10-pack solar post lights for 4x4 and 3.5x3.5 posts, black finish
Outdoor

Solar Post Lights 2 Modes 16 LED Fit 4x4 3.5x3.5

SKU: FL32 ·16 LED | 20 Lumens | 2 Color Modes | IP64
$40.99 / pc · MOQ 50
MOQ 50 In Stock · Ships 25 days verified IP64
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Minimum order: 50 units (MOQ)
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About this product

【2 Color Modes】This 4x4 solar post light supports one-button switching between warm white and cool white light with up to 20 lumens brightness, perfectly fitting evening gatherings and daily outdoor lighting needs. Built-in 16 high-efficiency LEDs paired with transparent customized lampshade emit soft and even glow, delivering gentle lighting without harsh glare to beautify your outdoor surroundings.

【Fit for Post Size】Perfectly compatible with standard 4x4 wooden and vinyl posts, actual applicable size is 3.5x3.5 inches. Equipped with full set screws and mounting base, it not only brightens fences, decks and pillars, but also serves as exquisite outdoor decoration, greatly upgrading overall home exterior aesthetics day and night.

【IP64 Waterproof】Adopts high-strength weatherproof material with IP64 waterproof grade, stably resisting sunlight, rain, snow and strong wind for all-season stable use. It can effectively prevent post tops from moisture erosion and aging to prolong service life, meanwhile offering clear night guidance to make your house easy to find.

【High Efficiency & Auto On/Off】Fitted with high-performance monocrystalline silicon solar panel, it can be fully charged within 6 to 8 hours under direct sunlight and supply up to 10 hours long-lasting night lighting. It realizes automatic daytime charging and dusk automatic lighting without manual control, which is energy-saving, eco-friendly and highly practical.

【Easy Installation】Wire-free design with detachable base and complete installation accessories. You only need to set preferred light mode, match proper base and fasten screws to finish installation quickly.

【Wide Application】Elegant and practical solar post cap lights are ideal for installing on pillars, courtyards, fences, terraces and gardens. It can beautify outdoor scenery while supplying sufficient lighting, effectively boosting home outdoor safety.

Key Features

  • 2 Color Modes
  • IP64 Waterproof
  • Auto On/Off
  • 16 High-Efficiency LEDs

Certifications

  • IP64

Customer Reviews

★★★★★ 4.8 · 14 reviews
  1. A
    Amazon Verified Buyer
    ★★★★★
    Exactly what I was looking for! My 4x4‘s needed the insert, twist top to get to on switch

    These post cap lights look fantastic and I‘m really happy with them!-The bright white mode is my favorite! It’s crisp, clean, and looks really sharp on the posts at night. The warm white is a nice option too if you prefer a cozier feel, but the cool white is where it’s at for me. -The glow through the clear part looks really nice. There’s little bit of a pattern on the clear part and it makes the lamp look more sophisticated. These genuinely elevate the look of the fence or deck they’re sitting on. -Fit is good, but be aware that if you have “4x4" posts like I do, you’ll likely need to use the included insert. Turns out standard 4x4 lumber isn’t actually 4x4 inches. Not a flaw with the light, just one of those fun lumber facts nobody tells you until you’re standing outside with a post cap in your hand. -No wiring required which makes installation pretty painless overall. -One thing the instructions don’t make obvious is that you have to twist the top off to access the switch inside before mounting. It’s simple once you know, but a little clearer guidance there would save some head scratching. Once they’re up and lit, these look really great. The bright white glow on the posts at night is exactly the curb appeal upgrade I was hoping for. Really pleased with this purchase.

  2. A
    Amazon Verified Buyer
    ★★★★★
    Affordable Ambient Solar Post Lighting for Deck or Railings

    I love solar lights and I love the look of these Peasur 4x4 Solar Post Cap Lights with 16 LEDs. I do not have posts these will fit, but I do have wood deck railings. I decided to sporadically lay these out on my railings without even mounting them. I’m happy to say after several days of up to 70 mile an hour winds, these post cap lights didn’t budge. These Peasur solar post cap lights turned out to be one of those simple pleasures that have brightened my world beyond belief. They add a clean, modern glow to my deck and makes it feel more inviting at night. The two lighting modes are a nice touch, and installation couldn’t be easier for my purposes. What I Really Like - Two Lighting Modes for Different Moods: You can choose between a warm glow or a brighter white (cool) light. I chose the warm glow which adds a cozy welcoming look; whereas, the cool white is crisp and adds a bit of daylight-look. - Reliable Solar Charging: The panels charge well even on partly cloudy days, and the lights stay on for hours well after sunset with no dimming. - Weatherproof & Durable: They’ve handled sporadic rain, high winds, and morning dew without any issues. The waterproof design feels solid, and the plastic housing is sturdier than I expected. - No Fit Needed for My Purposes: Just Sit Them on Your Deck Railing—They’re designed to fit 4x4 wooden or vinyl posts, but I just sat them on my deck railings without mounting and they worked out perfectly without them looking out of place. - Effortless Installation: In my case, I just flipped the switch from either off, warm white, or cool white, placed them on top of the deck. All the hardware is included should you choose to mount them. Things to Keep in Mind - For optimal performance they should be exposed to 6-8 hours of direct sunlight. Shaded areas may not stay lit as long. - The light is decorative—not meant to illuminate a whole yard—so think of them as accent lighting rather than security lighting. - The black finish looks sleek, but it may show dust or pollen more easily in certain climates. Bottomline The Peasur 4x4 Solar Post Cap Lights are an easy and affordable way to elevate your outdoor space. They add a finished look to fences, decks, and porches without any wiring or maintenance. If you want dependable solar lighting that enhances curb appeal and nighttime ambiance, this 4 pack is a great choice. They offer so much value by not having to hire an electrician or add to your energy bill. For these reasons, the price is right on target for four reliable and well-made lights that are powered only by the sun. I highly recommend them!

  3. A
    Amazon Verified Buyer
    ★★★★★
    Pretty lights with a nice warm or cool glow

    These solar post lights are really pretty once they turn on, and I love that you can switch between warm white and cool white depending on the mood you want. The glow is bright enough to add some charm to the backyard without being harsh or overwhelming. They’re lightweight, which makes installation easy, and they come with screws if you’re putting them on actual posts. I don’t have posts in my yard, so I set them on my outdoor table instead. They look great there, but since there hasn’t been a windy day yet, I’m still waiting to see how they hold up. I’m hoping they stay put, but I’m not completely sure with the material being so light. I do wish they were made from a heavier or more solid material just for extra stability, but the lights themselves work nicely and the design is simple and clean. Pros: Warm or cool white lighting options Nice, soft glow Lightweight and easy to set up Comes with screws for post installation Cons: Very lightweight, might move around in strong wind Would be even better with heavier materials for stability Overall, they’re attractive and functional lights that add a nice touch to the backyard, even if they’re a bit lighter than expected.

  4. A
    Amazon Verified Buyer
    ★★★★☆
    Bright, Easy-to-Install Lights That Upgrade Your Outdoor Space

    I’ve spent time with these 4x4 solar post lights on a small deck setup, and they’re a simple upgrade that makes a noticeable difference at night. I installed them on standard 4x4 posts along a fence line, and they fit well without needing much adjustment. Once set up, they automatically charge during the day and turn on at night, which makes them completely hands-off. Performance is solid. The 16 LEDs provide a nice level of brightness—not too harsh, but enough to light up the area for visibility and ambiance. The two lighting modes are a nice bonus, letting you switch depending on the mood or need. They also hold up well outdoors, handling weather without issues. Pros: Easy installation on standard 4x4 posts Solar-powered—no wiring or maintenance needed Good brightness with 16 LEDs Two lighting modes for flexibility Great for the price as a 2-pack Cons: Best performance depends on good sunlight exposure Light output is more ambient than high-powered Bottom line: Great for the price and perfect for decks, fences, or patios. If you want an easy way to add lighting and improve the look of your outdoor space, these solar post lights are a solid choice.

  5. A
    Amazon Verified Buyer
    ★★★★★
    Works for wood or vinyl posts

    Exactly as advertisedHad an adapter to fit on 3 1/2 x 3 1/2 wood post To use on 4 x4 vinyl post, remove the adapter Look great

  6. A
    Amazon Verified Buyer
    ★★★★★
    Pretty around my deck

    These solar post lights are an absolute game changer for my deck and fence! I was looking for something that would add both style and functionality, and these delivered way beyond my expectations. The design is sleek and modern, and the black finish blends perfectly with both wood and vinyl posts, giving everything a clean, polished look. Installation was incredibly easy—no wiring, no complicated setup. They fit perfectly on my 4x4 posts and felt secure right away. Within minutes, I had both lights installed and ready to go, which is always a huge plus. The brightness is impressive for solar lights. With 16 LEDs and two lighting modes, you can easily switch between a softer ambient glow and a brighter setting depending on the vibe you want. They light up my patio area beautifully at night without being too harsh or too dim—it’s the perfect balance. The solar charging works great, even with partial sunlight during the day. By nighttime, they’re fully charged and last through the evening with no issues. I also appreciate that they automatically turn on at dusk and off at sunrise, so there’s zero maintenance involved. Another standout feature is the durability. These lights feel solid and well-built, and they’ve held up perfectly through rain and changing weather. Being waterproof gives me peace of mind that they’ll last long-term. Overall, these lights added both safety and a great aesthetic to my outdoor space. They make my deck look more inviting and upscale without a huge investment. I would definitely buy these again and highly recommend them to anyone looking to upgrade their outdoor lighting!

  7. A
    Amazon Verified Buyer
    ★★★★★
    Work very well & last through the night

    Not quite as bright as my current deck lights, but it’s hard to show this with a photo or video. When I say not quite as bright as, I would still say they function well & i also need to be fair as I paid much more for my current set. These lights have 2 settings & you need to twist off the top to get to the switch, which is very easy to do, even when mounted. They’re easy to mount with a couple screws or nails. I like that they are more compact than other deck lights i’ve seen. If you compare to my current post lights in the video, You can see the size difference & I prefer that more compact size…not as distracting i guess. I live in Ohio & we get plenty of cloudy days, but the lights continue to function all night long….this in itself impressed me. Many lights only come on for a few hours at night & then go dark, so these appear to be built with a quality collector that charges them up sufficiently, even when cloudy. I would have preferred white rather than the dark color as my deck posts are all white, but I didn’t have that option. I currently have these mounted on a 60” swing I built & they look very nice & can guide folks over to the swing in the evening. Overall, a fair price for 4 units, though the seller should offer higher quantities, & include white casings as an option. I’m very pleased with the function of these & how long they last. I have mine set on the bright white light & I would recommend to a friend.

  8. A
    Amazon Verified Buyer
    ★★★★☆
    Bright and Easy Outdoor Upgrade

    Great lighting for my fence and deck! Bright, easy to install, and the two modes are useful. Just wish they stayed brighter a little longer overnight.

  9. A
    Amazon Verified Buyer
    ★★★★★
    Lightning

    Beautiful and easy to assemble. We needed some good lighting for a new patio and these were perfect.

  10. A
    Amazon Verified Buyer
    ★★★★★
    Very nice light.

    I love it, I recommend it.

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