I went with these versus the wired ones. Also, fit the...
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Fit great by
I ordered 5x5 originally and they didn’t fit my 5x5 posts.
Returning them now- but ordered 5 1/8 x 5 1/8 and it fit perfect. Posts are radiance rail. Price is up there. But we’ll worth it. Feel strong and look great
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Solar TimberTech by
I was very pleased with the quality and the easy installation of this solar lights. The magnet device to change the colors is just awesome. Your service in expediting shipment and having them in stock exceeded my expectations. Will use you for my lighting needs in the future and highly...
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Review after one month after installation by
We have a large deck consisting of 28 sections and as such, it was begging for some accent lighting. The Ultra Bright Solar Post Caps were the perfect solution. We purchased 10 and installed them at strategic locations. They are well made, beautiful and shine bright through out the ...
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Thank you by
I love it!
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A beautiful addition to our deck. Easy to install and use. Our guests comment each time. We change the colors based on our moods.
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