Renogy 12V 30/50A DC-DC On-Board Battery Charger with MPPT
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Need Reliable Charging on Every Drive? The Renogy 12V 30/50A DC-DC On-Board Battery Charger with MPPT Keeps Your Batteries Powered and Ready
If you want a simple and reliable way to keep your auxiliary batteries charged while you're on the move, the Renogy 12V 30/50A DC-DC On-Board Battery Charger with MPPT is designed to do exactly that. Whether you're travelling in a 4WD, caravan, camper trailer or boat, this charger helps ensure your batteries stay powered and ready for your next adventure.
The 12V 30/50A DC-DC On-Board Battery Charger with MPPT combines two essential charging functions in one compact unit. It draws power from your vehicle's alternator while driving and also features built-in MPPT solar charging technology. This means you can make the most of your solar panels when parked up and continue charging efficiently wherever you go.
Designed to support modern battery systems, this charger provides smart multi-stage charging to help maximise battery performance and lifespan. It automatically adjusts the charging process to suit your battery's needs, helping protect your investment and keep your power system operating at its best.
The integrated MPPT solar controller continuously tracks the optimal power point of your solar panels, allowing it to harvest more energy than traditional charging methods. This can lead to faster charging and improved efficiency, especially when solar conditions vary throughout the day.
Built for demanding off-grid environments, the Renogy 12V 30/50A DC-DC On-Board Battery Charger with MPPT offers a dependable solution for travellers who need reliable power away from mains electricity. Whether you're running fridges, lights, communication equipment or other essential devices, this charger helps keep your batteries topped up and your adventures running smoothly.

Packages Includes
Package with Only Battery Charger
- 12V 50A DC-DC On-Board Battery Charger with MPPT x 1
- Battery Temperature Sensor x 1
- Battery Voltage Sensor x 1
- IGN Signal Wire x 1
- User Manual x 1
Package with Bluetooth
- 12V 50A DC-DC On-Board Battery Charger with MPPT x 1
- BT-2 Bluetooth Module x 1
- Battery Temperature Sensor x 1
- Battery Voltage Sensor x 1
- IGN Signal Wire x 1
- User Manual x 1
Package with Monitor Screen
- 12V 50A DC-DC On-Board Battery Charger with MPPT x 1
- Monitoring Screen for DC-DC MPPT Battery Charger Series x 1
- Battery Temperature Sensor x 1
- Battery Voltage Sensor x 1
- IGN Signal Wire x 1
- User Manual x 1
Package with Renogy ONE Core
- 12V 50A DC-DC On-Board Battery Charger with MPPT x 1
- Renogy ONE Core x 1
- BT-2 Bluetooth Module x 1
- Battery Temperature Sensor x 1
- Battery Voltage Sensor x 1
- IGN Signal Wire x 1
- User Manual x 1

12V 30/50A DC-DC On-Board Battery Charger with MPPT Electrical Data
| System Voltage | 12V-12V |
| Input Voltage | 50 VDC |
| Output Voltage | 9-16 VDC |
| Alternator Input | Traditional Alternator: 13.2-16 VDC Smart Alternator (Euro 6): 12-16 VDC |
| Maximum Output Current Rating | 50A |
| Output Power | 660W |
| Battery Types | AGM/SLD , GEL ,FLD ,LI,USER |
| Input Fuse Rating | 75A-100A |
| Output Fuse Rating | 75A-100A |
| Charging Efficiency | 94% |
| Temperature Compensation | -3mV / ℃ / 2V (Non-Lithium) 0mV / ℃ / 2V (Lithium) |
| Idle Power Consumption | <30mA |
12V 30/50A DC-DC On-Board Battery Charger with MPPT General Data
| Model | RBC50D1S |
| Terminal Size | M8 x 1.25 - 10mm |
| Terminal Range | 8AWG-4AWG |
| Grounding | Common Ground |
| Communication Protocol | RS485 |
| Operating Temperature Range | -31℉ to 149℉/-35℃ to 65℃ |
| Storage Temperature Range | -40℉ to 176℉/-40℃ to 80℃ |
| Humidity | 0%-95%, No Condensation |
| Maximum Operating Altitude | N/A |
| Enclosure Rating | N/A |
| Dimensions | 9.61 x 5.75 x 3.78 inch/244 x 146 x 96mm |
| Weight | 4.10 lb / 1.86 kg |
| Certification | "CE;ROHS;FCC Part 15 class B; ETL listed to UL 1741 & CSA C22.2" |
| Warranty | 2 years material and workmanship warranty |
| Protection | Reverse Polarity Protection/Overvoltage Protection/Over Discharge Protection/Overcurrent Protection/Over Temperature Protection/Overcurrent Protection |
