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REGO 12V/24V 30A DC-DC Battery Charger

SKU: RBC2115DS-21W-US
$242.99
+   Renogy Rays after purchase.
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  • Auto 12V/24V switching for versatile vehicle power systems.
  • Smart bidirectional charging means no flat batteries.
  • Bluetooth & CAN Control provide real-time status updates, anywhere.
  • 14-layer protection offers reliability and efficiency, always.
  • Globally certified with 5-year warranty for peace of mind.
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Description
Includes
Specs
Downloads
FAQ
Reviews

REGO 12V/24V 30A DC-DC Battery Charger

Smart 12V/24V Dual Charging

Auto-switching between 12V/24V systems keeps both batteries optimally charged and protected.

With You Wherever the Road Takes You

Wide temperature range from -31°F to 176°F ensures stable performance anywhere.

Comprehensive Safety Protection

Advanced safeguards ensure secure, reliable operation for total peace of mind.

Charge the Way You Want

Take full control of how you charge—adjust voltage and current to match your setup, and choose exactly when your house battery should top up the starter battery.

Stay Informed at a Galance

Even when you're offline in remote areas, color-coded LEDs instantly show the battery type and charging status.

Big Power in a Tiny Footprint

Fits tight spaces yet powers big adventures, perfect for under-seat installation.

Package Includes

Battery Charger

x 1

Quick Guide

x 1

Battery Temperature Sensor (2m)

x 1

Mounting Screws (ST4*16 mm)

x 4

REGO 12V/24V 30A DC-DC Battery Charger

General Data

Grounding
Common Negative
Communication
RS485; RENOGY CAN
Operating Temperature
Operating Temperature Range: -31°F to 176°F /-35°C to 80°C; Recommended Operating Temperature: -31°F to 149°F/-35°C to 65°C
Storage Temperature
-40°F to 176°F /-40°C to 80°C
Humidity
0%~95% RH
Cooling
Heat Sink
Enclosure Rating
IP43
Dimensions (LxWxH)
239 x 156 x 69 mm / 9.41 x 6.15 x 2.74 inch
Weight
2.0 kg /4.41 lb
Regulatory and Safety Specifications
FCC Path 15, Class B, CE, RoHS, SAA, E-amrk

Charger Data

System Voltage
12V/24V-12V/24V
Output Voltage
9-32V DC
Alternator Input
Traditional Alternator (default 12V): 13.2-16.0VDC; Adjustable Input (default 12V): 12.0-15.0 VDC (DC Home )
Maximum Output Current Rating
30A
Output Power
450W
Battery Types
AGM, Gel, Flooded, Lithium-iron Phosphate
Charging Efficiency
≥94%
Idle Power Consumption
＜50 mA

Warranty Information

Accessories
5-year material warranty

Resources Download

Quick Guide

Download

User Manual

Download

Frequently Asked Questions

1. What is the system voltage of this charger?

The RBC2115DS-21W supports both 12V and 24V platforms, which means it can operate in four different charging configurations: from a 12V starter battery to a 12V or 24V house battery, and from a 24V starter battery to a 12V or 24V house battery.

2. How does this charger detect a 24V input system?

The RBC2115DS-21W input side features automatic detection between 12V and 24V systems. If the starter battery voltage exceeds 16V, the charger will recognize it as a 24V input by default.

3. How does this charger select a 24V output system?

For non-lithium batteries: The output system voltage is detected automatically, no manual setting is required.</br>For lithium batteries: There are two ways to set the output to 24V:</br>(1) Set the battery type to deep purple on the charger</br>(2) Use the built-in Bluetooth to connect to the DC Home app and manually set the system voltage to 24V

4. Can the charger’s forward charging start voltage be set?

Yes, it can be adjusted via the DC Home app. The adjustable range is 12V to 15V.

5. Can the charger’s forward charging stop voltage be set?

Yes, it can be adjusted via the DC Home app. The adjustable range is 11.5V to 14.5V.

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