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 is the better charge controller overall, rated 4.2 to 4.0. The Victron SmartSolar MPPT 75/15 leads on warranty. The Renogy Rover 40A wins on value. The Victron SmartSolar MPPT 75/15 costs $89.44 less ($70.55 vs $159.99).
Renogy Rover 40A
#6 in MPPT solarFull review
A popular 40 A controller for 12/24 V RV and cabin systems with up to about 520 W of panels. Budget for the BT-2 module if you want app monitoring.
Amazon $159.99$159.99
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.
Which should you buy?
- Choose the Victron SmartSolar MPPT 75/15 for warranty (5-year warranty vs 3-year warranty).
- Choose the Renogy Rover 40A for value ($4 per amp of charge current vs $4.70 per amp of charge current).
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 75/15 | Renogy Rover 40A |
|---|---|---|
| Overall rating | 4.2/5 | 4.0/5 |
| Value 35% | 71 $4.70 per amp of charge current | 80 $4 per amp of charge current |
| Features 25% | 70 Bluetooth app, lithium profile, temperature sensor; no temperature sensor | 69 Bluetooth add-on, lithium profile, temperature sensor; 100 V PV limit |
| Efficiency 20% | 75 98% peak efficiency (maker rating) | 75 98% peak efficiency (maker rating) |
| Warranty 20% | 100 5-year warranty | 50 3-year warranty |
Specifications
| Victron SmartSolar MPPT 75/15 | Renogy Rover 40A | |
|---|---|---|
| Charging | ||
| Type | MPPT solar charge controller | MPPT solar charge controller |
| Charge current | 15 A | 40 A |
| Battery voltage | 12/24 V | 12/24 V |
| Lithium profile | Yes | Yes |
| Custom profile | Yes | - |
| Temperature sensor | Optional extra | Included |
| Peak efficiency | 98% | 98% |
| Standby draw | 10 mA | 100 mA |
| Inputs | ||
| Max PV voltage (Voc) | 75 V | 100 V |
| Max PV power (12 V) | 220 W | 520 W |
| Monitoring and build | ||
| Bluetooth | Built in | Optional add-on |
| Display | No | Yes |
| Load output | Yes | - |
| Parallel units | Yes | - |
| Water resistance | IP43 (electronics), IP22 (connection area) | IP32 |
| Dimensions | 100 x 113 x 50 mm | 9.38 x 6.78 x 3.05 in |
| Weight | 1.3 lb | - |
| Warranty | 5 years | 3 years |