APONUO SL71 16-Pack Solar Post Cap Lights, 4x4

APONUO SL71 solar post cap lights come in a 16-pack for outdoor post lighting. They offer selectable warm or cool white light and automatic dusk-to-dawn operation, with a stated maximum output of 15 lumens per light.

At a glance

Two selectable modes are specified: 3000K warm white at 15 lumens and 6500K cool white. The listing says both use 8 LED beads.
The manufacturer claims up to 12 hours of continuous illumination after a full charge. Actual runtime depends on charging conditions and selected mode.
Automatic dusk-on and dawn-off operation is claimed, with solar charging and no wiring required.
The listing advertises an IP64 rating and describes the body as rust-proof PP plastic, while the specifications list Acrylonitrile Butadiene Styrene as the material.

Price

$56.99Save 29%

Reference price: ~~$79.99~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

A 16-light set can cover multiple fence or deck posts in one purchase.
Solar charging and claimed dusk-to-dawn switching avoid running wiring to each post.
Warm and cool white options give a choice between a warmer appearance and a crisper white tone.

Cons

At a stated maximum of 15 lumens, these are low-output accent lights rather than a substitute for bright area or task lighting.

Technical specifications

20 specifications

Identity
Brand	APONUO
Model	SL71
Number of lights	16

Lighting and power
Power configuration	Solar Powered
Light source	LED
Light color	Warm/Cool White
Brightness	15 lm
Maximum light output	15 lumens
Color temperature	3000 Kelvin
Voltage	1.2 volts

Dimensions and installation
Size	4x4
Form factor	Square
Mounting type	Deck Mount
Dimensions	4.13"L x 4.13"W x 1.97"H
Weight listed	7.5 pounds

Materials and protection
Material	Acrylonitrile Butadiene Styrene
Water resistance listed	Waterproof

Operation and warranty
Special features	Adjustable Color Temperature, Automatic Dusk to Dawn, Energy Efficient, Integrated LED, Waterproof
Warranty type	Limited
Manufacturer warranty description	1-year warranty.

What to know before buying

Listing details to confirm

Listing details are inconsistent: the specifications list Acrylonitrile Butadiene Styrene, while feature copy says rust-proof PP plastic. The title gives an IP64 rating, while the specifications say only “Waterproof.” The product title identifies a 4x4 fit, but feature copy also claims fit for 5x5 vinyl posts using three adapters. Confirm material, protection rating and compatible post sizes for the selected listing. Runtime up to 12 hours is a manufacturer claim after a full charge, not a guaranteed duration in every mode or condition.

What’s in the box

Included

User manual
Mounting hardware

Who is it for?

A good fit for

Buyers outfitting several outdoor fence, deck or garden posts with low-level accent lighting.
People who want solar-powered post caps with automatic dusk-to-dawn operation.
Buyers who prefer the option of warm or cool white light.

Less suited to

Anyone needing high-output security, pathway or work lighting.
Buyers who need confirmed fit on a specific post size beyond the listing's 4x4 title claim.

APONUO SL71 16-Pack Solar Post Cap Lights, 4x4 · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.7 / 5 · 37 ratings

5 stars83%83%
4 stars6%6%
3 stars11%11%
2 stars0%0%
1 star0%0%

The supplied evidence contains aggregate ratings but no written customer feedback. Ratings skew positive, with a smaller three-star share, but they do not show what buyers liked or disliked. For a low-output accent-light set, consider the stated 15-lumen maximum and verify post fit rather than treating the ratings as proof of brightness or compatibility.

Frequently asked questions

How many lights are included?

The title and specifications describe a 16-light pack.

Can the light color be changed?

The listing describes selectable 3000K warm white and 6500K cool white modes.

How long do the lights run?

The manufacturer claims up to 12 hours after a full charge. The listing does not establish that duration for every charging condition or selected mode.

What post sizes do these fit?

The title says 4x4. Feature copy also claims compatibility with 4x4 and 5x5 vinyl posts using adapters, so confirm fit and included adapters for the selected listing.