Photonic Universe Series 10W Monocrystalline Solar Panel Trickle Charger BST-10M | 12V Battery Maintainer | Marine & Outdoor Use The Photonic Universe 10W Monocrystalline Solar Panel (SKU: BST-10M) is a robust and efficient solution for maintaining 12V batteries and powering small DC loads in various outdoor and off-grid applications. This compact solar panel is engineered with high-efficiency monocrystalline cells, encased in a durable, sealed aluminium frame, making it ideal for continuous use in challenging environments. Designed for reliability, this waterproof panel is perfect for trickle charging batteries in boats, motorhomes, caravans, and other vehicles, helping to prevent discharge and extend battery life. It can also directly power low-consumption devices such as lights or fans. IMPORTANT NOTE: For charging 12V batteries, this solar panel requires a suitable solar charge controller/regulator to prevent overcharging and ensure optimal battery health. Key Features ▶ High-Efficiency Monocrystalline Cells — Delivers consistent power output even in varying light conditions. ▶ Durable Aluminium Frame — Provides robust protection and longevity in outdoor environments. ▶ Fully Waterproof Design — Ensures reliable operation in all weather, ideal for marine and outdoor use. ▶ Integrated Blocking Diode — Prevents reverse current flow from the battery back to the panel at night. ▶ Compact & Lightweight — Easy to handle, position, and install with four pre-drilled mounting holes. ▶ 2m Cable Included — Provides flexibility for initial connection to your system. Technical Specifications Parameter Value Peak Power (Pmax) 10W Voltage at Max Power (Vmp) 17.5V Current at Max Power (Imp) 0.57A Open Circuit Voltage (Voc) 21.6V Short Circuit Current (Isc) 0.61A Power Tolerance ±3% Dimensions (L x W x D) 34 x 24 x 2 cm Weight 1.2 kg Cable Length 2m Typical Applications Application Description Marine & Boating Ideal for trickle charging 12V leisure batteries on boats, yachts, and other marine vessels to prevent discharge during storage. Motorhomes & Caravans Maintains starter or leisure batteries in recreational vehicles, ensuring they are ready for use. Automotive Keeps car, van, or motorbike batteries topped up, especially for vehicles stored for extended periods. Sheds, Gardens & Farms Powers small 12V devices or charges batteries for lighting, pumps, electric fences, or gate openers. Small Off-Grid Systems Provides supplementary power for remote cabins, allotments, or emergency backup setups. Built-In Protection Functions This Photonic Universe 10W solar panel features an integrated blocking diode within its junction box. This diode is crucial for preventing reverse current flow, which means it stops the battery from discharging back into the solar panel during periods of darkness or low light. This helps to preserve battery charge and ensures more efficient energy retention within your 12V system. Please note that while the blocking diode protects against reverse current, it does not offer overcharge protection for your battery. A separate solar charge controller is required for comprehensive battery management. Common Questions What is this panel primarily used for? This 10W monocrystalline solar panel is designed for trickle charging and maintaining 12V batteries, particularly in applications like boats, caravans, motorhomes, and remote sheds. It can also power small 12V DC loads directly. Do I need a charge controller with this panel? Yes, for charging 12V batteries, a solar charge controller is required. While the panel has a blocking diode to prevent reverse current, a charge controller is essential to regulate the voltage and current, preventing battery overcharging and optimising its lifespan. Can it be left connected to a battery overnight? When connected via a suitable solar charge controller, the system can typically be left connected overnight. The controller will manage charging and prevent reverse current, ensuring your battery is protected. Without a controller, the integrated blocking diode prevents reverse current, but overcharge protection is absent during daylight hours. What type of batteries is this panel suitable for? This panel is suitable for trickle charging and maintaining 12V lead-acid batteries, including sealed, gel, and flooded types, when used with an appropriate charge controller. Installation Notes Position the panel in a location that receives maximum direct sunlight throughout the day, avoiding shading from trees or structures. Utilise the four pre-drilled mounting holes for secure installation on flat surfaces. Ensure all connections are secure and waterproof, especially in marine or exposed outdoor settings. For permanent installations or if unsure, consider consulting a qualified electrician or solar installer. Before You Buy Verify your system voltage is 12V to ensure compatibility with this panel. Confirm the capacity of the battery you intend to charge; a charge controller is essential for proper battery management. Consider your specific application and environmental conditions to ensure this panel meets your power requirements. This panel is designed for permanent outdoor use and comes with a 1-year workmanship warranty. Always verify product specifications and compatibility with your existing system components before purchase. All information is based on verified manufacturer data and general product knowledge.
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