12V 3W Mini Solar Panel 250mA 145x145mm Polycrystalline DIY Module

🔧 12V 3W Mini Polycrystalline Solar Panel 145 × 145mm | AuscomTech

A compact solar panel module designed to generate DC power from sunlight for small electronics, prototypes, and DIY solar projects.

It is rated at 12V, 250mA, and 3W under suitable light conditions, making it useful for low-power circuits and solar energy experiments.

Suitable for Arduino, ESP32, outdoor sensors, educational builds, and renewable energy testing setups.

⭐ Key Features

• 12V 3W Rated Output – provides solar-generated DC power for low-power electronics projects
• 250mA Rated Current – suitable for small circuits, sensor nodes, and prototype solar systems
• Compact 145 × 145mm Panel – easy to mount into enclosures, portable builds, and outdoor projects
• Polycrystalline Cell Construction – converts sunlight into usable electrical output
• DIY Project Ready – ideal for makers, students, hobby electronics, and renewable energy experiments
• Series or Parallel Use – matching panels can be combined to increase voltage or current where required

📊 Technical Specifications

• Product Type: Mini solar panel module
• Panel Type: Polycrystalline
• Rated Power: 3W
• Rated Voltage: 12V
• Rated Current: 250mA
• Dimensions: 145 × 145mm
• Output: DC solar output
• Test Condition: 38000 lux light intensity
• Structure: Epoxy resin surface, conductive copper tape, solar cells, PCB backplane

🧩 Typical Applications

• DIY solar power projects
• Arduino and ESP32 solar experiments
• Outdoor sensor power systems
• Small DC electronics prototypes
• Educational renewable energy demonstrations
• Portable solar-powered project builds
• Solar testing and development setups

⚠️ Important Notes

• This product is a solar panel only; it is not a battery charger, charge controller, or regulated power supply.
• Output depends on sunlight intensity, panel angle, temperature, and connected load.
• A diode, voltage regulator, or solar charge controller may be required depending on your circuit.
• Do not connect directly to rechargeable batteries without suitable charging protection circuitry.
• Mounting hardware, cables, diode, regulator, battery, and controller are not included.

📦 Package Includes

• 1 × 12V 3W Mini Solar Panel 145 × 145mm

🔗 Recommended Accessories (Not Included)

• Blocking diode – helps reduce reverse current in suitable solar circuits
• DC voltage regulator – stabilises output for sensitive electronics
• Solar charge controller – required for safe rechargeable battery systems
• JST or DC connectors – for cleaner project wiring