80x45mm 5V 75mA DIY Solar Panel – Polycrystalline Silicon
80x45mm 5V 75mA DIY Solar Panel – Polycrystalline Silicon
80x45mm 5V 75mA DIY Solar Panel – Polycrystalline Silicon
Power your next DIY project with clean, renewable solar energy. This compact 80x45mm polycrystalline silicon solar panel delivers a stable 5V output at 75mA, making it an ideal component for hobbyists, makers, and electronics enthusiasts. Whether you're building a small solar-powered garden light, a low-power sensor node, or an educational electronics project, this panel gives you a reliable, plug-and-play energy source in a lightweight, easy-to-mount form factor.
Key Features
- Compact dimensions: 80 x 45mm — easy to integrate into small enclosures, prototypes, and craft builds
- Output: 5V / 75mA — suitable for charging small batteries, powering microcontrollers, and low-current electronics
- Polycrystalline silicon cells: Efficient light-to-electricity conversion for everyday indoor and outdoor use
- Drop-adhesive board design: Designed for straightforward mounting onto project boards or surfaces
- DIY-friendly: Pre-wired leads make it easy to connect to your circuit without specialist tools
- Versatile use: Ideal for garden lighting, solar chargers, robotics, STEM education, and electronics experiments
Specifications
| Dimensions | 80 x 45 mm |
| Voltage Output | 5V |
| Current Output | 75mA |
| Cell Type | Polycrystalline Silicon |
| Mounting | Drop adhesive board |
| Application | DIY electronics, garden projects, STEM, prototyping |
Perfect For
- Solar-powered garden lights and outdoor decorations
- Charging small rechargeable batteries (NiMH, LiPo via charge controller)
- Arduino, Raspberry Pi, and microcontroller projects
- School and university STEM/electronics demonstrations
- Hobbyist and maker community builds
Why Go Solar?
Solar energy is one of the most accessible forms of renewable power for hobbyists and DIY makers. Even a small panel like this can offset battery usage for low-power devices and help you explore sustainable electronics. Learn more about solar energy technology and its applications at energy.gov – Solar Energy Basics.
Frequently Asked Questions
Q: What can I power with this 5V 75mA DIY solar panel?
A: This panel outputs 5V at up to 75mA (approximately 375mW peak), which is suitable for powering low-current electronics such as small LED circuits, garden lights, microcontroller modules (e.g. Arduino with a regulator), solar battery chargers for small NiMH cells, and basic sensor nodes. For higher loads, multiple panels can be wired in parallel.
Q: Is this solar panel suitable for outdoor use?
A: Yes. Polycrystalline silicon panels are well-suited for both indoor and outdoor applications. For permanent outdoor installation, ensure the panel and any wiring connections are adequately weatherproofed to protect against moisture and UV exposure.
Q: How do I connect this panel to my project?
A: The panel comes with pre-attached leads, making it straightforward to integrate into a breadboard, PCB, or directly into a battery charge controller. Simply connect the positive (red) lead to your circuit's positive rail and the negative (black) lead to ground. For battery charging applications, always use an appropriate charge controller to protect your battery.
Q: What is the difference between polycrystalline and monocrystalline solar cells?
A: Polycrystalline silicon cells are made from multiple silicon crystal fragments, offering a cost-effective balance of efficiency and affordability — ideal for DIY and hobbyist projects. Monocrystalline cells offer slightly higher efficiency but at a greater cost. For small DIY builds, polycrystalline panels like this one are an excellent practical choice.