SOLAR TECHNOLOGY 20W Rigid Solar Panel Kit Compact & Reliable Power | Ideal for 12V Battery Charging The Solar Technology 20W Rigid Solar Panel Kit (SKU: 751-STP020) provides a compact and efficient solution for maintaining 12V batteries in various off-grid and mobile applications. This kit is designed for small-scale power needs, offering a reliable trickle charge to prevent battery drain and extend battery life. Featuring a robust rigid frame for permanent outdoor installation, this kit includes a 20W solar panel paired with a 10A charge controller. The charge controller is essential for protecting your 12V battery from overcharging and preventing reverse current drain, ensuring safe and efficient power management. KIT INCLUDES: 20W Rigid Solar Panel & 10A Charge Controller Key Features ▶ Compact 20W Output — Provides reliable trickle charging or small power for 12V systems. ▶ Robust Rigid Frame — Designed for permanent outdoor installation and durability. ▶ Integrated 10A Charge Controller — Protects your 12V battery from overcharging and reverse current drain. ▶ Versatile Application — Suitable for marine, campervan, motorhome, and small off-grid setups. ▶ Easy Battery Maintenance — Helps prevent battery discharge and extends battery life. Technical Specifications Parameter Value Power Output (Pmax) 20W Panel Dimensions (L x W x D) 540 x 278 x 25mm Panel Weight 1.7 kg Nominal Voltage (Vmp) 17.5 VDC Nominal Current (Imp) 1.15 A Open Circuit Voltage (Voc) 22 V Short Circuit Current (Isc) 1.27 A Daily Amp-hours (approx.) 6.9 Ah (based on 6 hours peak sun) Included Charge Controller 10A System Overview & Guidance Battery Compatibility 12V Lead-Acid (GEL, AGM, Flooded) Controller Function Overcharge & Reverse Discharge Prevention Recommended Use Maintaining Single 12V Batteries Typical Applications Application Description Campervans & Motorhomes Maintaining leisure batteries during storage or light use. Marine Vessels Trickle charging boat batteries, powering small electronics. Off-Grid Sheds & Cabins Providing minimal power for lighting or small devices. Remote Systems Powering electric fences, gates, or small pond pumps. Built-In Protection Functions The included 10A charge controller offers essential safeguards for your 12V battery system. These typically include: ▶ Overcharge Protection • Reverse Current Protection (prevents battery discharge back through the panel at night) • Short Circuit Protection • Overload Protection Common Questions What can a 20W solar panel kit power? A 20W kit is primarily designed for trickle charging and maintaining 12V batteries, preventing discharge. It can power very small loads like LED lights, phone chargers, or maintain a battery for a small motor, but is not intended for significant power demands. Is this kit suitable for continuous off-grid living? No, a 20W kit is generally too small for continuous off-grid living or powering multiple appliances. It's best suited for maintaining batteries in vehicles, boats, or providing minimal power for occasional use in small off-grid setups like sheds or cabins. Do I need to buy anything else for this kit to work? This kit includes the 20W rigid solar panel and a 10A charge controller. You will typically need appropriate cabling to connect the panel to the controller and the controller to your 12V battery. Mounting hardware for the panel is also usually purchased separately to suit your specific installation. Installation Notes Mount the solar panel in a location that receives maximum direct sunlight throughout the day, free from shadows. Ensure proper ventilation around the charge controller to prevent overheating. Always connect the charge controller to the battery first, then connect the solar panel to the controller. Follow the wiring diagrams provided with the specific charge controller and panel for safe and correct installation. Use appropriate gauge wiring for the distances involved to minimise voltage drop and maximise efficiency. Before You Buy Verify your power requirements: A 20W panel is suitable for very light loads or battery maintenance, not for powering multiple appliances. Confirm battery voltage: This kit is specifically designed for 12V battery systems. Consider mounting: Plan how and where you will securely mount the rigid solar panel on your chosen surface. Check for additional components: You may need to purchase cables, connectors, and specific mounting brackets separately to complete your installation. Consult a qualified installer: If you are unsure about any aspect of the installation or system design, seek professional advice. Specifications are based on standard test conditions (STC) and may vary. Always verify compatibility with your specific system requirements before purchase.
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