The Morningstar GenStar MPPT 80 is the better charge controller overall, rated 3.8 to 3.1. The Morningstar GenStar MPPT 80 leads on features and efficiency. The Morningstar TriStar MPPT 600V costs $174 less ($998 vs $1,172).
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 $1,236 NAZ Solar Electric $1,172For off-grid homes and remote sites where the array sits far from the batteries and long high-voltage strings save on copper. Overpriced for a short wire run.
NAZ Solar Electric $998Prices 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 80 | Morningstar TriStar MPPT 600V |
|---|---|---|
| Overall rating | 3.8/5 | 3.1/5 |
| Value 35% | 0 $14.65 per amp of charge current | 0 $16.63 per amp of charge current |
| Features 25% | 100 Bluetooth app, lithium profile, temperature sensor, 200 V PV input | 40 temperature sensor, 600 V PV input; no Bluetooth |
| Efficiency 20% | 100 99% peak efficiency (maker rating) | 73 97.9% peak efficiency (maker rating) |
| Warranty 20% | 100 5-year warranty | 100 5-year warranty |
| Morningstar GenStar MPPT 80 | Morningstar TriStar MPPT 600V | |
|---|---|---|
| Charging | ||
| Type | MPPT solar charge controller | MPPT solar charge controller |
| Charge current | 80 A | 60 A |
| Battery voltage | 12/24/48 V | 24/36/48/60 V |
| Lithium profile | Yes | No |
| Custom profile | Yes | Yes |
| Temperature sensor | Included | Included |
| Peak efficiency | 99% | 97.9% |
| Standby draw | 200 mA | 52 mA |
| Inputs | ||
| Max PV voltage (Voc) | 200 V | 600 V |
| Max PV power (12 V) | 1,075 W | - |
| Max PV power (48 V) | 4,300 W | 3,200 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) | 39.2 x 22.1 x 14.9 cm (15.4 x 8.7 x 5.9 in) |
| Weight | 15.6 lb | 19.8 lb |
| Warranty | 5 years | 5 years |
| Released | 2023-06 | 2013-11 |
