{"product_id":"80x45mm-5v-75ma-diy-solar-panel-polycrystalline-silicon","title":"80x45mm 5V 75mA DIY Solar Panel – Polycrystalline Silicon","description":"\n\u003ch2\u003e80x45mm 5V 75mA DIY Solar Panel – Polycrystalline Silicon\u003c\/h2\u003e\n\u003cp\u003ePower your next DIY project with clean, renewable solar energy. This compact \u003cstrong\u003e80x45mm polycrystalline silicon solar panel\u003c\/strong\u003e delivers a stable \u003cstrong\u003e5V output at 75mA\u003c\/strong\u003e, 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.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact dimensions:\u003c\/strong\u003e 80 x 45mm — easy to integrate into small enclosures, prototypes, and craft builds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e 5V \/ 75mA — suitable for charging small batteries, powering microcontrollers, and low-current electronics\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePolycrystalline silicon cells:\u003c\/strong\u003e Efficient light-to-electricity conversion for everyday indoor and outdoor use\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrop-adhesive board design:\u003c\/strong\u003e Designed for straightforward mounting onto project boards or surfaces\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY-friendly:\u003c\/strong\u003e Pre-wired leads make it easy to connect to your circuit without specialist tools\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile use:\u003c\/strong\u003e Ideal for garden lighting, solar chargers, robotics, STEM education, and electronics experiments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e80 x 45 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e75mA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCell Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolycrystalline Silicon\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDrop adhesive board\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDIY electronics, garden projects, STEM, prototyping\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSolar-powered garden lights and outdoor decorations\u003c\/li\u003e\n  \u003cli\u003eCharging small rechargeable batteries (NiMH, LiPo via charge controller)\u003c\/li\u003e\n  \u003cli\u003eArduino, Raspberry Pi, and microcontroller projects\u003c\/li\u003e\n  \u003cli\u003eSchool and university STEM\/electronics demonstrations\u003c\/li\u003e\n  \u003cli\u003eHobbyist and maker community builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Go Solar?\u003c\/h3\u003e\n\u003cp\u003eSolar 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.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What can I power with this 5V 75mA DIY solar panel?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this solar panel suitable for outdoor use?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I connect this panel to my project?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the difference between polycrystalline and monocrystalline solar cells?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What can I power with this 5V 75mA DIY solar panel?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"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.\"}}, {\"@type\": \"Question\", \"name\": \"Is this solar panel suitable for outdoor use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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