SRNE MD1260 Dual DC to DC & MPPT Controller

Intelligent dual-input battery charging for motorhomes, campervans and off-grid adventures. Keep your leisure batteries charged whether you're driving or parked up with the SRNE MD Series DC-DC charger. Combining powerful alternator charging with an integrated MPPT solar charge controller, this intelligent all-in-one solution makes managing your motorhome's electrical system easier and more efficient. Designed for modern campervans, motorhomes and leisure vehicles, the SRNE MD Series delivers reliable battery charging from your vehicle's alternator and solar panels, reducing the need for separate charging equipment. Two Charging Sources. One Intelligent Solution. Up to 60A Alternator Charging Take advantage of your vehicle's alternator while driving, providing up to 60A of charging current to your leisure battery. Suitable for conventional and smart alternator systems, including modern Euro 6 vehicles. Integrated 60A MPPT Solar Controller Harness free energy from the sun with the built-in MPPT solar charge controller, supporting up to 800W of solar panels. Advanced maximum power point tracking helps optimise the available solar energy throughout the day. Intelligent Dual-Battery Management The SRNE MD Series is designed to manage charging for both the leisure battery and vehicle starter battery, helping maintain battery performance and making better use of available charging sources. Key Features 60A maximum alternator charging – powerful DC-DC charging while driving. 60A MPPT solar charging – integrated solar charging without a separate controller. Up to 800W solar input – ideal for larger motorhome solar installations. Smart alternator compatible – supports conventional and Euro 6 alternators. Lithium and lead-acid compatible – suitable for a range of leisure battery technologies. Starter battery charging support – intelligent dual-battery management. High conversion efficiency – up to 98% charging conversion efficiency. Silent operation – natural cooling without noisy cooling fans. Bluetooth monitoring – compatible with an external Bluetooth module for app-based monitoring. Compact all-in-one design – simplifies installation and reduces wiring requirements. Technical Specifications MD1260N10 PV INPUT Maximum PV Open Circuit Voltage (Voc) 95V MPPT Voltage Range 15 × N – 72V Maximum PV Input Current 55A Maximum PV Input Power 800W / 1600W HOUSE BATTERY Battery Type Sealed Lead-Acid, Gel, Flooded Lead-Acid, LiFePO4 (LFP), User Defined Rated Battery Voltage 12V / 24V / Auto Detection Battery Voltage Range 9–32V DC Rated Charging Current 60A STARTER BATTERY / ALTERNATOR Battery Type Lead-Acid Rated Battery Voltage 12V / 24V / Auto Detection Adjustable Voltage Range 12–15V DC (×2 for 24V systems) Maximum Alternator Input Current 70A Alternator Charging Mode Buck / Boost EFFICIENCY MPPT Tracking Efficiency >99% Maximum Charging Conversion Efficiency 97% GENERAL Weight 3.1kg Dimensions (L × W × H) 266 × 171.3 × 86.6mm Protection Rating IP32 Operating Temperature -35°C to +65°C Communication Bluetooth, RS485, CAN Specifications are based on the manufacturer's MD1260N10 datasheet V1.01 and may be subject to change. Applications Campervans, motorhomes, and RVs Marine and boat installations Off-grid cabins and mobile power setups Dual-battery vehicle systems Summary The SRNE MD1260N05 combines intelligent charging control with powerful MPPT solar optimisation, ensuring efficient battery management wherever you go. Designed for reliability and simplicity, it’s the perfect solution for maintaining fully charged leisure or auxiliary batteries in any off-grid environment.