5V 110mA 0.55W Polycrystalline Solar Panel
Mini Sunpower Solar System for DIY Charging
This 5V 110mA polycrystalline solar panel delivers 0.55W of power in a compact 70x70mm size. Ideal for DIY solar systems, battery charging, and cell phone charger projects.
Compact Power Source - Fits small projects easily
Reliable Output - 5V direct for USB devices
Place panel in direct sunlight for maximum output
Use blocking diode to prevent reverse current
Do not exceed 6V open circuit voltage
Technical Specifications
| Parameter | Value |
|---|
| Output Voltage | 5V |
| Output Current | 110mA |
| Power Rating | 0.55W |
| Cell Type | Polycrystalline |
| Panel Size | 70mm x 70mm |
| Thickness | 3mm |
| Open Circuit Voltage | 6V |
| Short Circuit Current | 120mA |
= Key Features =
Compact Design - Small footprint for tight spaces
Lightweight - Easy to mount and handle
Durable Construction - Resists weather exposure
Presoldered Leads Ready for connection
Efficient Cells Good lowlight performance
= Applications =
- Battery charging projects
- Solar phone chargers
- Sensor power supply
- IoT device solar power
- Educational solar kits
- Garden light upgrades
Perfect for Beginners - Easy to use and connect
Versatile Size - Fits most DIY enclosures
√ Leads pre-attached
√ Weather resistant coating
√ Suitable for indoor and outdoor use
Connection Guide
Wiring instructions:
- Red lead: Positive output
- Black lead: Negative output
- Connect to charge controller or direct load
Use 1N5819 Schottky diode for reverse protection
Connect multiple panels in parallel for more current
Never short circuit output for extended periods
Do not exceed panel power rating when connected
Performance Tips
Optimize output with proper placement:
- Angle panel towards sun
- Clean surface regularly
- Keep free from shadows
- Avoid overheating panel
Good for Small Projects - Perfect for microcontrollers
Cost Effective - Affordable solar entry point
Reliable daily output in sunlight
Tested for consistent performance
√ Includes mounting holes for fixing
√ Edge sealed for moisture protection
√ Ready for immediate installation
Common Uses
This mini solar panel works well as a power source for small Arduino projects, DIY battery chargers, and portable device charging. Its polycrystalline cells provide stable output even in partial shade conditions.
Mount securely to prevent wind damage
Use with boost converter for stable output
Protect panel from physical impact
Keep connections clean and dry
Troubleshooting
No output:
- Check panel is in sunlight
- Verify lead connections
Avoid shaded locations
Low current:
- Clean panel surface
- Check angle adjustment
Avoid cloudy conditions