Yes, PoE splitters can work with solar-powered PoE setups, but the setup must be properly designed to ensure stable power delivery and efficiency. Solar-powered PoE systems typically involve solar panels, a battery storage system, a PoE switch or injector, and PoE splitters to distribute power to non-PoE devices.
Using a PoE splitter in a solar-powered PoE network allows non-PoE devices to receive power efficiently, but several key factors must be considered to ensure system reliability.
Key Considerations for Using PoE Splitters in Solar-Powered Setups
1. Power Budget & Efficiency
In solar-powered systems, energy efficiency is crucial because power is generated from solar panels and stored in batteries. When using PoE splitters:
--- Use energy-efficient PoE splitters to reduce unnecessary power loss.
--- Match the PoE output to the device’s power needs to avoid energy waste.
--- Choose a PoE splitter with a high-efficiency conversion rate (90% or higher).
If the solar battery has limited capacity, use a PoE splitter that minimizes power consumption.
2. PoE Standard & Power Output
The PoE standard of the solar-powered network must be compatible with the PoE splitter and the connected devices.
PoE Standard | Max Power at PSE (Switch/Injector) | Max Power at PD (Device via Splitter) | Best For |
IEEE 802.3af (PoE) | 15.4W | 12.95W | Small sensors, IP cameras |
IEEE 802.3at (PoE+) | 30W | 25.5W | Wi-Fi access points, mid-range cameras |
IEEE 802.3bt (PoE++) | 60W-100W | 51W-90W | High-power PTZ cameras, industrial devices |
Use PoE+ or PoE++ splitters for higher-power solar applications (cameras, wireless APs, automation devices).
3. Voltage Compatibility (5V, 9V, 12V, 24V, 48V Output)
PoE splitters convert PoE power (typically 48V) into a lower voltage suitable for connected devices. Common output options:
--- 5V DC – Raspberry Pi, IoT devices, small routers
--- 12V DC – Security cameras, network equipment
--- 24V DC – Industrial automation, long-range wireless APs
--- 48V DC – Telecom and high-power industrial applications
Choose a PoE splitter that provides the correct voltage for your device to avoid damage.
4. Solar Battery & PoE Power Stability
Solar-powered PoE setups depend on battery storage to provide power when sunlight is insufficient. To ensure a reliable system:
--- Use a high-capacity solar battery to store enough power for nighttime and cloudy conditions.
--- Ensure the PoE switch/injector operates within the solar inverter’s power output range.
--- Use a DC-to-DC regulator if needed to stabilize voltage fluctuations from the solar battery.
A stable solar power system ensures uninterrupted PoE power delivery.
5. Weatherproofing for Outdoor Solar Installations
Solar-powered PoE setups are often used in outdoor locations such as remote surveillance, IoT sensors, and smart agriculture. In these cases, the PoE splitter must be:
--- IP65 or IP67-rated for dust and water resistance.
--- Surge-protected (6kV or higher) to handle electrical fluctuations.
--- Temperature-resistant (-40°C to 75°C) for extreme weather conditions.
For outdoor solar installations, use an industrial-grade PoE splitter with waterproofing and surge protection.
Recommended PoE Splitters for Solar-Powered Setups
1. UCTRONICS PoE Splitter (For Raspberry Pi & IoT Sensors)
--- PoE Standard: IEEE 802.3af (15.4W)
--- Output: 5V/2.4A USB-C
--- Efficiency: 90% conversion efficiency
--- Best For: Raspberry Pi, low-power IoT sensors
2. Tycon Power POE-SPLT-4824G (For Wireless APs & Security Cameras)
--- PoE Standard: IEEE 802.3at (PoE+), 30W
--- Output: 24V/2A DC
--- Protection: Industrial-grade, surge-protected
--- Best For: Long-range wireless access points, mid-range security cameras
3. Planet IPOE-171-12V (For High-Power PTZ Cameras & Industrial Devices)
--- PoE Standard: IEEE 802.3bt (PoE++, 60W)
--- Output: 12V/5A DC
--- Protection: IP67 waterproof, -40°C to 75°C temperature range
--- Best For: PTZ cameras, industrial automation systems
Alternative Solutions for Solar-Powered PoE Systems
1. Use a Solar-Powered PoE Injector Instead of a Splitter
If your device supports PoE, you can use a solar-powered PoE injector instead of a splitter, reducing energy loss.
2. Use a PoE Switch with Solar Power Support
A solar-compatible PoE switch allows multiple PoE devices to be powered directly without the need for individual PoE splitters.
3. Use a DC-DC Converter for Stable Power Output
Some solar setups experience voltage fluctuations. A DC-DC regulator can help stabilize the power before it reaches the PoE splitter.
Conclusion: Can PoE Splitters Work in Solar-Powered PoE Setups?
--- Yes, but efficiency, voltage compatibility, and power stability must be carefully managed.
Choosing the Right PoE Splitter for Solar-Powered PoE Systems:
--- For low-power IoT devices & Raspberry Pi → Use a 5V PoE splitter with high conversion efficiency.
--- For security cameras & access points → Use a 12V/24V PoE+ (802.3at) splitter with surge protection.
--- For PTZ cameras & industrial automation → Use a PoE++ (802.3bt) splitter with 60W+ output and waterproofing.