Orion-Tr Smart 12/12-18A (220W) Isolated DC-DC charger


DC-DC Charger

Smart DC-DC Charger Isolated

The Orion-Tr Smart DC-DC charger is a professional DC to DC adaptive 3-stage charger with built-in Bluetooth.

Application and Uses

For use in dual battery systems in vehicles or on boats where the (smart) alternator and the start battery are used to charge the service battery. The unit can be monitored and programmed via Bluetooth, remotely controlled via a remote on/off switch, and has an engine running detection mechanism.

The Orion-Tr Smart charger can be used in 12V or 24V systems and is suitable for lead acid and lithium batteries. Models are available up to 400W, and unlimited multiple units can be connected in parallel to increase output power.

Suitable for high temperatures up to 55°C with a full rated output up to 40°C

Bluetooth Smart enabled
Any Bluetooth-enabled smartphone, tablet or other device can monitor, change settings and update the charger when new software features become available.

Fully programmable

  • Battery charge algorithm (configurable) or fixed output.
  • Smart alternator compatibility: engine running detection mechanism.

Adaptive 3-stage charge algorithm: bulk – absorption – float

  • The absorption time must be short for lead acid batteries during shallow discharges to prevent overcharging. After a deep discharge, the absorption time is automatically increased to ensure the battery is completely recharged.
  • For lithium batteries, absorption time is fixed, default 2 hours.
  • Alternatively, a fixed output voltage can be chosen.

Features and Benefits

  • Bluetooth smart enabled
  • Fully programmable
  • IP43 protection (When installed with the screw terminals oriented downwards)
  • Battery charge algorithm (configurable) or fixed output
  • Adaptive 3-stage charge algorithm: bulk – absorption – float
  • Smart alternator compatibility: engine running detection mechanism.
  • Suitable for use in vehicles with a smart alternator (Euro 5 and Euro 6 engines)
  • Remote on/off
  • All models are short-circuit proof and can be paralleled to increase output current.
  • Fully discharged battery recovery function (starts charging from down to 0 V)
  • High temperature protected


  • Product Type: Smart Charger DC-DC Charger Isolated
  • Brand: Victron
  • Input voltage range 8-17V
  • Under voltage shut down 7V
  • Under voltage restart 7.5V
  • Nominal output voltage 12.2V
  • Output voltage adjust range 10-15V
  • Charge algorithm: 3-stage adaptive
  • Protection category: IP43 (electronic components), IP22 (connection area)
  • Weight: 1,3 kg
  • Product Dimensions: 130 x 186 x 70 mm


  • Operating temperature: -20 to +55 °C (derate 3 % per °C above 40 °C)
  • Efficiency: 87%


Additional information

Weight 1,5 kg
Dimensions 9 × 20,5 × 13 cm


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