For large RV, cabin or boat systems that need 60 A and long series strings. Worth the premium if you want Victron’s app, BMS control and warranty.
Amazon DRSA $368.90The Victron SmartSolar MPPT 150/60-Tr rates 4.1 among MPPT solar charge controllers; the Sterling Pro Batt Ultra BB1260 rates 3.5 among DC-DC ones. The Sterling Pro Batt Ultra BB1260 costs $50.15 less ($318.75 vs $368.90).

For boats and big RV banks that need lots of alternator current and fine control over charge voltages. Van builders short on space will find the Orion XS smaller and easier.
Amazon $318.75Prices were last checked October 22, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different type classes (MPPT solar and DC-DC), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | Victron SmartSolar MPPT 150/60-Tr | Sterling Pro Batt Ultra BB1260 |
|---|---|---|
| Overall rating | 4.1/5 | 3.5/5 |
| Value 35% | 51 $6.15 per amp of charge current | 79 $5.31 per amp of charge current |
| Features 25% | 90 Bluetooth app, lithium profile, temperature sensor, 150 V PV input; no temperature sensor | 55 lithium profile, temperature sensor, smart-alternator support; no Bluetooth |
| Efficiency 20% | 75 98% peak efficiency (maker rating) | 50 efficiency not published (neutral score used) |
| Warranty 20% | 100 5-year warranty | 25 2-year warranty |
Specifications
| Victron SmartSolar MPPT 150/60-Tr | Sterling Pro Batt Ultra BB1260 | |
|---|---|---|
| Charging | ||
| Type | MPPT solar charge controller | DC-DC charger |
| Charge current | 60 A | 60 A |
| Battery voltage | 12/24/36/48 V | 12 V |
| Lithium profile | Yes | Yes |
| Custom profile | Yes | Yes |
| Temperature sensor | Optional extra | Optional extra |
| Peak efficiency | 98% | - |
| Standby draw | 35 mA | 1 mA |
| Inputs | ||
| Max PV voltage (Voc) | 150 V | - |
| Max PV power (12 V) | 860 W | - |
| DC input range | - | 11 to 20 V |
| Smart alternator | - | Yes |
| Ignition sensing | - | Yes |
| Monitoring and build | ||
| Bluetooth | Built in | No |
| Display | No | - |
| Load output | No | No |
| Parallel units | Yes | - |
| Cooling | passive (no fan) | fan |
| Water resistance | IP43 (electronics), IP22 (connection area) | IP21 |
| Dimensions | 185 x 250 x 95 mm | 190 x 160 x 70 mm |
| Weight | 6.6 lb | 3.1 lb |
| Warranty | 5 years | 2 years |