Portable solar charger 10W – 12V battery maintenance (car, boat, motorcycle)

Transform the wind into energy to power your applications in remote sites!

The Air-Side 2000W wind kit is designed to provide reliable, sustainable, and renewable energy, perfect for autonomous habitats, telecommunication sites, bungalows, caravans, water pumps, and more.

This 12V solar charger for boat of 10W is designed to keep your batteries in good condition when your vehicle is at rest: boat, car, motorcycle, tractor, utility vehicle, snowmobile, etc. Thin, lightweight, and easy to install, it works like a small ready-to-use solar panel kit, ideal for wintering and prolonged storage.

Thanks to its compact flexible solar panel (ultra-flat) format and its SAE Plug & Play connections, you can simply protect your 12V batteries against discharge without having to modify your electrical installation.

Highlights of the solar charger for boat and vehicle 12V

• 🔌 SAE Plug & Play connection: simple connection, no need to reverse the + and −.
• 🚗 Two connection modes: cigarette lighter plug or crocodile clips on the battery.
• 🛡️ Integrated blocking diode: no reverse battery discharge at night.
• 🪟 Suction cups provided: easy installation on windshield, window, or sun visor.
• 🌞 Maintenance charging: compensates for self-discharge and small consumers (alarm, OBD, trackers…).
• ⚠️ Maintenance use: this panel does not recharge a deeply discharged battery to 100%, it is used to maintain it.

This panel is perfectly suited as a backup solution compared to higher power flexible solar panels: it is designed for charge maintenance, not to power large consumers.

For what uses?

Ideal for maintaining 12V batteries at rest:

• Wintering of boat or sailboat in port.
• Secondary vehicle or leisure vehicle rarely used.
• Motorcycle, quad, scooter, snowmobile, or seasonal tractor.
• Utility vehicle parked for a long time on a site or in storage.

In practice, this solar charger for boats prevents the battery from draining due to standby consumers (alarm, onboard electronics, OBD, etc.).

Contents of the 10W solar panel kit

• 1 × 10W monocrystalline solar panel (SAE connector, cable ~150 cm)
• 1 × cigarette lighter adapter (SAE, cable ~50 cm)
• 1 × pair of red/black crocodile clips (SAE, cable ~50 cm)
• 4 × PVC suction cups for attachment to window or windshield

Technical specifications

• Nominal power: 10 W
• Cell technology: monocrystalline solar
• Voltage at maximum power point (Vmp): 18 V
• Max current: 0.56 A
• Typical 12V battery charging voltage: protection threshold at 14.5 V, recovery at 13.5 V
• Overcharge protection: threshold of 14.5 V with recovery at 13.5 V to prevent overcharging the battery
• Panel cable (SAE): ~150 cm
• Crocodile clip cable (SAE): ~50 cm
• Cigarette lighter plug cable (SAE): ~50 cm
• Dimensions: 280 × 260 × 2.5 mm
• Weight: ~300 g

Installation & usage tips

1. Connection to cigarette lighter socket

Plug the SAE → cigarette lighter adapter. In some vehicles, the socket is not powered when the ignition is off: if you don't see a charge, use the crocodile clips directly on the battery instead.

2. Connection with crocodile clips

Connect the red clip to the battery + and the black clip to the −, via the SAE adapter. Check the clips are secure before closing the hood or moving the vehicle.

3. Panel positioning

Attach the panel with suction cups to the windshield or a window facing the sun. You can also secure it to the sun visor or a flat surface inside the vehicle.

4. Safety & best practices

• Remove the protective plastic film before first use.
• If you are connected directly to the battery terminals, disconnect the panel before starting the engine.
• For more powerful solar installations (multiple panels or large consumers), use a dedicated charge controller, ideally with MPPT charging, and suitable flexible or rigid solar panels.

Compatibility with other solar solutions

This 10W panel is designed as a solar panel maintenance kit. It complements an existing installation (roof panels, flexible solar panels on a boat, etc.) by only maintaining the starter battery or a 12V service battery.

For the main solar production (fridge, lighting, pump, etc.), it is still recommended to use more powerful panels with a PWM charge controller or MPPT charge suitable for the total power of the installation.

Warranty: 2 years
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