The Orion-Tr Smart DC-DC charger is a professional DC to DC adaptive 3-stage charger with Built-In Bluetooth.
 
For use in dual battery systems in vans, 4WDs or on boats where the 'smart' alternator and the start battery are used to charge the second/house battery. The unit can be monitored and programmed via Bluetooth and can be remotely controlled via a remote on/off switch and has an engine running detection mechanism.
The Orion Tr-Smart charger is suitable for both lead acid and lithium batteries.Unlimited multiple units can be connected in parallel to increase output power. Suitable for high temperatures up to 55°C with a full rated output up to 40°C and rated to IP43.