{"product_id":"victron-orion-tr-smart-12-12-18a-isolated-dc-dc-charger","title":"Victron Orion-Tr Smart 12\/12-18A (220W) Isolated DC-DC charger - ORI121222120","description":"\u003ch1 style=\"color: #f87c24;\"\u003eOrion-Tr Smart 12\/12-18A (220W) Isolated DC-DC Charger — ORI121222120\u003c\/h1\u003e\n\n\u003cp\u003eThe Victron Orion-Tr Smart 12\/12-18A is a galvanically isolated DC-DC battery-to-battery charger designed for 12V systems requiring up to 18A of charge current at 220W. It is built for vehicles, boats and off-grid installations where the starter battery and leisure or auxiliary battery must be kept electrically separate. Bluetooth connectivity allows configuration and monitoring without additional hardware.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #f87c24;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eGalvanic isolation between input and output prevents ground loops and protects sensitive electronics in dual-battery systems.\u003c\/li\u003e\n  \u003cli\u003e18A output current at 12V delivers up to 220W of charge power to the auxiliary battery.\u003c\/li\u003e\n  \u003cli\u003eBuilt-in Bluetooth with the VictronConnect app allows full configuration, real-time monitoring and firmware updates from a smartphone or tablet.\u003c\/li\u003e\n  \u003cli\u003eAdaptive 4-stage charging algorithm (bulk, absorption, float, storage) ensures correct charge management for lead-acid and lithium battery chemistries.\u003c\/li\u003e\n  \u003cli\u003eEngine detection feature prevents discharging the starter battery by monitoring input voltage and only charging when the alternator is running.\u003c\/li\u003e\n  \u003cli\u003eWide input voltage range accommodates fluctuating alternator output and varying system voltages.\u003c\/li\u003e\n  \u003cli\u003eCompact and lightweight at 1.3 kg, suitable for installation in confined spaces in vehicles and marine applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #f87c24;\"\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe Orion-Tr Smart range uses galvanic isolation to create a complete electrical barrier between the vehicle's starter circuit and the auxiliary battery bank. This is particularly important in modern vehicles with smart alternators, where a direct connection between batteries can cause charging faults or damage to the vehicle's battery management system. The Orion-Tr Smart handles the conversion independently, drawing from the alternator output and delivering a correctly profiled charge to the secondary battery.\u003c\/p\u003e\n\n\u003cp\u003eConfiguration is handled entirely through the VictronConnect app over Bluetooth. Charge voltage, absorption time, float voltage and battery type can all be set without physical switches or a laptop. The engine detection function uses input voltage thresholds to determine when the alternator is active, avoiding any drain on the starter battery when the engine is off. This makes the unit suitable for drop-in installation in campervans, motorhomes, narrowboats and similar dual-battery setups without requiring an additional battery-to-battery relay or voltage-sensing relay.\u003c\/p\u003e\n\n\u003cp\u003eThe isolated design also makes it appropriate for marine installations where galvanic corrosion from stray currents is a concern. The unit supports both lead-acid variants (AGM, gel, flooded) and lithium (LiFePO4) battery banks on the output side, with charge profiles configurable per chemistry.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #f87c24;\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"border: 2px solid #f87c24; border-collapse: collapse; width: 100%;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #f87c24; color: #ffffff;\"\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003e\u003cstrong\u003eValue\u003c\/strong\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003eSKU\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003eORI121222120\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003eInput Voltage (nominal)\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003e12V DC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003eOutput Voltage (nominal)\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003e12V DC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003eOutput Current (max)\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003e18A\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003ePower Output (max)\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003e220W\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003eIsolation\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003eGalvanic isolation\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003eConnectivity\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003eBluetooth (VictronConnect)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003eBattery Compatibility\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003eLead-acid (AGM, gel, flooded), LiFePO4\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003eWeight\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003e1.3 kg\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003eGTIN\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003e8719076046066\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3 style=\"color: #f87c24;\"\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCampervans and motorhomes with split charging requirements between starter and leisure batteries.\u003c\/li\u003e\n  \u003cli\u003eNarrowboats and canal boats where galvanic isolation is required to prevent corrosion from stray currents.\u003c\/li\u003e\n  \u003cli\u003eMarine vessels with separate engine start and house battery banks.\u003c\/li\u003e\n  \u003cli\u003eOff-grid vehicles and expedition builds using lithium auxiliary batteries alongside a standard lead-acid starter battery.\u003c\/li\u003e\n  \u003cli\u003eTrucks and commercial vehicles requiring isolated auxiliary charging from the main vehicle electrical system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #f87c24;\"\u003eWhat Is Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1x Victron Orion-Tr Smart 12\/12-18A (220W) Isolated DC-DC Charger\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #f87c24;\"\u003eInstallation Notes\u003c\/h3\u003e\n\u003cp\u003eInstallation should be carried out by a qualified electrician or experienced marine\/vehicle electrician familiar with DC systems. Correct cable sizing and fusing on both input and output circuits is essential at 18A and 220W. For marine installations, follow NMEA or RYA wiring guidelines as applicable. The unit must be mounted in a ventilated location away from direct water ingress. Configure the battery chemistry and charge profile via VictronConnect before commissioning to ensure compatibility with the auxiliary battery type in use.\u003c\/p\u003e","brand":"Victron Energy","offers":[{"title":"Default Title","offer_id":47484304982350,"sku":"ORI121222120","price":123.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/3698\/8238\/files\/victron-orion-tr-smart-1212-18a-220w-isolated-dc-dc-charger-ori121222120-134161.jpg?v=1747941242","url":"https:\/\/voltaconsolar.com\/products\/victron-orion-tr-smart-12-12-18a-isolated-dc-dc-charger","provider":"VoltaconSolar","version":"1.0","type":"link"}