Victron SmartSolar MPPT 150/100-Tr
#7 in MPPT solarFull review
For large 48 V off-grid homes and backup systems that need 100 A from one controller. Good value per amp for a Victron, best paired with a GX device.
Amazon DRSA $542.30$542.30
The Victron SmartSolar MPPT 150/100-Tr is the better charge controller overall, rated 4.3 to 3.1. The Victron SmartSolar MPPT 150/100-Tr leads on value and features. The OutBack FLEXmax 100 AFCI wins on efficiency. The Victron SmartSolar MPPT 150/100-Tr costs $952.36 less ($542.30 vs $1,494.66).
OutBack FLEXmax 100 AFCI
#39 in MPPT solarFull review
For large 48 V off-grid or backup systems built around OutBack inverters, where 300 V strings and built-in arc-fault protection simplify the install.
NAZ Solar Electric $1,494.66$1,494.66
Prices were last checked October 24, 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 150/100-Tr for value ($5.42 per amp of charge current vs $14.95 per amp of charge current) and features (Bluetooth app, lithium profile, temperature sensor, 150 V PV input; no temperature sensor vs temperature sensor, 300 V PV input; no Bluetooth).
- Choose the OutBack FLEXmax 100 AFCI for efficiency (98.8% peak efficiency (maker rating) vs 98% peak efficiency (maker rating)).
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 150/100-Tr | OutBack FLEXmax 100 AFCI |
|---|---|---|
| Overall rating | 4.3/5 | 3.1/5 |
| Value 35% | 61 $5.42 per amp of charge current | 0 $14.95 per amp of charge current |
| Features 25% | 90 Bluetooth app, lithium profile, temperature sensor, 150 V PV input; no temperature sensor | 30 temperature sensor, 300 V PV input; no Bluetooth |
| Efficiency 20% | 75 98% peak efficiency (maker rating) | 95 98.8% peak efficiency (maker rating) |
| Warranty 20% | 100 5-year warranty | 100 5-year warranty |
Specifications
| Victron SmartSolar MPPT 150/100-Tr | OutBack FLEXmax 100 AFCI | |
|---|---|---|
| Charging | ||
| Type | MPPT solar charge controller | MPPT solar charge controller |
| Charge current | 100 A | 100 A |
| Battery voltage | 12/24/36/48 V | 24/36/48 V |
| Lithium profile | Yes | - |
| Custom profile | Yes | Yes |
| Temperature sensor | Optional extra | Optional extra |
| Peak efficiency | 98% | 98.8% |
| Standby draw | 35 mA | 104 mA |
| Inputs | ||
| Max PV voltage (Voc) | 150 V | 300 V |
| Max PV power (12 V) | 1,450 W | - |
| Max PV power (48 V) | 5,800 W | 7,000 W |
| Monitoring and build | ||
| Bluetooth | Built in | No |
| Display | No | No |
| Load output | No | No |
| Parallel units | Yes | - |
| Cooling | passive (no fan) | fan |
| Water resistance | IP43 (electronics), IP22 (connection area) | IP54 (Type 3R) |
| Dimensions | 216 x 295 x 103 mm | 58.4 x 22.4 x 15.2 cm (23 x 8.8 x 6 in) |
| Weight | 9.9 lb | 16 lb |
| Warranty | 5 years | 5 years |
| Released | 2019-08 | - |