🔹 6V 3W Solar Panel – Mini Epoxy Encapsulated Solar Cell
This 6V 3W solar panel is a compact, durable, and efficient photovoltaic module designed for small-scale solar projects. Encapsulated in high-quality epoxy resin, it is weather-resistant and ideal for outdoor use. Perfect for charging batteries, powering Arduino projects, educational kits, and other low-power electronics.
✅ Specifications:
Maximum Power (Pmax): 3 Watts
Voltage at Max Power (Vmp): 6V (typical)
Current at Max Power (Imp): ~500mA
Open Circuit Voltage (Voc): 7.2V – 8.0V
Short Circuit Current (Isc): ~550mA – 600mA
Cell Type: Polycrystalline / Monocrystalline (varies by manufacturer)
Encapsulation: High-transparency epoxy resin
Backing: Fiberglass / PCB board
Dimensions: ~180mm x 130mm x 3mm (approximate, varies by brand)
Output Leads: Pre-soldered wires / terminal strip
Operating Temperature: -20°C to +60°C
Weather Resistance: Splash-proof (suitable for outdoor use but not submersible)
📦 Features:
✔️ Compact and lightweight design
✔️ Durable epoxy encapsulation
✔️ Pre-drilled mounting holes for easy installation
✔️ Weather-resistant for outdoor projects
✔️ High-efficiency solar cells
✔️ Ready to use with pre-attached leads
✔️ Environmentally friendly, lead-free construction
📦 Applications:
✔️ Charging 3.7V Li-ion / Li-Po batteries (with charge controller)
✔️ Charging 6V lead-acid / sealed lead-acid batteries
✔️ Powering Arduino and microcontroller projects
✔️ Solar-powered LED lighting (garden lights, pathway lights)
✔️ Educational science experiments
✔️ Small water pumps and fans
✔️ Solar battery maintainers
✔️ DIY solar chargers for phones (with regulator)
✔️ Remote sensor power supply
🔧 Typical Charging Setup:
For 3.7V Li-ion: Use a TP4056 charge module with protection
For 6V Lead-Acid: Use a 6V solar charge controller
For 5V USB devices: Use a 5V regulator (e.g., LM2596, MT3608, or 5V buck converter)
⚠️ Important Notes:
Voltage output varies. Solar panel output voltage and current depend on sunlight intensity. In full sun, Voc may exceed 8V.
Charge controller recommended. For battery charging, always use an appropriate charge controller to prevent overcharging.
Diodes. A blocking diode (e.g., 1N5819 Schottky) is recommended to prevent reverse current at night.
Weather resistance. Epoxy encapsulation provides splash resistance but the panel is not fully waterproof. Avoid prolonged submersion.
Orientation. For maximum output, angle the panel toward the sun (typically south in the northern hemisphere).






















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