Victron Orion XS 12/12-70A DC-DC charger kit – 12V to 12V, 70A, with fuses and cables12V to 12V 70A DC-DC charging kit with Victron Orion XS, fuses and cables for campervans and boats

Overview

The 70A version of the 12V kit: a Victron Orion XS 12/12-70A with two fuse holders and MEGA fuses, red and black cables (engine side 2m or 5m, service side 2m) and six M8 lugs. It charges a 12V lithium or lead-acid service battery at up to 70A (1000W at 14.3V) and can push up to 35A back to a flat starter battery. Victron rates this model IP20, so it must be fitted in a dry indoor space, not in an engine bay.

• Victron Orion XS 12/12-50A, 12/12-70A or Orion-Tr Smart 24/12-30A
• Fuse holders and fuses on both battery sides
• Engine-side cable in 2m or 5m, service side 2m
• Engine shutdown detection for smart alternators
• Bluetooth set-up and monitoring with VictronConnect
• Charge profiles for lead-acid and lithium service batteries

What's in the kit

• 1 × Victron Energy Orion XS 12/12-70A
• 2 × Fuse holder with MEGA fuse
• 1 × Battery cable set, engine side 2m or 5m, service side 2m
• 6 × Tubular cable lug

What the kits do

A DC-DC charger sits between the starter battery and the service battery of a vehicle or boat. It draws power only while the engine runs and charges the service battery with a proper multi-stage profile, whatever voltage the alternator delivers, while protecting the starter battery from being drained. Each kit contains the Victron charger, two fuse holders with fuses, red and black cables for both sides and the cable lugs, as shown in the kit diagram.

Orion XS kits

The Orion XS 12/12-50A and 12/12-70A work from 9–17V and output 10–17V at up to 50A (700W) or 70A (1000W), with 98.5% maximum efficiency. Engine shutdown detection recognises a running engine on Euro 5 and Euro 6 smart alternators, and an input undervoltage lockout protects the starter battery. The 50A model is IP65; Victron rates the 70A model IP20, for dry indoor locations only. Both have Bluetooth, VE.Direct and an emergency reverse-charge function.

Orion-Tr Smart 24/12-30A kit

For trucks and boats with a 24V engine system, the Orion-Tr Smart 24/12-30A Isolated converts 16–35V to a 12V output adjustable from 10 to 15V. It delivers 30A continuously and 45A for 10 seconds, with 200V galvanic isolation between input, output and case, which keeps the two battery circuits separate. The housing is IP43 for the electronics and IP22 for the connection area, and it shuts down below 14V input.

Installation notes

Victron recommends a 60–70A battery fuse and 16mm² cable up to 5m for the Orion XS 50A, an 80–100A fuse and 25mm² up to 10m for the 70A model, and 30A on the 24V side and 60A on the 12V side for the Orion-Tr Smart 24/12-30A. Battery profiles, charge current and engine detection are set with the VictronConnect app. The installer fixes the charger, routes and secures the cables and connects the remote on/off if a BMS controls charging.

Questions and answers