The Orion-Tr Smart DC-DC charger is an adaptive 3-stage charger (bulk – absorption – float) designed for dual battery systems, such as in vehicles or on boats where the starter battery (hence the alternator) is used to charge the service battery. The name "Smart" comes from its built-in Bluetooth connection, where the charger can be monitored and configured via Bluetooth and can be remotely controlled via a remote on/off switch and has an engine-running detection mechanism. This isolated model allows the input and output to have separate chassis grounds.
The Victron Orion-Tr Smart 48/12-20A charger is an exceptional choice for modern dual-battery arrangements across vehicles, 48V battery carts, trucks, or maritime craft where a 48V primary battery bank or alternator setup needs to supply steady, highly controlled 12V output to a dedicated house battery or critical localized DC equipment loops.
| Width | 186 mm |
| Height | 130 mm |
| Depth | 70 mm |
| Weight | 1.6 kg |
Victron Energy has a strong, unrivalled reputation for technical innovation, reliability, and build quality. Their products are widely considered to be a professional choice for independent electric power. Efficiently combining two or more distinct power sources is what they do best. Their products include sinewave inverters, sinewave inverters/chargers, battery chargers, DC/DC converters, transfer switches, battery monitors and more.
| Orion-Tr 48/12-20A (240 W) | |
|
Input voltage range | 32-70 V |
|
Under voltage shutdown | 28 V |
|
Under voltage restart | 30 V |
|
Nominal output voltage | 12.2 V |
|
Output voltage adjust range | 10-15 V |
|
Output voltage tolerance | +/- 0.2 V |
| Output noise | 2 mV rms |
| Cont. output current at nominal output voltage and 40 °C | 20 A |
| Max. output current (10 s) at nominal output voltage minus 20 % | 25 A |
| Short circuit output current | 50 A |
| Cont. output power at 25 °C | 280 W |
| Cont. output power at 40 °C | 240 W |
| Efficiency | 87% |
| No load input current |
< 80mA |
| Standby current | Less than 1 mA |
| Can be used as power supply | Yes, output voltage can be set with Bluetooth |
| Galvanic isolation | 200 V DC between input, output and case |
| Operating temperature range | -20 to +55 °C (derate 3 % per °C above 40 °C) |
| Humidity | Max. 95 % non-condensing |
| DC connection | Screw terminals |
| Maximum cable cross-section | 16 mm² (AWG6) |
| Weight | 1.3 kg |
| Dimensions (h x w x d) | 130 x 186 x 70 mm |
| Protection category | IP43 (electronic components), IP22 (connection area) |
Safety | EN 60950 |
Emission / Immunity | EN 61000-6-3, EN 55014-1, EN 61000-6-2, EN 61000-6-1, EN 55014-2 |
Automotive Directive | ECE R10-5 |