Solar Panel 30W Monocrystalline 12V Marine Charger | 4Boats

30 W monocrystalline solar module designed to charge 12 V batteries on small craft and tenders, offering silent, passive auxiliary charging while at anchor or in harbour.

• Monocrystalline cells - higher efficiency per area than polycrystalline
• 30 W output - provides auxiliary charging for 12 V (12‑volt) battery banks
• 12 V system compatibility - works with standard marine batteries and battery banks
• Suitable for small craft - ideal for tenders, instruments and maintenance charging
• Passive operation - silent power without fuel, engines or moving parts