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The Renogy 50A DC-DC Battery Charger with MPPT uses LED indicators to display system status and alert users to potential
issues.
• Alternator / Charging Indicator: Indicates whether the alternator or solar input is actively charging the auxiliary battery.
• Solar Charging Indicator: Shows the current charging stage when solar input is being used.
• Auxiliary Battery Indicator: Displays the charge status and any faults related to the auxiliary battery.
• Battery Type Indicator: Indicates the selected battery type for proper charging profile.
For a detailed breakdown of LED meanings and troubleshooting, check the
DC Home app
or
the supplied Renogy User Manual for troubleshooting guidance.
Auxiliary Solar Panel Inputs (Offside Anderson Plugs)
The XT12HR OGE is equipped with three 50A external Anderson plug
inputs mounted on the offside of the caravan. These inputs allow for the
connection of
independently regulated auxiliary solar panels, providing
additional charging capacity beyond the roof-mounted solar array.
Auxiliary Solar Input Limitations
Each Anderson plug input is rated for a maximum input of 200W. It is
critical to
ensure that the combined solar input through these plugs does
not exceed the system’s designed power limits. The following conditions
must be met for safe operation:
• Panel Regulation Requirement:
o The external solar panels must have built-in MPPT or PWM charge controllers. These inputs are direct battery
connections and do not pass through the onboard Renogy REGO 60A MPPT Charge Controller
Unregulated panels should
never
be connected, as they may exceed the safe voltage and current limits of the
battery system.
• Input Voltage & Power Rating:
o Each 50A Anderson plug is designed for a 12V nominal solar panel with a maximum open-circuit voltage (Voc) of 18V.
o Maximum power per input: 200W (e.g., a 12V 200W solar panel with an independent charge controller).
o Total auxiliary solar capacity: 600W (if all three Anderson plugs are utilized).
• Connection Considerations:
o Use high-quality solar cables and properly rated fuses to ensure safe and efficient energy transfer.
o Ensure polarity is correct when connecting panels to prevent damage to the system.
Best Practices for Using Auxiliary Solar Inputs
• Deploy auxiliary solar panels in optimal sunlight conditions for maximum efficiency.
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