Orion-Tr Smart DC-DC Charger Isolated 48/12 20A (240W)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 vehicles or on boats where the (smart) alternator and the start battery are used to charge the service 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 can be used in 12V, 24V, or 48V systems and is suitable for both lead acid and lithium batteries. Models are available up to 400W and unlimited multiple units can be connected in parallel to increase output power.Suitable for high temperatures up to 55AdegC with a full rated output up to 40AdegC.Features: Remote on/off terminal - The remote on/off terminal eliminates the need for a high current switch in the input wiring. The remote on/off can be operated with a low power switch or for example the engine run/stop switch. All models are short circuit proof and can be paralleled to increase output current - An unlimited number of units can be connected in parallel. High temperature protected - The output current will reduce at high ambient temperature. IP43 protection - When installed with the screw terminals oriented downwards. Screw terminals - No special tools are needed for installation. Input fuse (not replaceable) - On 12 V and 24 V input models only. Adjustable output voltage - Not intended for battery charging. Please consider using an Orion-Tr Smart for battery charging.