The Mini Solar Cell 3V 0.15W (40×30mm) is a compact and lightweight solar panel created for students, hobbyists, makers, and engineers who want to explore clean and renewable energy. Although it is small in size, it provides a reliable power output that is perfect for powering mini electronic circuits and low-power devices. Because of its efficiency and durability, this solar cell is widely used in school projects, outdoor sensors, and DIY solar-powered creations.

This solar panel generates a stable 3V output when exposed to sunlight, and it delivers up to 0.15W of power. Due to its miniature design, it fits easily on small enclosures, robotic devices, portable tools, and experimental setups. Furthermore, it operates efficiently even under moderate light conditions, which makes it suitable for both indoor demonstrations and outdoor use.

The panel is built using high-quality polycrystalline solar material, providing a good balance between performance and affordability. Additionally, its strong epoxy coating protects it from moisture, dust, and scratches. As a result, it remains durable even when used in outdoor school experiments or prototype devices.

Because it is easy to connect, users can pair this solar cell with rechargeable batteries, boost converters, microcontroller circuits, and LED indicators. Moreover, the panel is ideal for beginners since it requires no advanced wiring. Simply connect the positive and negative terminals, and your circuit becomes instantly solar-powered.

Whether you are trying to understand how solar energy works or building a low-power gadget, this mini solar cell offers a safe and simple way to learn. In addition, the compact size of 40×30mm makes it perfect for portable and lightweight projects such as small robots, solar toys, wireless transmitters, IoT devices, and science models.

Overall, the Mini Solar Cell 3V 0.15W is an excellent choice for anyone looking to explore renewable energy, build eco-friendly electronics, or design compact solar-powered systems. With its durability, simplicity, and stable output, this module continues to be one of the most practical tools for educational and DIY solar projects.

Specifications

• Rated Voltage: 3V

• Output Power: 0.15W

• Current Output: Up to 50mA (depending on sunlight)

• Solar Cell Type: Polycrystalline

• Panel Material: Epoxy resin-coated

• Dimensions: 40mm × 30mm × 3mm

• Weight: approx. 6g

• Operating Environment: Indoor/outdoor sunlight

• Terminal Type: Solder pads

• Color: Black panel with epoxy finish

Key Features

• Compact size perfect for small electronics

• Generates clean, renewable solar power

• Durable epoxy coating for long life

• Lightweight and easy to mount

• Works efficiently in moderate sunlight

• Provides stable 3V DC output

• Ideal for beginners and educational use

• Suitable for low-power circuits and sensors

• Compatible with battery charging circuits

Applications

• DIY solar-powered gadgets

• Science and school projects

• Small robot and toy power supply

• Wireless IoT sensors

• Outdoor mini lighting

• Solar learning kits

• Environmental experiments

• Portable low-power devices

• Solar demonstration boards

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