Charge Your House Battery While DrivingThe Victron Orion XS DC-DC Battery Charger delivers controlled alternator charging for 12V dual-battery systems in vans, RVs and boats. Adjustable input and output current limits help match charging to your vehicle, wiring and battery requirements, while built-in Bluetooth makes monitoring and setup straightforward.Choose the 50A model for up to 700W or the 70A model for up to 1,000W of charging output. Both offer up to 98.5% efficiency and full rated output at ambient temperatures up to 104°F with proper installation and cooling.Important InfoBoth models in this listing are 12V-to-12V chargers. The 50A model is IP65-rated; the 70A model is IP20 and requires a dry indoor installation.Key FeaturesAlternator charging: Recharge a compatible 12V house battery while driving.Adjustable charging current: Configure input and output limits to suit available alternator capacity, wiring and battery specifications.Smart alternator compatibility: Configurable engine-running detection supports conventional and smart alternator installations.Bluetooth monitoring: Use VictronConnect to view charging data, adjust settings and update firmware.Programmable charging: Eight battery presets and custom settings support lithium and common lead-acid chemistries.Adaptive charging: Adjusts absorption time for lead-acid batteries based on discharge depth.Electronic protection: Includes input undervoltage lockout, overload protection, short-circuit protection and thermal output reduction.Optional system integration: Connect to a compatible GX device through VE.Direct for additional monitoring and control.Power supply mode: Provides an adjustable DC output for suitable applications.Choose Your ChargerOrion XS 12/12-50AProvides up to 50A of charging current and approximately 700W at 14V. Its IP65 protection rating provides dust and water-jet protection when installed according to the manual.Orion XS 12/12-70AProvides up to 70A of charging current and appr...