12W 18V Solar Panel 300cm DC5521 Cable – 12V Battery Charger
12W 18V Solar Panel 300cm DC5521 Cable – 12V Battery Charger
12W Polycrystalline Solar Panel – Reliable Off-Grid Battery Charging
Keep your 12V batteries topped up anywhere the sun shines with this compact 12W 18V polycrystalline solar panel. Designed for outdoor durability, it operates across a wide temperature range of -20°C to 60°C, making it a dependable power source for camping, caravans, boats, remote sensors, garden lighting, and more. The included 3-metre (300cm) DC5521 cable gives you flexible placement freedom so you can position the panel for maximum sun exposure without being tethered to your device.
Key Features
- 12W Efficient Output: Polycrystalline silicon cells deliver steady solar energy conversion for consistent 12V–18V battery charging.
- 18V Working Voltage: Optimal voltage output ensures stable charging across a variety of conditions and battery types.
- 300cm DC5521 Cable: A generously long, pre-attached cable for flexible panel placement and plug-and-play connectivity.
- Wide Operating Temperature: Performs reliably from -20°C to 60°C — ideal for harsh outdoor and all-season environments.
- Compact & Portable: At just 330 × 230mm, this lightweight panel is easy to mount, carry, or store when not in use.
Full Specifications
| Power Output | 12W |
| Working Voltage | 18V |
| Short Circuit Voltage | 21.5V |
| Operating Current | 0–660mA |
| Short Circuit Current | 680mA |
| Interface | DC5521 |
| Cable Length | 300cm (3 metres) |
| Material | Polycrystalline Silicon |
| Panel Dimensions | 330 × 230mm |
| Operating Temperature | -20°C to 60°C |
| Country of Origin | Made in China |
What's in the Box
- 1× 12W Solar Panel (with 300cm DC5521 cable pre-attached)
Perfect Pairing
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Notes
Actual colour may vary slightly from images due to monitor settings and ambient lighting. Please allow a small tolerance (±1–2mm) for manual measurement of dimensions.
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Frequently Asked Questions
Q: What type of batteries can this 12W solar panel charge?
A: This solar panel is designed primarily to charge 12V batteries, including lead-acid, AGM, and other standard 12V rechargeable batteries commonly used in vehicles, boats, caravans, and off-grid setups. Its 18V working voltage provides the headroom needed to efficiently charge a 12V battery bank.
Q: Does the 12W solar panel work in cold or very hot weather?
A: Yes. The panel is rated for an operating temperature range of -20°C to 60°C, making it suitable for use in a wide range of outdoor environments — from cold winters to hot summer days — without loss of performance.
Q: What does the DC5521 connector mean, and is it compatible with my device?
A: DC5521 refers to a barrel-style DC connector with a 5.5mm outer diameter and 2.1mm inner pin — one of the most common DC plug standards used in 12V electronics, battery chargers, and power modules. Check your device's charging port specification to confirm compatibility before purchase.
Q: Is a charge controller included with the solar panel?
A: The package includes 1× solar panel with the 300cm DC5521 cable only. A separate solar charge controller is recommended when connecting to a battery to regulate charging and protect battery life — especially for extended charging sessions.