The Victron Orion Smart 30 A (VOS2412-30NI) is a non-isolated 24 V-to-12 V DC-DC battery charger that delivers up to 30 A of multi-stage charging for lead-acid (including AGM/GEL) and lithium batteries. Compact and robust, it includes Bluetooth monitoring and setup via the VictronConnect app and is well suited to marine, RV, 4 x 4 and off-grid vehicle systems. (Also commonly referenced as the Orion‑Tr Smart in some searches.)

• Reliable automatic charging: intelligent multi-stage charging algorithms for lead-acid and lithium chemistries to optimise vehicle battery performance.
• Bluetooth connectivity: inbuilt Bluetooth allows monitoring, configuration and remote on/off control using the VictronConnect app.
• Remote on/off control: via a hard-wired switch, external relay or the VictronConnect app.
• Safe unattended charging: inbuilt protections against overload, overheating and short circuit for reliable operation.
• Continued charging during battery/load use: the charger will continue to operate at full power whilst energy is drawn from the battery during charging or use.
• Compatible with other charging sources: thanks to the inbuilt suppression filter, batteries may be charged from alternators, solar or mains without interference.
• System upgrade potential: identical units can be connected in parallel to increase available charging power.
• Additional features: LED indicators to show target battery charging status and compatibility with Battery Management Systems.
• Specifications:
  • Input voltage: 20–35 V
  • Output current: 0–30 A
  • Output voltage (adjustable): 10–15 V (12.2 V nominal)
  • Battery compatibility: suitable for lead-acid (including AGM/GEL) and lithium batteries
  • Undervoltage shutdown (output): 14 V
  • Undervoltage restart (output): 15 V
  • Output voltage tolerance: ±0.2 V
  • Output noise: 2 mV RMS
  • Continuous output power at 25 °C: 430 W
  • No-load consumption: < 100 mA; standby consumption: < 1 mA
  • Operating temperature: -20 to +55 °C (derate 3%/°C above 25 °C)
  • Humidity: max. 95% non-condensing
  • Max cable cross section: 16 mm² (AWG 6)
  • Dimensions (L x W x H): 186 x 130 x 80 mm (7.32 x 5.12 x 3.15 in)
  • Weight: 1.8 kg (4.0 lb)
  • Warranty and documentation: covered by a 5 year manufacturer warranty. User manual: 30 A 24 V DC to 12 V DC non-isolated battery charger (VOS2412-30NI).