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XXM540 25W Monocrystalline Solar Panel 16V (MC4) - Slim Flexible Charger for RV, Yacht, Car Battery, Balcony and Roof
Add reliable off-grid power to your setup with the XXM540 25W monocrystalline solar panel. Designed for compact installations and curved surfaces, it's a practical choice for RVs, boats, yachts, campers, trailers, cabins, and even balcony or roof mounting where space is limited. With a 16V operating output and MC4 connectors, it's built for stable connection into compatible solar systems, helping support 12V battery setups via the correct controller and providing extra energy during travel, docking, or outages.
High-efficiency monocrystalline cells are designed to perform well even in less-than-perfect lighting, while multi-layer lamination helps protect the panel for longer service life. Four mounting holes make installation simpler on many surfaces, so you can secure it where it gets the most sun.
Key features & specifications
- High-efficiency monocrystalline silicon solar cells for reliable power generation
- Maximum power: 25W
- Operating voltage: 16V
- Open circuit voltage: 19.2V
- Maximum power current: up to 1.56A
- Output connector: MC4 for secure, standard solar connections
- Slim panel size: 540 x 280 x 3 mm
- Flexible design suited for curved/irregular surfaces (RV roofs, boat decks, tents, trailers)
- Multi-layer lamination/encapsulation to enhance durability and lifespan
- 4 mounting holes for easier fixing on different surfaces
- Suitable uses: RV, yacht, car/12V battery systems (with controller), balcony, roof installations
Ideal usage examples
- RV and camper vans: maintain battery charge for lights, pumps, and small electronics
- Boats and yachts: support onboard 12V systems while docked or underway
- Car and trailer setups: trickle support for 12V batteries (with a suitable charge controller)
- Balcony solar: compact panel for small off-grid charging setups
- Remote cabins and tents: add a lightweight solar source where mains power isn't available
Why this solar panel is perfect to buy
The XXM540 is a smart pick when you need a compact panel that s easier to mount on curved or limited spaces. You get efficient monocrystalline performance, standard MC4 output, and a slim build that fits many mobile and small solar setups. It s ideal for topping up batteries and adding extra peace of mind during travel and power interruptions.
Interesting facts about 16V solar panels for 12V systems
- Panels with a higher operating voltage (like 16V) are commonly used with 12V battery systems because charging requires a voltage above the battery s current level.
- MC4 connectors are widely used in solar because they provide secure, weather-resistant connections and reduce accidental disconnection risk.
- Real-world output depends heavily on sunlight angle and temperature; keeping the panel unshaded and angled toward the sun can significantly improve performance.
Good to know
To charge a 12V battery safely, use a compatible solar charge controller between the panel and the battery. Always match polarity and use correct cabling for MC4 connections.
Package includes
- 1 x XXM540 solar panel
- 2 x MC4 connectors
- 2 x Screws
- 1 x English user manual
Package: Euroblister
EAN: 5714122623966
Related categories: Phone Accessories, Boat Accessories
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