Premium Truma MPPT Solar Regulator - Charge Two Batteries Simultaneously For sale is a Truma SDC25 MPPT Solar Charge Controller (Model: MPPT5025A-DUO-BT). This is a high-end, professional-grade regulator from Truma, the leading brand in caravan and motorhome accessories. Key Features: MPPT Technology: Up to 30% more efficient than standard PWM controllers, ensuring you get the most out of your solar panels even in cloudy UK weather. Dual Battery Charging (DUO): Specially designed to charge both your leisure battery (Main) and your vehicle/starter battery (Start) at the same time. Bluetooth Integrated: Monitor your solar yield and battery status directly on your smartphone via the Truma App. Multi-Battery Support: Adjustable settings for GEL, Lead Acid, AGM, and LiFePO4 (Lithium) batteries. Safety: Built-in fuse protection and temperature sensor port. Technical Specs: Input: Max 50v System Voltage: 12V. Charging Current: 12A,25A Ideal for campervan conversions (VW Transporter, Sprinter, etc.) or as an upgrade for your caravan. Truma quality ensures reliability and long-term performance