REGO DC-DC Battery Charger

Product Overview

Diagram showing the top of the REGO DC-DC Battery Charger. It features input and output terminals on the sides, CAN communication ports, and a rotary knob with settings for battery types: LI, FLD, GEL, AGM, and USER mode. Indicator LEDs for 'Battery' and 'Fault' are also visible.

Front and top views of the REGO DC-DC Battery Charger with numbered callouts pointing to various components: 1. Mounting Holes, 2. Fault Status Indicator, 3. Battery Status Indicator, 4. Battery Type Setting Knob, 5. Positive Input Terminal, 6. Negative Input Terminal, 7. Negative Output Terminal, 8. Positive Output Terminal, 9. CAN Communication Ports, 10. IGN Signal Wire Port, 11. BVS (Battery Voltage Sensor) Port, 12. BTS (Battery Temperature Sensor) Port.

⚠️ Please inspect the battery charger for any visible damage including cracks, dents, deformation, and other visible abnormalities before installation.

There are no user serviceable parts inside the battery charger. Do not disassemble or attempt to repair it.

Package Contents

Illustration of a box with upward arrows ⬆️, indicating the contents are being unpacked. The contents include the REGO DC-DC Battery Charger Quick Guide, a Renogy Temperature Sensor (Model: RTSCC), an IGN Signal Wire, and four screws.

Wiring Diagram

Diagram illustrating the wiring connections for the REGO DC-DC Battery Charger. The charger's input and output terminals are shown connected to a 'Starting Battery or DC Generator' and a 'Service Battery System' respectively. Polarity indicators (+) and (-) are shown for both systems.

This Quick Guide contains important installation, operation, and maintenance instructions for REGO 12V 60A DC-DC Battery Charger. Please read the Quick Guide carefully before using. Illustrations in the Quick Guide are for reference only. For more detailed instructions, please refer to the user manual at renogy.com. For additional support, please contact customer service through renogy.com/contact-us/.

Installation

Recommended Components

Battery Scenario A: REGO Battery Kit

Components include: Renogy REGO Lithium Battery, Renogy REGO System Combiner Box, Battery Adapter Cable (output) (Anderson PP75 to Anderson 120 Adapter Cable), and Battery Adapter Cable (input) (Anderson PP75 to Ring Terminal Adapter Cable). Anderson PP75 and Anderson 120 connectors are shown.

Battery Scenario B: Normal Battery Kit

Components include: A Normal Battery with +/- Bolts and Battery Adapter Cables (input/output) (Anderson PP75 to Ring Terminal Adapter Cable).

Optional Accessories and Required Tools

Optional Accessories

Optional accessories include: Battery Fuse (80A), Fuse Cable, and Battery Voltage Sensor (Model: RVSCC).

Required Tools

Required tools include: Wrench (10mm) ?, Wrench (14mm) ?, Measuring Tape ?, and Insulation Tape ?.

Mounting Location

Risk of explosion! Never install the battery charger in a sealed enclosure with flooded batteries! Do not install in a confined area where battery gases can accumulate.

Place the battery charger on a vertical surface protected from direct sunlight, high temperatures, and water. Ensure good ventilation.

The battery charger requires at least 6 inches (150mm) of clearance above and below for proper air flow. Ventilation is highly recommended if mounted in an enclosure.

If the Battery Adapter Cable or Solar Panel Extension Cable is not long enough, use more extension cables or reselect the position where the battery charger needs to be secured.

Diagrams show the required 150mm (5.91 inch) clearance around the charger and a typical mounting scenario.

Battery Charger Wiring

Please refer to the user manual of the battery charger at renogy.com for the recommended wire gauge and length. Please make sure that the connections of the Anderson connectors are tight and secure.

Step-by-step illustrations show the connection of Anderson PP75 connectors to the input and output terminals of the charger for both REGO Battery Kit and Normal Battery Kit scenarios (Steps 2.1-2.6). This involves aligning connectors, sliding side grooves to secure them, and inserting them into the correct terminals.

Service Battery Wiring

Please read the user manual of the service battery carefully before installation. Identify the polarity (positive and negative) on the cables used for the batteries. A reverse polarity contact may damage the unit. Select a suitable wrench or other tool when tightening the battery bolts to their rated specification. Please ensure that the Anderson connectors are fully seated and/or the ring terminals are securely connected.

Battery Scenario A: REGO Battery Kit

Please read the user manual of System Combiner Box carefully before wiring. If devices are connected to the System Combiner Box's Anderson connectors, install a 160A NH fuse. Refer to the user manual for detailed instructions when using the Anderson PP75 to Ring Terminal Adapter Cable with the System Combiner Box or when using positive/negative busbars.

Diagram shows the connection of the Anderson 120 connector of the output adapter cable to a System Combiner Box (Step 3.1).

Battery Scenario B: Normal Battery Kit

Step-by-step illustrations show the connection of the negative and positive output adapter cables to the battery terminals. The positive connection requires the use of an 80A battery fuse (Step 3.2-3.4).

Battery Indicator (Service Battery)

When the battery wiring is completed correctly and the battery is turned on, the battery charger's Battery indicator lights up green. If the Battery indicator does not light up, refer to the user manual of the battery charger at renogy.com for troubleshooting instructions.

Diagrams show the 'Battery' and 'Fault' indicator labels on the charger.

Input Wiring

The battery charger input terminal can be directly connected to the vehicle's starting battery or DC generator. Refer to the user manual for DC generator wiring.

Please check the vehicle's manual to identify the generator type before connecting. If you cannot identify the generator type, refer to the battery charger's user manual. The starting voltage required depends on the generator type: >12.5V for smart generators, >13.5V for traditional generators. Identify polarity (positive/negative) on battery cables; reverse polarity may cause damage. Tighten battery bolts to specification. Ensure ring terminals are securely connected.

Diagrams illustrate connecting the negative input adapter cable to the starting battery's negative bolt (Step 4.1) and connecting the IGN Signal Wire to the IGN signal wire port and the smart generator's ignition signal port (Step 4.2).

Further diagrams show connecting the positive input adapter cable to the starting battery's positive bolt, including the use of an 80A fuse (Steps 4.3-4.4).

Battery Indicator (Input)

After waiting for 15 seconds, the Battery indicator flashes green and the battery charger starts to work. If the Battery indicator does not light up, refer to the user manual of the battery charger at renogy.com for troubleshooting instructions.

Diagrams show the 'Battery' and 'Fault' indicator labels on the charger.

Mounting

Please make sure that the battery charger is installed firmly to prevent it from falling off. Place the battery charger against a flat surface and secure it with included screws.

Illustration shows the charger being mounted to a surface with screws (Step 5.1).

Temperature Sensor

The temperature sensor detects the battery's temperature and updates it to the battery charger for charging voltage calibration. This ensures the battery charger (with operating temperature range from -20°C to 60°C or -4°F to 140°F) can charge the battery normally.

Do not use the temperature sensor on a LiFePO4 (LFP) battery which comes with a battery management system (BMS).

Please refer to the user manual of battery charger at renogy.com for more matters needing attention.

Diagrams show the temperature sensor terminal block being inserted into the BTS port of the battery charger (Step 6.1) and the sensor being adhered to the top or side of the battery with insulation tape (Step 6.2).

Voltage Sensor (Optional)

The Battery Voltage Sensor is the perfect solution for providing accurate battery voltage to the battery charger, allowing it to adjust the charging stage precisely, resulting in overall extension of your battery life.

Identify the polarity (positive and negative) on the cables used for the batteries. A reverse polarity contact may damage the unit. The voltage sensor ring terminal is M8 (Approx. 5/16"). If the battery bolt size is small, please use a gasket to fix it to prevent it from falling off.

Diagrams show the voltage sensor terminal block being inserted into the BVS port (Step 7.1) and the sensor ring terminal being connected to the positive/negative pole of the battery system for both REGO Battery and Normal Battery configurations (Step 7.2).

LED Indicators

Battery Status Indicator

The Battery indicator behaves as follows:

• Flashes green while the service battery system is being charged (Step 8.1).
• Lights up solid green and remains solid once the service battery system is fully charged, and the battery charger stops working (Step 8.2).
• Lights up solid blue and remains solid when the power of the starting battery is low, indicating the battery charger will automatically reverse charge the starting battery from the service battery system (Step 8.3).

Fault Status Indicator

Under normal conditions, the Fault indicator will not light up (Step 8.4).

If the Fault indicator lights up, please refer to the user manual of the battery charger at renogy.com for troubleshooting instructions (Step 8.5).

Communication

The communication connection is optional. Communication between REGO products allows safe operation, smart control, and close monitoring. Depending on the installation condition, the communication connection needs to be established with backbone or daisy chain topology.

Backbone Topology

If an RV-C bus is pre-installed in the RV, follow the backbone topology for the communication connection.

Recommended Accessories

Accessories include: LP16 Plug (7-Pin) to Bare Wires Drop Cable and Drop Plug.

Different drop sockets are used on the RV-C bus by different RV manufacturers. Select the Drop Plug that matches the drop socket for communication. If unsure, check with the RV manufacturer. This guide uses the Mini-Clamp II plug (4-pin) as an example. The length of the Drop Cable shall not exceed 19.6 feet, and the total length shall not exceed 98.4 feet. Different Drop Plugs have different pinouts; crimp the Drop Plug to the Drop Cable following the correct pinout. If unsure about the Drop Plug pinout, check with the RV manufacturer.

Diagrams illustrate: inserting bare wires into the Drop Plug ports according to pinout (red=PS+, white=CAN_H, blue=CAN_L, black=PS-) (Step 9.1); squeezing the crimp area of the Drop Plug with pliers (Step 9.2); locating the RV-C drop tap (Step 9.3); and connecting the charger's CAN Communication Port to the drop tap socket using the Drop Cable (Step 9.4).

Different drop taps are used by RV manufacturers. This guide uses a 4-socket drop tap as an example. If unable to locate drop taps, contact the RV manufacturer. Ensure termination at both ends of the RV-C bus with 120Ω resistors (not included).

Daisy Chain Topology

If the RV-C bus is not available, follow the daisy chain topology for the communication connection.

Recommended Accessories

Accessories include: LP16 Plug (7-Pin) Communication Cable and LP16 Terminator Plug (7-Pin).

Diagrams illustrate connecting REGO devices in series through CAN Communication Ports using Communication Cables (sold separately) (Step 9.5), and plugging the Terminator Plug into the free CAN Communication Ports on the first and last REGO devices (Step 9.6).

Operation & Maintenance

Operation

The battery charger is simple and easy to use with a plug & play design. The knob with 5 gears allows convenient selection of battery type. The default battery type is AGM/SLD. After wiring, manually set the battery type according to usage needs.

User Mode requires the Renogy DC Home app for customizing charge parameters. Scan the QR Code on the last page of the Quick Guide to download the app.

Diagram shows the charger with a battery type selection knob labeled: USER mode, Lithium Battery, Flooded Battery, Gel Battery, AGM Battery.

Maintenance

For optimum performance, perform these tasks regularly:

• Ensure the battery charger is mounted in a clean, dry, and ventilated area.
• Ensure there is no damage or wear on the cables.
• Ensure the firmness of the Anderson connectors and check for any loose, damaged, or burnt connections.
• Make sure that the Battery indicator and Fault indicator are in normal state.
• Ensure there is no corrosion, insulation damage, or discoloration marks of overheating or burning.

Risk of electric shock! Make sure that all power is turned off before touching the terminals on the battery charger.

Please refer to the user manual of the battery charger at renogy.com for more details.

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