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6V 100mA Mini Solar Panel - 70x70mm Polycrystalline DIY Solar Cell for Projects

6V 100mA Mini Solar Panel - 70x70mm Polycrystalline DIY Solar Cell for Projects

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ComponentPeak VoltagePeak CurrentMaterial TypeEfficiencyPower OutputFrame Type
Value6V DC100mAPolycrystalline~17%0.6 WattsEpoxy Resin
ComponentOpen Circuit VShort Circuit ISurfaceBack MaterialWeightDimensions
Value7.2V110mAPET LaminatedPCB Board18 grams70 x 70 mm
Price
₹ 50.85 ₹ 50.85
(Tax included)

Product Description The 6V 100mA Mini Solar Panel is a compact and durable energy harvesting module designed for small-scale electronics and educational science projects. This 70x70mm square cell is constructed from high-efficiency polycrystalline silicon, protected by a weather-resistant epoxy resin coating. It is an ideal power source for charging small batteries, driving low-power DC motors, or powering wireless sensor nodes in remote locations. Its lightweight and rigid PCB backing make it easy to solder and integrate into custom enclosures for solar-powered toys, garden lights, and IoT prototypes.

Key Features

  • High Efficiency Cells: Utilizes polycrystalline silicon technology to provide reliable power conversion even in sub-optimal sunlight conditions.

  • Durable PET Lamination: The surface is laminated with PET film, offering excellent UV resistance and protection against light rain or dust.

  • Portable & Lightweight: At only 18 grams, it is perfect for weight-sensitive applications like solar-powered gliders or portable chargers.

  • Easy Soldering: Features large, pre-tinned copper pads on the rear side for secure wire attachment with standard soldering irons.

  • Versatile 6V Output: Designed specifically to interface with 5V logic systems or charge 3.7V Li-ion batteries via a charging controller.

Technical Details

  • Peak Power (Pmax): 0.6W output under standard test conditions (1000W/m², 25°C).

  • Open Circuit Voltage (Voc): Reaches up to 7.2V without a load, allowing for overhead in charging circuits.

  • Short Circuit Current (Isc): Max current of 110mA ensures consistent performance for low-power applications.

  • Epoxy Resin Encapsulation: Provides a smooth, high-transparency finish that maximizes light absorption while protecting the cells.

  • Operating Temperature: Maintains stable performance in outdoor temperatures ranging from -20°C to 80°C.

  • Rigid PCB Substrate: The solar cells are mounted on a high-quality glass fiber PCB to prevent cracking during handling.

  • Environmental Friendly: A clean, noise-free energy solution for reducing the carbon footprint of small electronic devices.

  • Low Light Performance: Engineered to generate measurable voltage even in overcast or cloudy weather.

  • Ultra-Thin Profile: Only ~2-3mm thick, allowing for flush mounting on flat or slightly curved surfaces.

  • Connection Type: Features clearly marked (+) and (-) terminal pads for correct polarity during assembly.

  • Corrosion Resistance: The rear soldering pads are treated to resist oxidation, ensuring long-term electrical conductivity.

  • DIY Friendly: Widely used in school STEM projects and university research for renewable energy demonstrations.

  • Maintenance Free: No moving parts; simply keep the surface clean from dust to maintain maximum efficiency.

  • Scalable Design: Multiple panels can be connected in series (for more voltage) or parallel (for more current) for larger power needs.

  • Impact Resistance: The PET coating provides a degree of impact protection against small debris or accidental drops.

Prototyping and Engineering Tips from Robogears

  • 9V Battery Use: This panel outputs 6V, which is lower than a 9V battery. However, you can connect two of these panels in series to get ~12V, which can then be regulated down to 9V using an LM7809 regulator to replace a standard battery with solar power.

  • 18650 Cell: This 6V panel is the perfect match for charging a 3.7V 18650 cell. You must use a TP4056 Lithium Charging Module between the panel and the battery to manage the charging voltage and prevent overcharging.

  • IC & Capacitor Tip: Solar voltage can fluctuate wildly as clouds pass. Add a 1000uF 16V Electrolytic Capacitor across the panel's output to stabilize the voltage. Use a 1N4007 Diode in series with the positive lead to prevent the battery from discharging back into the solar panel at night.

  • Related Products: We recommend pairing this with our TP4056 Modules, 18650 Batteries, and Mini DC Motors.

Package Includes

  • 1 x 70mm x 70mm 6V 100mA Polycrystalline Solar Panel.

Disclaimer Image is for ilastration purpose only 2-3 lines. Output power is directly dependent on sunlight intensity and angle; for maximum efficiency, the panel should face the sun directly. Do not apply heavy pressure or bend the panel, as the silicon cells inside are fragile.