Monitoring Screen for DC-DC MPPT Battery Charger Series


The RMS-DCDC is a high precision meter designed for DC-DC MPPT Series onboard battery chargers. Engineered for an aesthetically clean and professional look once mounted, this meter can be flush-mounted and features a backlit LCD. Utilize the 4-key input to navigate through the LCD for system information, configure charging parameters, as well as identify any error codes. The RMS-DCDC is the perfect companion, offering operator feedback on your 2-battery system and keeping you up to date with important system information.

If you have any questions regarding this product, please call us at 1 (909) 287-7111 or email

Key Features

• Dual Battery Monitoring
  • Stay informed about your house and auxiliary battery's charging status and easily monitor the solar system's overall health.
• Adjustable Parameters
  • Program your charger settings, volts, and amps directly through the monitoring screen.
• Plug and Play
  • Simply connect an RJ45 directly to your DC-DC and let the screen take care of the rest.
• Accurate Readings
  • Precise tracking and monitoring ensure the latest real-time solar and alternator charging information.
Compatible Models:  RBC50D1S-G1  RBC30D1S
Note: The first edition of the monitoring screen for the DC to DC battery charger with MPPT series is not an ideal item for your setup if the auxiliary battery is lithium, or if your vehicle comes with a smart alternator. You will not be able to check complete date of the charging data of the battery charger.
The second edition will be released by the end of June. If the current version is not suitable for your setup, please patiently wait for the updated version or get a BT-2 module to monitor the charging data of your DC to DC battery charger with MPPT, thank you!

Package Includes

Monitoring Screen for DC-DC MPPT Battery Charger Series

Monitoring Screen for DC-DC MPPT Battery Charger Series

1 x

Electrical SpecificationsMechanical Specifications
Supply Voltage: 5VDC Communication Port: RJ45 (RS485 Protocol)
Supply Current: 30mA Display: Backlit LCD
Power Consumption: <1W User Interface: 4 Front Menu Buttons
Operating Temperature Range: -4°F~113°F / -20°C~45°C Mounting System: Wall Mount
Voltage Accuracy: ±0.1V Dimension: 2.76 x 4.33 x 1.25 inch / 70 x 110 x 31.8 mm
Current Accuracy: ±0.1A Weight: 0.14 lbs / 62 g
  Wire Length: 16.4ft / 5m
  Certifications: FCC


Warranty Information

Accessories 1-year material warranty
Monitoring Screen for DC-DC MPPT Battery Charger Series manual
Monitoring Screen for DC-DC MPPT Battery Charger Series warranty