Victron Energy Orion-Tr Smart Isolated DC-DC Charger, 12/48-8A, 380W, Bluetooth

Overview

The Victron Energy ORI124838120 is an Orion-Tr Smart 12/48-8A isolated DC-DC charger for charging a 48V service battery from a 12V starter or alternator source on board. It works with an 8-17V input range and has a 48.2V nominal output, with the output adjustable from 40-60V for the battery profile being used.

This charger uses an adaptive 3-stage charging algorithm for bulk, absorption and float charging, and it is suitable for lead-acid and lithium batteries when configured correctly. Built-in Bluetooth allows setup and monitoring through VictronConnect, which is useful when the charger is mounted inside a console, machinery space, electrical locker or other protected area.

The isolated layout keeps input and output grounds separate, which helps when the starter side and service side of the vessel need to remain electrically separated. Output is rated at 8A at nominal voltage and 40°C, with continuous output power rated at 360W at 40°C and 430W at 25°C.

Key features

• Isolated DC-DC charging separates the input and output grounds for cleaner integration between starter and service battery circuits.
• 12V input range of 8-17V supports alternator-fed charging from a 12V starter battery system.
• 48.2V nominal output with a 40-60V adjustable output range for matching the charging profile to the battery bank.
• Adaptive 3-stage charging covers bulk, absorption and float stages for lead-acid and lithium battery installations.
• Built-in Bluetooth allows configuration, monitoring, history checks and alarm viewing through VictronConnect.
• Remote on/off input reduces the need for a high-current switch in the main input wiring.
• Engine running detection helps prevent unwanted discharge of the starter battery when the alternator is not charging.
• IP43 protection for the electronic components applies when the unit is installed with the screw terminals facing downward, with IP22 protection at the connection area.
• Screw terminal DC connections accept cable cross-section up to 16 mm² (AWG 6).
• Operating temperature range is -20°C to +55°C, with derating above 40°C.

Electrical and system integration

This charger fits boats that use a 12V engine-start system but need controlled charging for a 48V service battery bank. It is especially useful where direct alternator charging is not appropriate and the service bank needs a regulated charge profile rather than a simple voltage feed.

The output voltage can also be set as a fixed output through Bluetooth, so the unit can serve as a DC power supply in suitable installations. Multiple units can be connected in parallel when more output current is required, provided the system wiring, protection and battery requirements are planned accordingly.

Installation and fit

Mount the charger in a protected, ventilated electrical space rather than an area exposed to washdowns, standing water or salt spray. The electronic components carry IP43 protection only when the screw terminals face downward, so orientation matters during installation.

The unit uses screw terminals and has a maximum cable cross-section of 16 mm² (AWG 6). Allow space for cable bends, airflow and access to the terminals, especially in compact battery lockers or behind helm panels where service access can be tight.

Use cases on board

This unit is a strong fit for cruising boats, fishing boats and workboats that are adding a 48V service bank while keeping a 12V starter battery and alternator arrangement. It also suits refits where Bluetooth setup is helpful because the charger will be mounted out of sight but still needs routine checking during commissioning and seasonal maintenance.

For best results, match the charge settings to the battery manufacturer’s requirements and size the wiring, overcurrent protection and ventilation for the expected current and installation environment.

Orders are processed within 2 business days, which includes verification, packing, and dispatch. Orders of $100 or more qualify for free shipping when eligible. For orders under $100, shipping costs are calculated at checkout based on destination, package weight, and selected service. International shipping is available for eligible products, and certain items may require additional handling, warehouse transfers, or may ship directly from the manufacturer, which can affect processing time.

Deliveries are handled by preferred carriers such as USPS, UPS, FedEx, DHL, and others depending on your location and selected service. Estimated delivery times are displayed at checkout and may vary due to customs processing, carrier delays, weather, postal disruptions, or other circumstances beyond our control. Once your order ships, you'll receive a confirmation email with tracking information. Tracking may take up to 24 hours to update on the carrier's website and is also available through your account when applicable.

We ship throughout the United States and to most international destinations for products eligible for international shipping. International orders may be subject to customs duties, taxes, brokerage charges, or other import fees, which are the customer's responsibility and are not included in the product or shipping price. PO Boxes are accepted only when shipping through USPS, and not all packages qualify for this option. If your order does not arrive within the estimated delivery window, please contact us at info@apollolighting.com or +1 (954) 375-0100 so we can assist with locating your package.

Learn more.

Returns may be requested within 30 days of receiving your order. Items must be unused, uninstalled, unaltered, and returned in their original packaging with all tags, packing materials, blank warranty cards, manuals, instructions, accessories, and included items. Certain products, including installed or used electronics, electrical components, lighting, consumables, custom or special-order items, cut-to-length products, safety equipment, and merchandise exposed to water or marine conditions, may not be eligible for return.

To request a return, sign in to your account and select the applicable order and items, and submit your request for review. Eligible unfulfilled items may also be submitted for cancellation within 1 hour of placing the order. Returns or cancellations are not considered approved until you receive confirmation from Apollo Lighting. Please do not ship or drop off merchandise before receiving return approval and instructions.

Customers are responsible for arranging and paying for return shipping unless the return is due to an error by Apollo Lighting or the item is verified as defective, damaged, or incorrect. Missing, damaged, defective, or incorrect items must be reported within 2 business days of delivery, and photos or other documentation may be required for review. If the issue is verified, Apollo Lighting may provide or reimburse return shipping and issue a replacement or refund depending on the circumstances. International customers are responsible for return shipping, duties, taxes, customs charges, brokerage fees, and other costs associated with an international return.

After your return is received and inspected, approved refunds are issued to the original payment method and may take 5-7 business days to appear after processing. Original shipping and handling charges are nonrefundable, and the value of any included free items that are not returned may be deducted from the refund. Apollo Lighting does not charge a standard restocking fee on eligible returns. Returns that are incomplete, damaged, installed, used, altered, improperly packaged, or otherwise do not meet the eligibility requirements may be refused. We recommend using a trackable and appropriately insured shipping service for all customer-arranged returns.

For assistance, contact info@apollolighting.com or call +1 (954) 375-0100.

Learn more.

Many products sold by Apollo Lighting include a manufacturer's warranty covering defects in materials or workmanship. Warranty terms vary by brand, product category, and model, so eligibility, coverage duration, exclusions, and available remedies are determined by the applicable manufacturer. We recommend reviewing the warranty information provided with your product before installation or use, especially for marine electronics, navigation equipment, lighting, electrical systems, pumps, safety equipment, and other specialized marine products.

If you need warranty service, the claim must follow the process established by the manufacturer, authorized service center, or designated warranty provider. You may be asked for proof of purchase, a serial number, product registration, photos, maintenance or installation records, or other documentation. Apollo Lighting does not determine or modify a manufacturer's warranty coverage or final claim decision, but we are happy to help provide purchase information and direct you to the appropriate manufacturer or warranty resource.

Keep your receipt, product documentation, serial number information, and original packaging when practical. Damage caused by normal wear, misuse, improper installation, insufficient maintenance, corrosion, impact, unauthorized modifications, electrical issues, or operation outside the manufacturer's specifications may not be covered. Warranty claims are separate from standard returns, so a product that has been installed, used, or exposed to marine conditions may no longer qualify for return while still remaining eligible for evaluation under the manufacturer's applicable warranty.

Learn more.