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
The Renogy Rover 40A rates 4.0 among MPPT solar charge controllers; the Redodo 12V 40A DC-DC with MPPT rates 3.3 among DC-DC ones. The Renogy Rover 40A costs $6 less ($159.99 vs $165.99).
Redodo 12V 40A DC-DC with MPPT
#9 in DC-DCFull review
For budget van and trailer builds that want alternator and solar charging in one cheap box. Specs are thin, so pick it on price rather than features.
Amazon $165.99$165.99
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.
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 | Renogy Rover 40A | Redodo 12V 40A DC-DC with MPPT |
|---|---|---|
| Overall rating | 4.0/5 | 3.3/5 |
| Value 35% | 80 $4 per amp of charge current | 90 $4.15 per amp of charge current |
| Features 25% | 69 Bluetooth add-on, lithium profile, temperature sensor; 100 V PV limit | 35 lithium profile; no Bluetooth |
| Efficiency 20% | 75 98% peak efficiency (maker rating) | 38 93% peak efficiency (maker rating) |
| Warranty 20% | 50 3-year warranty | 25 2-year warranty |
Specifications
| Renogy Rover 40A | Redodo 12V 40A DC-DC with MPPT | |
|---|---|---|
| Charging | ||
| Type | MPPT solar charge controller | DC-DC charger with MPPT solar input |
| Charge current | 40 A | 40 A |
| Battery voltage | 12/24 V | 12 V |
| Lithium profile | Yes | Yes |
| Temperature sensor | Included | No |
| Peak efficiency | 98% | 93% |
| Standby draw | 100 mA | - |
| Inputs | ||
| Max PV voltage (Voc) | 100 V | - |
| Max PV power (12 V) | 520 W | - |
| Monitoring and build | ||
| Bluetooth | Optional add-on | No |
| Display | Yes | - |
| Load output | - | No |
| Water resistance | IP32 | - |
| Dimensions | 9.38 x 6.78 x 3.05 in | 5.83 x 1.89 x 7.44 in |
| Weight | - | 2.4 lb |
| Warranty | 3 years | 2 years |