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Victron Battery To Battery Charger 18A – 12/12 Orion-Tr Smart – Isolated DC-DC Charger

The Orion-Tr Smart DC-DC charger is an adaptive 3-stage charger (bulk – absorption – float) designed for dual battery systems, such as in vehicles or on boats where the starter battery (hence the alternator) is used to charge the service battery.

18A Charging Current (220W) For 12V systems. Isolated model for systems grounded to a negative busbar. Intelligent charging protects both batteries. Monitor settings and performance via Bluetooth. Dimensions: 186 x 130 x 70mm Weight: 1.3kg
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SKU: ORI121222120
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Product Details

Victron Energy Orion-Tr Smart 12/12-18A (220W) Isolated DC-DC charger – ORI121222120

Efficient Battery Charging on the Go:

The Victron Orion-Tr Smart 18A Battery to Battery Charger intelligently charges your leisure batteries from your vehicle's starter battery while driving, ensuring a safe and optimized charging process.


Modern Vehicle Compatibility:

Designed for vehicles with Euro 5 or Euro 6 engines equipped with smart alternators, the Orion-Tr Smart B2B eliminates the limitations of basic Voltage Sensitive Relays (VSRs) and offers a viable charging solution.


Easy Installation and Operation:

With a straightforward installation process that requires access to the vehicle's starter battery, the Orion-Tr Smart B2B is user-friendly and efficient. The 18A model charges the leisure battery at a rate of 18A/hr.


Smart Functionality with Bluetooth:

Equipped with built-in Bluetooth, the Victron battery to battery charger connects wirelessly to the VictronConnect App, available on Android or iOS devices. This smart functionality allows for wireless monitoring, programming, and remote control via a switch.


Versatile Charger for Various Applications:

Ideal for dual battery systems in vehicles or boats where the alternator and start battery charge the service battery. The Orion Tr-Smart charger is suitable for both lead acid and lithium batteries, with models available up to 400W. It operates effectively in high temperatures up to 55°C, providing a full-rated output up to 40°C.

Product Specifications

Electrical Specifications

  • Input Voltage Range: 10 – 17 V
  • Under Voltage Shut Down: 7 V
  • Under Voltage Restart: 7.5 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): 18 A
  • Maximum Output Current (10 seconds): 25 A
  • Short Circuit Output Current: 40 A
  • Continuous Output Power at 25°C: 280 W
  • Continuous Output Power at 40°C: 220 W
  • Efficiency: 87%
  • No Load Input Current: < 80 mA
  • Standby Current: < 1 mA
  • Galvanic Isolation: 200 VDC between input, output, and case

Charge Settings & Features

  • Charge Algorithm: 3-stage adaptive (Bulk, Absorption, Float) or fixed power supply mode
  • Bluetooth Smart Built-in: Allows for wireless configuration, monitoring, and firmware updates.
  • Smart Alternator Compatibility: Includes engine running detection mechanism to prevent discharging the starter battery.
  • Remote On/Off: Eliminates the need for a high-current switch in the input wiring.
  • Parallel Operation: Increase output current by paralleling an unlimited number of units.

Mechanical & Enclosure

  • Dimensions (H x W x D): 130 x 186 x 70 mm
  • Weight: 1.3 kg
  • DC Connection: Screw terminals
  • Maximum Cable Cross-Section: 16 mm² (AWG6)
  • Protection Category: IP43 (electronic components), IP22 (connection area)
  • Enclosure Material: High-grade plastic cover with aluminum heat sink

Environmental & Standards

  • Operating Temperature Range: -20 to +55 °C (Full rated output up to 40 °C; derate 3% per °C above 40 °C)
  • Humidity: Max. 95% non-condensing
  • Safety Standards: EN 60950, EN 61000-6-3, EN 61000-6-2, EN 61000-6-1, EN 55014-1, EN 55014-2
  • Automotive Directive: ECE R10-5

Shipping & Collection

Tracked Delivery (Currently 1-3 business days):

  • Free over £250.
  • £5.99 for orders under £250.
  • £5.99 for orders under £50.

Next Business Day Delivery:

  • £15 Flat Rate.

Collection:

  • Free to collect from our warehouse.

Pre-Order:

  • 5-10 Business Days delivery unless otherwise stated.

Shipping Policy

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