For 48 V cabin and backup systems of around 2.5 kW of panels that want Victron’s app in a small case. Among the best value per amp in the SmartSolar range.
Amazon $177.84The Victron SmartSolar MPPT 150/45 is the better charge controller overall, rated 4.5 to 4.4. The Victron SmartSolar MPPT 150/45 leads on features. The Victron SmartSolar MPPT 150/45 costs $15.96 less ($177.84 vs $193.80).
For RV and van owners running 500-700 W of panels on 12 V or about 1,400 W on 24 V. It has the same app and warranty as the smaller Victrons at a low cost per amp.
Amazon DRSA $193.80Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Victron SmartSolar MPPT 150/45 for features (Bluetooth app, lithium profile, temperature sensor, 150 V PV input; no temperature sensor vs Bluetooth app, lithium profile, temperature sensor; no temperature sensor).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every MPPT solar charge controller; a clear win is highlighted. How we rank explains each one.
| Factor weight | Victron SmartSolar MPPT 150/45 | Victron SmartSolar MPPT 100/50 |
|---|---|---|
| Overall rating | 4.5/5 | 4.4/5 |
| Value 35% | 81 $3.95 per amp of charge current | 82 $3.88 per amp of charge current |
| Features 25% | 90 Bluetooth app, lithium profile, temperature sensor, 150 V PV input; no temperature sensor | 77 Bluetooth app, lithium profile, temperature sensor; no temperature sensor |
| Efficiency 20% | 75 98% peak efficiency (maker rating) | 75 98% peak efficiency (maker rating) |
| Warranty 20% | 100 5-year warranty | 100 5-year warranty |
Specifications
| Victron SmartSolar MPPT 150/45 | Victron SmartSolar MPPT 100/50 | |
|---|---|---|
| Charging | ||
| Type | MPPT solar charge controller | MPPT solar charge controller |
| Charge current | 45 A | 50 A |
| Battery voltage | 12/24/36/48 V | 12/24 V |
| Lithium profile | Yes | Yes |
| Custom profile | Yes | Yes |
| Temperature sensor | Optional extra | Optional extra |
| Peak efficiency | 98% | 98% |
| Standby draw | 20 mA | 30 mA |
| Inputs | ||
| Max PV voltage (Voc) | 150 V | 100 V |
| Max PV power (12 V) | 650 W | 700 W |
| Max PV power (48 V) | 2,600 W | - |
| Monitoring and build | ||
| Bluetooth | Built in | Built in |
| Display | No | No |
| Load output | No | No |
| Parallel units | Yes | Yes |
| Cooling | passive (no fan) | - |
| Water resistance | IP43 (electronics), IP22 (connection area) | IP43 (electronics), IP22 (connection area) |
| Dimensions | 130 x 186 x 70 mm | 130 x 186 x 70 mm |
| Weight | 2.8 lb | 2.9 lb |
| Warranty | 5 years | 5 years |
| Released | 2019-05 | 2017-08 |
