SRNE MD12100 Dual DC to DC & MPPT Controller
Product Description
SRNE MD12100 100A Dual DC to DC Charger & MPPT Controller
Ultra High-Output Dual-Input Campervan & Marine Battery Charger UK
The SRNE MD12100 (MD12100N05) is an ultra-high-output 100A dual-input DC-DC charger and MPPT solar charge controller engineered for heavy-duty 12V auxiliary and leisure battery systems. Designed for commercial vehicles, large motorhomes, expedition trucks, and marine vessels with high power demands, it intelligently combines charging power from both your vehicle's alternator and solar panels. Fully compatible with Euro 6 smart alternators and all major battery chemistries (including LiFePO4 Lithium), it delivers up to 100A continuous charging output to rapidly recharge large-capacity leisure battery banks while driving or parked off-grid.
Why choose the SRNE MD12100 Dual DC-DC & MPPT Controller?
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Ultra High-Capacity 100A Continuous Output: Delivers up to 100A total charging current to rapidly replenish large leisure battery banks and support heavy DC loads.
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Dual-Input Smart Charging: Simultaneously or independently charges your 12V leisure battery using vehicle alternator power while driving and solar energy when parked.
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1400W MPPT Solar Capability: Integrated MPPT solar regulator achieves over 99% tracking efficiency, supporting up to 1400W of solar PV input array power.
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Euro 6 Smart Alternator Compatible: Integrated ignition sensing (IGN terminal) supports traditional alternators as well as modern Euro 5 and Euro 6 smart alternators without undercharging.
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Multi-Chemistry & LiFePO4 Lithium Support: Pre-programmed multi-stage charging algorithms for Lithium (LiFePO4), AGM, Gel, and flooded lead-acid batteries with 0V lithium wake-up activation.
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Starter Battery Maintenance Trickle Charging: Automatically trickle-charges the 12V starter battery from excess solar power once the leisure battery bank is fully charged.
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Built-In Bluetooth & Smart App Connectivity: Integrated Bluetooth alongside RS485, CAN, and TTL communication ports for real-time monitoring and parameter adjustment via the SRNE mobile app.
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Dedicated UK Support & National RMA Coverage: Direct access to Get Green Energy's UK-based technical support team with streamlined warranty backup and national RMA exchange services.
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Fast UK Delivery: Dispatched directly from Get Green Energy.
Technical Specifications & Dimensions
SRNE MD12100 Dual DC-DC & MPPT Controller (MD12100N05)
| Feature | Specification |
| Model / Part Number | SRNE MD12100 / MD12100N05 |
| Nominal Auxiliary/Leisure Battery Voltage | 12 V DC |
| Max. Charging Current | 100 A DC |
| Max. Recommended PV Input Power | 1,400 W (12V System) |
| Max. Solar PV Open Circuit Voltage (Voc) | 50 V DC |
| MPPT Tracking Efficiency | $>99\%$ |
| Alternator Input Voltage Range | Conventional: 13.2V–16V DC / Euro 6 Smart: 12V–16V DC |
| Charging Mode | Multi-stage (Buck / Boost) |
| Supported Battery Chemistries | Lithium (LiFePO4), AGM, Gel, Sealed/Flooded Lead-Acid |
| Standby Power Consumption | $<0.6\text{ W}$ |
| Operating Temperature Range | -35°C to +65°C |
| Ingress Protection Rating | IP32 |
| Communication Protocols | Built-in Bluetooth, TTL, RS485, CANbus |
| Unit Dimensions (L × W × H) | 221 mm × 175.8 mm × 92.4 mm |
| Unit Net Weight | 2.50 kg |
| Manufacturer Warranty | 2 Years |
Need Help Sizing or Installing Your Off-Grid Power Setup?
If you have questions about cable gauge selection, fusing, solar panel matching, or high-amp leisure battery setup, give us a call on 01684 642370 and our technical team will help you configure the perfect system.