EPEVER Tracer 4210AN G3
#7 in MPPT solarFull review
A budget 40 A controller for owners who are happy setting it up on its own screen. Add the Bluetooth adapter if you want phone monitoring.
Amazon $118.99$118.99
The EPEVER Tracer 4210AN G3 is the better charge controller overall, rated 3.9 to 2.9. The EPEVER Tracer 4210AN G3 leads on value and features. The Morningstar ProStar MPPT 40 wins on warranty. The EPEVER Tracer 4210AN G3 costs $419.01 less ($118.99 vs $538).
Morningstar ProStar MPPT 40
#12 in MPPT solarFull review
For boats and remote installs where reliability matters more than price or app features. Most RV owners will get more for their money elsewhere.
Amazon $538$538
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 EPEVER Tracer 4210AN G3 for value ($2.97 per amp of charge current vs $13.45 per amp of charge current) and features (Bluetooth add-on, lithium profile, temperature sensor; no temperature sensor vs temperature sensor; no Bluetooth).
- Choose the Morningstar ProStar MPPT 40 for warranty (5-year warranty vs 2-year warranty).
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 | EPEVER Tracer 4210AN G3 | Morningstar ProStar MPPT 40 |
|---|---|---|
| Overall rating | 3.9/5 | 2.9/5 |
| Value 35% | 94 $2.97 per amp of charge current | 0 $13.45 per amp of charge current |
| Features 25% | 59 Bluetooth add-on, lithium profile, temperature sensor; no temperature sensor | 22 temperature sensor; no Bluetooth |
| Efficiency 20% | 75 98% peak efficiency (maker rating) | 75 98% peak efficiency (maker rating) |
| Warranty 20% | 25 2-year warranty | 100 5-year warranty |
Specifications
| EPEVER Tracer 4210AN G3 | Morningstar ProStar MPPT 40 | |
|---|---|---|
| Charging | ||
| Type | MPPT solar charge controller | MPPT solar charge controller |
| Charge current | 40 A | 40 A |
| Battery voltage | 12/24 V | 12/24 V |
| Lithium profile | Yes | - |
| Custom profile | Yes | Yes |
| Temperature sensor | Optional extra | Optional extra |
| Peak efficiency | 98% | 98% |
| Standby draw | 8 mA | - |
| Inputs | ||
| Max PV voltage (Voc) | 100 V | 120 V |
| Max PV power (12 V) | 520 W | 550 W |
| Monitoring and build | ||
| Bluetooth | Optional add-on | No |
| Display | Yes | No |
| Load output | Yes | Yes |
| Parallel units | - | Yes |
| Cooling | - | passive (aluminum heatsink) |
| Water resistance | IP30 | IP20 |
| Dimensions | 252 x 180 x 63 mm | 20 x 17 x 7 cm (7.9 x 6.7 x 2.8 in) |
| Weight | 3.6 lb | 3.1 lb |
| Warranty | 2 years | 5 years |