Victron SmartSolar MPPT 250/100-Tr
#5 in MPPT solarFull review
For large 48 V off-grid homes with long or high-voltage strings that want 100 A from one controller. The top of Victron’s screw-terminal range.
Amazon DRSA $643.45$643.45
The Victron SmartSolar MPPT 250/100-Tr is the better charge controller overall, rated 4.3 to 3.2. The Victron SmartSolar MPPT 250/100-Tr leads on value and efficiency. The Victron SmartSolar MPPT RS 450/100 wins on features. The Victron SmartSolar MPPT 250/100-Tr costs $575.45 less ($643.45 vs $1,218.90).
Victron SmartSolar MPPT RS 450/100
#36 in MPPT solarFull review
For 48 V off-grid homes with big arrays wired in long high-voltage strings or split across two roof faces. Skip it if your inspector requires UL listing.
Amazon DRSA $1,218.90$1,218.90
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 250/100-Tr for value ($6.43 per amp of charge current vs $12.19 per amp of charge current) and efficiency (99% peak efficiency (maker rating) vs 96% peak efficiency (maker rating)).
- Choose the Victron SmartSolar MPPT RS 450/100 for features (Bluetooth app, lithium profile, temperature sensor, 450 V PV input vs Bluetooth app, lithium profile, temperature sensor, 250 V PV input; 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 250/100-Tr | Victron SmartSolar MPPT RS 450/100 |
|---|---|---|
| Overall rating | 4.3/5 | 3.2/5 |
| Value 35% | 48 $6.43 per amp of charge current | 0 $12.19 per amp of charge current |
| Features 25% | 90 Bluetooth app, lithium profile, temperature sensor, 250 V PV input; no temperature sensor | 100 Bluetooth app, lithium profile, temperature sensor, 450 V PV input |
| Efficiency 20% | 100 99% peak efficiency (maker rating) | 25 96% peak efficiency (maker rating) |
| Warranty 20% | 100 5-year warranty | 100 5-year warranty |
Specifications
| Victron SmartSolar MPPT 250/100-Tr | Victron SmartSolar MPPT RS 450/100 | |
|---|---|---|
| Charging | ||
| Type | MPPT solar charge controller | MPPT solar charge controller |
| Charge current | 100 A | 100 A |
| Battery voltage | 12/24/36/48 V | 48 V |
| Lithium profile | Yes | Yes |
| Custom profile | Yes | Yes |
| Temperature sensor | Optional extra | Included |
| Peak efficiency | 99% | 96% |
| Standby draw | 35 mA | 15 mA |
| Inputs | ||
| Max PV voltage (Voc) | 250 V | 450 V |
| Max PV power (12 V) | 1,450 W | - |
| Max PV power (48 V) | 5,800 W | 5,760 W |
| Monitoring and build | ||
| Bluetooth | Built in | Built in |
| Display | No | Yes |
| Load output | No | No |
| Parallel units | Yes | Yes |
| Cooling | passive (no fan) | fan |
| Water resistance | IP43 (electronics), IP22 (connection area) | IP21 |
| Dimensions | 216 x 295 x 103 mm | 440 x 313 x 126 mm |
| Weight | 9.9 lb | 17.4 lb |
| Warranty | 5 years | 5 years |
| Released | 2020-04 | 2020-11 |