D250S - 12V Dual DC Battery Charger | CTK56-677

The CTEK 56‑677 D250S Dual is a smart, fully automatic 12 V dual-input power manager and charger designed for RVs, boats, off-grid vehicles, and mobile power systems. Capable of seamlessly drawing from alternators and solar/wind sources, it delivers efficient five-stage charging with temperature compensation and MPPT solar regulation—all in a rugged, weatherproof IP65 package.

• Dual DC inputs with intelligent source selection
• Five-stage CTEK charging algorithm
• Temperature-compensated charging
• Universal compatibility