Victron SmartSolar MPPT 75/15
#3 in MPPT solarFull review
The pick for small van, trailer or boat systems with one or two panels. It costs little, has a polished app and a five-year warranty.
Amazon Expion360 $70.55$70.55
The Victron SmartSolar MPPT 75/15 rates 4.2 among MPPT solar charge controllers; the CTEK D250SE rates 2.4 among DC-DC ones. The Victron SmartSolar MPPT 75/15 costs $334.30 less ($70.55 vs $404.85).
CTEK D250SE
#11 in DC-DCFull review
For owners of small lead-acid or lithium banks who want a sealed, set-and-forget charger that also keeps the starter battery topped up. Bigger lithium banks need a higher-current unit.
Amazon $404.85$404.85
Prices 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 75/15 | CTEK D250SE |
|---|---|---|
| Overall rating | 4.2/5 | 2.4/5 |
| Value 35% | 71 $4.70 per amp of charge current | 0 $20.24 per amp of charge current |
| Features 25% | 70 Bluetooth app, lithium profile, temperature sensor; no temperature sensor | 45 lithium profile, 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 75/15 | CTEK D250SE | |
|---|---|---|
| Charging | ||
| Type | MPPT solar charge controller | DC-DC charger with MPPT solar input |
| Charge current | 15 A | 20 A |
| Battery voltage | 12/24 V | 12 V |
| Lithium profile | Yes | Yes |
| Custom profile | Yes | No |
| Temperature sensor | Optional extra | No |
| Peak efficiency | 98% | - |
| Standby draw | 10 mA | - |
| Inputs | ||
| Max PV voltage (Voc) | 75 V | - |
| Max PV power (12 V) | 220 W | - |
| DC input range | - | 11.5 to 23 V |
| Smart alternator | - | Yes |
| Monitoring and build | ||
| Bluetooth | Built in | No |
| Display | No | - |
| Load output | Yes | No |
| Parallel units | Yes | - |
| Water resistance | IP43 (electronics), IP22 (connection area) | IP65 |
| Dimensions | 100 x 113 x 50 mm | 192 x 110 x 65 mm |
| Weight | 1.3 lb | 1.5 lb |
| Warranty | 5 years | 2 years |