Reliable Power Conversion for Demanding Off-grid or Vehicle Setups

This isolated DC-DC charger converts 48V input to a stable 12V output, ideal for RVs, boats, and off-grid applications requiring precise battery management. It supports lithium and lead-acid batteries with a fully programmable 3-stage charging algorithm. Built-in Bluetooth allows wireless configuration and monitoring, while compatibility with smart alternators prevents draining starter batteries. Its IP43-rated design ensures dependable operation in harsh conditions, and it supports remote on/off control, parallel installation for higher output, and protection against high temperature and short circuit faults.

Key Features

  • Isolated DC-DC functionality: Converts 48V input to a stable and adjustable 12V output.
  • Bluetooth Smart connectivity: Enables wireless monitoring and configuration via the VictronConnect app.
  • Adaptive 3-stage charging: Automatically adjusts charging phases to optimise battery health.
  • Fully programmable output: Supports both fixed-voltage and custom charging profiles for different battery types.
  • Smart alternator compatible: Engine shutdown detection prevents draining starter batteries in Euro 5/6 vehicles.
  • Remote on/off capability: Supports control via switch, relay, or battery signal line.
  • Parallel-ready design: Allows multiple chargers to be installed together for increased output current.
  • Thermal and short-circuit protection: Automatically reduces output at high temperatures to prevent damage.
  • Durable and weather-resistant: IP43-rated when installed with terminals facing downward.

Built to perform reliably in mobile and off-grid systems, this charger ensures safe, efficient, and programmable DC power conversion.

Product Specifications
Input Voltage Range 32–70 V
Under Voltage Shut Down 28 V
Under Voltage Restart 30 V
Nominal Output Voltage 12.2 V
Output Voltage Adjust Range 10–15 V
Output Voltage Tolerance ±0.2 V
Output Noise 2 mV rms
Continuous Output Current at 40 °C 20 A
Maximum Output Current (10 s) 25 A
Short Circuit Output Current 50 A
Continuous Output Power at 25 °C 280 W
Continuous Output Power at 40 °C 240 W
Efficiency 87%
No Load Input Current <80 mA
Standby Current <1 mA
Can Be Used as Power Supply Yes
Galvanic Isolation 200 VDC between input, output, and case
Operating Temperature Range -20 to +55 °C
Humidity Max 95% non-condensing
DC Connection Screw terminals
Max Cable Cross-Section 16 mm² (AWG6)
Weight 1.6 kg
Dimensions (H × W × D) 130 × 186 × 70 mm
Protection Category IP43 (electronics), IP22 (connection area)
Compliance Standards EN 60950, EN 61000-6, ECE R10-5
SKU VIC.ORI481224120
UPC/EAN 8719076066149
Brand Victron Energy
Shipping Weight 1.3350kg
Shipping Width 0.090m
Shipping Height 0.130m
Shipping Length 0.100m
Shipping Cubic 0.001170000m3

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