Imperial Solar Post Cap - Black With 4.5" X 4.5" Adaptor

Sale price$47.99 USD Regular price$59.99 USD
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Super Fast Delivery! Receive your order in 2-5 business days.

The modern yet elegant Imperial Solar Post Cap offers a clean contemporary design that is unequaled in performance. Its rugged cast aluminum construction with powder coated finish means no future painting.

TRA45B Adaptor included to allow the SL211B to easily be installed on an actual 4.5"x 4.5" post.

Download our Instruction Manual

Post Sizing

Please measure your posts before purchasing

3.5" x 3.5" (4x4 Nominal)


4" x 4"


4.5" x 4.5"


Benefits of Classy Caps™ Solar Post Caps


Solar lighting save on energy costs. No need for wiring or timers. Lights turn on automatically at night.


The soft glow of renewable energy transforms the night into a magical and eco-friendly oasis.


An effective deterrent against intruders, illuminating the surroundings and creating a sense of security.


Quick and Easy installation eliminates the need to hire an electrician or handyman.

Customer Reviews

Based on 8 reviews
Scott Rarick
Great Product

A great solution to round out my hard wired system without running more wires.

Hello Scott, thank you so much for your review on the Imperial Solar Post caps and for including a photo of them. Your setup is beautiful!

Kathy Mullen
Imperial solar posts

Received the order in a reasonable time frame. All parts were included. Had to email the company regarding my address. They immediately responded with an answer. I would definitely order from them again.

Hello Kathy, Thank you for leaving a review on the Imperial Solar post lights! Glad you are enjoying your lights!


I love my solar post caps light with adapters they are perfect for my Trex post and are a beautiful addition to my Trex Deck

colby lithyouvong
Should make a set for just this and the cap.

Works as expected. Should probably create a set for just this and the cap. I have so many 3.5 and 4s laying around now.

Hello Colby, thank you for your review on the Imperial Light! Enjoy your Lights!

Nicole Persaud

Awesome product exactly what we were looking for. And delivery was very quick.

Hello Nicole! Thank you so much for leaving a review on the Imperial Lights. We are very happy you are enjoying them!

Steven Malone
Great lights and design!

These lights were exactly what we wanted. Versatile to fit our need for Trex Enhance posts and consistent with Trex factory design!

Hello Steven, thank you for your review on the Imperial solar lights with adapters. We are happy you are enjoying your lights!

Karen Eddinger
Pretty lights

These light are very bright and make my walkway look beautiful and safer to walk down my back steps

Hi Karen! Thank you for taking the time to leave a review. We are very happy you are enjoying your Imperial lights!