Solar Technology | Off-Grid Power Solar Technology 80W Rigid Solar Panel Kit STP080MA | 80W Panel & 10A Dual Battery PWM Charge Controller The Solar Technology 80W Rigid Solar Panel Kit (STP080MA) provides a reliable and efficient solution for off-grid power generation. This comprehensive kit includes an 80W rigid solar panel (STP080) and a 10A Dual Battery PWM Charge Controller (STCC10), designed to keep your 12V or 24V battery systems charged and protected. Ideal for a range of applications from caravans and motorhomes to boats and remote installations, this kit ensures a consistent power supply, helping to prevent battery drain and support energy self-sufficiency. The robust design of the rigid panel, combined with the intelligent charging capabilities of the controller, makes it a practical choice for various UK off-grid scenarios. KIT INCLUDES: 80W Rigid Solar Panel (STP080) & 10A Dual Battery PWM Charge Controller (STCC10). Key Features ▶ 80W Rigid Solar Panel — Delivers consistent power for various off-grid needs. ▶ 10A Dual Battery Charge Controller — Manages charging for two 12V or 24V batteries simultaneously. ▶ Bypass Diodes Included — Minimises power loss from shading on the 80W panel for enhanced energy generation. ▶ Automatic 12/24V Recognition — The charge controller automatically detects system voltage for ease of use. ▶ Comprehensive Protection Functions — Safeguards against common electrical issues like overcharge and reverse current. ▶ Optimised PWM Charging — Extends battery lifespan and improves overall solar system performance. Technical Specifications Solar Technology 80W Rigid Solar Panel (STP080) Parameter Value Power (Pmax) 80W Dimensions (L x W x D) 836 x 670 x 35mm Weight 6.7Kg Voltage at Max Power (Vmp) 17.5VDC Current at Max Power (Imp) 4.65A Open Circuit Voltage (Voc) 22V Short Circuit Current (Isc) 5A Estimated Amp Hours per Day 27.9Ah Solar Technology 10A Dual Battery Charge Controller (STCC10) Parameter Value Nominal System Voltage 12/24VDC Auto Rated Battery Current 10A Max. Solar Panel Wattage (12V/24V) 150W Battery Voltage Range 6-36V Over Voltage Disconnect 16V/32V Charging Limit Voltage 14.6V/29.2V Equalize Charging Voltage 14.6V/29.2V Float Charging Voltage 13.8V/27.2V Operating Temperature -35°C to +55°C Dimensions (L x W x D) 135 x 70 x 35mm Terminal Size 6mm² Net Weight 155g Charging & Output Modes The STCC10 charge controller employs efficient Series PWM charging to optimise battery health and system performance. It features a unique dual battery charging function, allowing it to manage two separate battery banks simultaneously. The controller prioritises the first connected battery (Battery 1) until it reaches approximately 70% charge, then balances the charging to bring both batteries to a full state. This controller is specifically designed for lead-acid batteries. While it can be used with LiFePO4 batteries, it may only achieve an 85-90% charge due to the specific voltage requirements of lithium chemistry, as PWM controllers do not have adjustable settings for these battery types. Typical Applications Caravans & Motorhomes Provides continuous power for leisure batteries, supporting lighting, appliances, and charging devices during travel. Boats & Marine Vessels Maintains battery charge for navigation, communication, and onboard electrical systems. Off-Grid Cabins & Sheds Powers essential systems in remote locations without mains electricity access. Remote Monitoring & Security Suitable for powering electric fences, gates, and small pumps in garden ponds or agricultural settings. Built-In Protection Functions The STCC10 charge controller incorporates comprehensive self-diagnostics and electronic protection features to ensure safe and reliable operation. These include: Reverse Current Protection • Overload Protection • Open Circuit Protection • Lightning Surge Protection • Deep Discharge Protection • Over Voltage Disconnect • Charge Current Protection up to 10A. Common Questions What type of batteries can this charge controller be used with? The STCC10 charge controller is primarily designed for lead-acid batteries. While it can charge LiFePO4 batteries, it may only reach 85-90% capacity due to the PWM charging technology and fixed voltage settings. Can it charge two batteries at once? Yes, the STCC10 features a unique dual battery charging function, allowing it to charge two separate 12V or 24V battery banks. It prioritises the first battery to about 70% charge before balancing the charge to both. What is the maximum solar panel wattage for this controller? The 10A STCC10 charge controller is suitable for solar panels up to 150 Watts. Do I need a charge controller for an 80W panel? Yes, a charge controller is recommended for rigid solar panels of 20W and above to protect your battery from overcharging and to prevent reverse current drain. Installation Notes Position the solar charge controller as close as possible to the battery in a dry, well-ventilated location. Ensure at least 150mm (6 inches) of clearance above and below the controller for adequate airflow and cooling. Always disconnect the solar module and any fuses/breakers near the battery before installing or adjusting the controller. Exercise caution when handling solar wiring due to high voltage output. Cover the solar module from the sun before wiring. Install external fuses/breakers as required by local regulations and manufacturer guidelines. When connecting two batteries in a caravan, motorhome, or boat, ensure each battery circuit is completely independent to avoid issues with common negatives. This may require a manual changeover switch or an adjustable voltage sensing relay. Before You Buy Verify the 80W panel's dimensions (836 x 670 x 35mm) are suitable for your intended mounting location. Confirm the 10A charge controller's capacity (up to 150W solar input) is appropriate for your current and future solar panel setup. Ensure your battery type (e.g., lead-acid) is compatible with a PWM charge controller for optimal charging performance. Consider the specific wiring requirements for dual battery systems, especially in marine or vehicle applications, to ensure correct operation. Consult a qualified installer if you are unsure about any aspect of system design or electrical connections. Product specifications are based on manufacturer data and verified information. Always refer to the official product manual for detailed installation and operation instructions.
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