Solar Panel 18V 5W 320mmX175mmX17mm
18V 5W Solar Panel – Compact High-Efficiency Solar Power for DIY & Outdoor Projects
This 18V 5W solar panel offers a reliable and efficient solution for powering small electronics, IoT devices, battery chargers, and outdoor sensor systems. With compact dimensions of 320mm × 175mm × 17mm, it is lightweight and rugged, suitable for field deployments and hobbyist energy harvesting setups.
☀️ Features
Rated 18V output, perfect for 12V battery systems and regulators
Power output up to 5W in full sunlight
Durable construction with tempered glass and aluminum frame
Easy to mount and connect via terminal leads
Weather-resistant for outdoor use
Ideal for Arduino, ESP32, solar battery charging, and standalone applications
📊 Technical Specifications
| Parameter | Value |
|---|---|
| Rated Power | 5 Watts |
| Output Voltage (Vmp) | 18V DC |
| Output Current (Imp) | ~280 mA |
| Open Circuit Voltage | ~21.6V |
| Short Circuit Current | ~320 mA |
| Cell Type | Polycrystalline |
| Frame Material | Aluminum Alloy |
| Front Material | Tempered Glass |
| Dimensions | 320mm × 175mm × 17mm |
| Weight | ~450g |
🔌 Wiring Example with Arduino (via Solar Charger)
To safely connect this panel to an Arduino project:
Use a solar charge controller (like TP4056 for Li-ion, or CN3791 for 12V systems).
Connect the panel’s + and – leads to the input of the charger.
Connect the battery or load (e.g., Arduino or power bank) to the output.
⚙️ Applications
IoT sensor stations
Arduino-powered outdoor devices
Portable USB chargers (with regulator)
Solar-powered garden lights or fans
Low-power communication repeaters
Remote data loggers