The Morningstar GenStar MPPT 60 is the better charge controller overall, rated 3.8 to 3.2. The Morningstar GenStar MPPT 60 leads on features. The Morningstar TriStar MPPT 45 costs $434 less ($558 vs $992).
For off-grid homes and remote sites that want one controller with full networking, a load output and Morningstar’s fanless reliability. Hard to justify for a simple RV or cabin system.
Amazon $992For off-grid cabins and remote sites that want a proven, fanless 45 A controller. Most home and RV buyers get more for less elsewhere.
Amazon $558Prices 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.
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 | Morningstar GenStar MPPT 60 | Morningstar TriStar MPPT 45 |
|---|---|---|
| Overall rating | 3.8/5 | 3.2/5 |
| Value 35% | 0 $16.53 per amp of charge current | 0 $12.40 per amp of charge current |
| Features 25% | 100 Bluetooth app, lithium profile, temperature sensor, 200 V PV input | 30 temperature sensor, 150 V PV input; no Bluetooth |
| Efficiency 20% | 100 99% peak efficiency (maker rating) | 100 99% peak efficiency (maker rating) |
| Warranty 20% | 100 5-year warranty | 100 5-year warranty |
| Morningstar GenStar MPPT 60 | Morningstar TriStar MPPT 45 | |
|---|---|---|
| Charging | ||
| Type | MPPT solar charge controller | MPPT solar charge controller |
| Charge current | 60 A | 45 A |
| Battery voltage | 12/24/48 V | 12/24/36/48 V |
| Lithium profile | Yes | No |
| Custom profile | Yes | Yes |
| Temperature sensor | Included | Optional extra |
| Peak efficiency | 99% | 99% |
| Standby draw | 200 mA | 225 mA |
| Inputs | ||
| Max PV voltage (Voc) | 200 V | 150 V |
| Max PV power (12 V) | 800 W | 600 W |
| Max PV power (48 V) | 3,200 W | 2,400 W |
| Monitoring and build | ||
| Bluetooth | Built in | No |
| Display | Yes | No |
| Load output | Yes | No |
| Cooling | passive (fanless) | passive (no fans) |
| Water resistance | IP20 | IP20 (Type 1, indoor and vented) |
| Dimensions | 360.4 x 222 x 170.2 mm (14.2 x 8.75 x 6.70 in) | 29.1 x 13.0 x 14.2 cm (11.4 x 5.1 x 5.6 in) |
| Weight | 14.6 lb | 9.2 lb |
| Warranty | 5 years | 5 years |
| Released | 2023-06 | 2009 |
