Rover Li 20 Amp MPPT Solar Charge Controller
Engineered for off‑grid and integrated solar systems, the Rover Li 20A MPPT Charge Controller optimizes energy harvest from 12V or 24V battery configurations. Its advanced MPPT design delivers tracking efficiency up to 99%, enabling faster battery charging with minimal energy waste. The unit automatically detects 12V or 24V systems for non‑Lithium batteries, streamlining setup and reducing configuration errors. Built to expand with your growing energy needs, it supports diverse load control and remote monitoring options for flexible system management.
Performance specifications
- Rated charge current: 20A
- Nominal system voltage: 12/24V auto‑detect
- Max PV input voltage: 100 VDC
- Operating temperature range: -35°C to 45°C (-31°F to 113°F)
- Protection level: IP32
- Construction: Die‑cast aluminum heat sink for effective thermal management
- External temperature sensor for battery temperature‑compensated charging
- Charging stages: 4‑stage safely charging
Safety features and certifications
The Renogy Rover 20A includes eight electronic protections to monitor voltage, current, and load for safe battery charging. A battery recovery function activates a small current to bring dead batteries out of protection modes triggered by the BMS, enhancing usability in aging packs. The rugged enclosure and integrated cooling pathway maintain performance and safety under varying solar conditions.
Installation and maintenance
- Package contents: Rover Li 20 Amp MPPT Charge Controller, remote temperature sensor, mounting brackets
- Optional BT‑1 Bluetooth Module for remote monitoring
- Wiring and mounting guidance: punch a 55 mm hole for installation; use an embedded horizontal bubble to ensure horizontality; secure with the included mounting features
Usage and integration
Designed for versatile load control and remote monitoring, the Rover supports Auto‑On/Off, Timer, Manual, Test, and Always‑On modes. It remains compatible with mainstream trackers and offers robust energy management for systems seeking reliable solar charging with clear visualization of energy data.
- Innovative MPPT Design: tracking efficiency of up to 99%
- Automatically detects 12V or 24V DC system voltages
- Multiple system protections
- 4-Stage safely charging
- Diverse load control & remote monitoring
Robust Charging. Serious Value.
Rover 20A MPPT Solar Charge Controller
Our panels are compatible with mainstream trackers. By leveraging optimal angles and open spaces, you can maximize solar energy generation and experience the peace of mind that comes with being self-sufficient.
Rest assured, you won't waste a single watt. Thanks to the high efficiency of bifacial panels, any excess energy generated by your solar panels can be stored in batteries for future use or sold back to the main power grid. Installing a solar roof is a wise financial decision that enhances the value of your home.
Cetified Protections
The Renogy Rover 20A Solar Charge Controlle features 8 electronic protections to actively monitor changes of voltage, current, and load for efficient and safe battery charging.
Bring Dead Batteries to Life
Activates dead batteries with small current to get it out of protection mode triggered by the battery management system (BMS).
Stay Cool, Stay Empowered
Made of robust die-cast aluminum, the heat sink that comes with the Rover 20A Solar Charge Controller allows the heat flow away through tubes to ensure maximum charging efficiency and safety of critical components.
Charging with Precision
The included external temperature sensor helps Rover 20A Solar Charge Controller track the battery's temperature all year round, avoiding under-charging in cold climates down to -40°F, and overcharging in blazing weather up to 149°F.
Control Your Energy From Distance
Versatile Load Control
Rover 20A Charge Controller features Auto-On/Off Mode, Timer Mode, Manual Mode, Test Mode, and Always-On Mode, further maximizing your system flexibility.
Ready-to-Install
Package includes a Rover 20A Solar Charge Controller, a temperature sensor, several mounting brackets, and a user manual.
Wiring Steps
Do not insert the wires into the space below the socket/hatch, which will damage terminals because of loose connections.
Step 1
Complete a hole using a 55mm diameter punch and get all components of the device stand.
Step 2
With an embedded horizontal bubble, it's easy to achieve the horizontality of the device and avoid repeated leveling.
Step 3
Rotate, click clack, it's done.
Learn more
Package Includes
|
Rover Li 20 Amp MPPT Charge Controller
1 x
|
Remote Temperature Sensor
1 x
|
|
Mounting Brackets
4 X
|
Options: BT-1 Bluetooth Module
1 x
|
| RENOGY ROVER 20 AMP MPPT SOLAR CHARGE CONTROLLER (RNG-CTRL-RVR20) | |||
|---|---|---|---|
| Electrical Parameters | Environmental Data | ||
| Nominal System Voltage | 12/24V (Auto-Detect for Non-Lithium Batteries) | Protection Level | IP32 |
| Rated Charge Current | 20A | Operating Temperature Range | -35°C to 45°C; -31°F to 113°F |
| Max. PV Input Voltage | 100 VDC | Storage Temperature Range | -35°C to 75°C; -31°F to 167°F |
| Max. PV Input Power | 12V/260W, 24V/520W | Operating / Storage Humidity | ≤ 90%, No Condensation |
| Power Consumption | ＜100mA/12V; ＜58mA/24V | Temperature Compensation | -3mV/°C/2V |
| Max Battery Voltage | 32V | Accessories | |
| Ground Type | Negative | Temperature Sensor | 9.8ft cable length |
| Electrical Protection | Overcharging, over-discharging, overload, and short circuit.Capable of charging over-discharged lithium batteries. | Certifications | |
| Mechanical Specifications | CE | YES | |
| Dimensions | 210 x 151 x 59.5 mm; 8.27 x 5.94 x 2.34 in | FCC Class B Part 15 Compliant | YES |
| Weight | 1.4kg / 3.08 lb | Warranty | |
| Max. Terminals Size | 8 AWG 10mm2 | Material and workmanship warranty | 1 Year |
| RENOGY BT-1 BLUETOOTH MODULE (RCM-BT1) | |||
| Compatibility | Operation Specifications | ||
| Compatible PWM Charge Controller |
RNG-CTRL-WND10/RNG-CTRL-WND30-LI/RNG-CTRL-ADV30-LI |
Communication Protocol | RS232 |
| Compatible MPPT Charge Controller |
RNG-CTRL-RVR20/RNG-CTRL-RVR30/ RNG-CTRL-RVR40/RNG-CTRL-RVR60S/ RNG-CTRL-RVR100 |
Port Type | RJ12 |
| Compatible App | Renogy DC Home App available in both the App Store and Google Play | Input Voltage | 5V |
| Protection Grade | IP54 | ||
| Standby Power Consumption | 0.04W | ||
| Mechanical Specifications | Operating Power Consumption | 0.05W | |
| Communication Range | ≤82ft (25m) | Serial Baud Rate | Fixed Baud Rate 9600bps |
| Cable Length | 16.4 ft (5.00m) | Certifications | |
| Dimensions | 2.65 X 1.38 X 0.55 in (67.3 X 35 X 14 mm) | FCC Class B Part 15 Compliant | YES |
| Weight | 4.58oz (130g) | Warranty | |
| Operation Temperature | -4°F to 185°F (-20℃~85℃) | Material and workmanship warranty | 1 Year |
1. In what order do I connect my system?
The off-grid solar system includes the solar panels, charge controller, batteries, inverter, Bluetooth module, and wirings. First, the battery should be hooked up to the charge controller with tray cables. Second, then connect your solar panel to your charge controller with adaptor kits.
2. What type of protection does the Rover MPPT Charge Controller have?
Battery Protection: Battery Over Discharge protection, Battery Over Voltage protection, Battery Reverse Polarity protection Load Protection: Load Overload protection, Load Short Circuit protection, Controller Overheating protection PV Protection: PV Over Current Protection, PV Short Circuit protection, PV Reverse Polarity protection, Battery overheating protection
3. What are the Positive ground and negative ground charge controllers?
In charge controllers, positive ground or negative ground refers to how the controller is wired internally. Positive ground means all the positives are hard-wired together, and the internal switching happens on the negatives. The negative ground is the opposite. It doesn't matter as long as your solar +/- runs to the charge controller and isn't grounded anywhere else.
4. Does the Rover 20A MPPT charge controller have a built in 20A fuse for the rated 20A load output?
No. Please always add an external fuse between the charge controller and batteries. To determine the fuse size needed between the charge controller and battery bank, you can match the amperage rating on the charge controller. For instance, if you have one of our 20Amp charge controllers, we recommend using a 20Amp fuse.
5. If I have 2x200W panels which of these MPPT charge controller will be good? 20A or 30A ect.
If you connect these panels in series to a 24V system, the 20A model would be acceptable. But you would need a 30A controller if you connect these two solar panels in parallel to make a 12V system.
6. How many watts can Renogy Rover 20 amp charge controller handle?
The Rover MPPT charge controller can work with standard off-grid 12/24V solar panels with high voltage or multiple panels with voltage up to 100V. And the maximum combined input solar power is 260W for a 12V battery system or 520W for a 24V system. In particular, this controller will significantly increase the efficiency of a solar system where the solar panel voltage is much higher than the battery voltage.
7. What is a Solar Charge Controller and what is MPPT?
The Charge Controller takes the power made by the solar panels and transform the ‘solar panel power’ into a form of power that the batteries can use. MPPT stands for Maximum Power Point Tracking, and it relates to the solar cell itself. Each solar cell has a point at which the current (I) and voltage (V) output from the cell result in the maximum power output of the cell. MPPT ensures that you get the most power possible from your solar panels at any point in time. It is particularly effective during low light level conditions.
8. What does 20A on MPPT charge controller mean?
20A represents the max amount of amps the controller can output going INTO THE BATTERIES.
9. What are the advantages of Renogy MPPT technology?
Renogy Rover series solar charge controller uses the most advanced Maximum Power Point Tracking (MPPT) technology to track solar panels' maximum power voltage point as it varies depending on sunlight exposure and temperature. This technology ensures the maximum efficiency of your solar system and significantly outperforms standard PWM solar controllers. Another benefit of MPPT technology is the wide solar input voltage range. This controller can work with standard off-grid 12/24V solar panels and with high voltage or multiple panels with voltage up to 100V.
- More questions about your off-grid power system? Learn more from Renogy Learning Center!
| Please click the links below to download Manual: | |||
| Renogy BT-1 Bluetooth Module | |||
| Renogy DC-Home App for Renogy products with communication ports | |||
|
Rover Li 20 Amp MPPT Charge Controller
1 x
|
Remote Temperature Sensor
1 x
|
|
Mounting Brackets
4 X
|
Options: BT-1 Bluetooth Module
1 x
|
| RENOGY ROVER 20 AMP MPPT SOLAR CHARGE CONTROLLER (RNG-CTRL-RVR20) | |||
|---|---|---|---|
| Electrical Parameters | Environmental Data | ||
| Nominal System Voltage | 12/24V (Auto-Detect for Non-Lithium Batteries) | Protection Level | IP32 |
| Rated Charge Current | 20A | Operating Temperature Range | -35°C to 45°C; -31°F to 113°F |
| Max. PV Input Voltage | 100 VDC | Storage Temperature Range | -35°C to 75°C; -31°F to 167°F |
| Max. PV Input Power | 12V/260W, 24V/520W | Operating / Storage Humidity | ≤ 90%, No Condensation |
| Power Consumption | ＜100mA/12V; ＜58mA/24V | Temperature Compensation | -3mV/°C/2V |
| Max Battery Voltage | 32V | Accessories | |
| Ground Type | Negative | Temperature Sensor | 9.8ft cable length |
| Electrical Protection | Overcharging, over-discharging, overload, and short circuit.Capable of charging over-discharged lithium batteries. | Certifications | |
| Mechanical Specifications | CE | YES | |
| Dimensions | 210 x 151 x 59.5 mm; 8.27 x 5.94 x 2.34 in | FCC Class B Part 15 Compliant | YES |
| Weight | 1.4kg / 3.08 lb | Warranty | |
| Max. Terminals Size | 8 AWG 10mm2 | Material and workmanship warranty | 1 Year |
| RENOGY BT-1 BLUETOOTH MODULE (RCM-BT1) | |||
| Compatibility | Operation Specifications | ||
| Compatible PWM Charge Controller |
RNG-CTRL-WND10/RNG-CTRL-WND30-LI/RNG-CTRL-ADV30-LI |
Communication Protocol | RS232 |
| Compatible MPPT Charge Controller |
RNG-CTRL-RVR20/RNG-CTRL-RVR30/ RNG-CTRL-RVR40/RNG-CTRL-RVR60S/ RNG-CTRL-RVR100 |
Port Type | RJ12 |
| Compatible App | Renogy DC Home App available in both the App Store and Google Play | Input Voltage | 5V |
| Protection Grade | IP54 | ||
| Standby Power Consumption | 0.04W | ||
| Mechanical Specifications | Operating Power Consumption | 0.05W | |
| Communication Range | ≤82ft (25m) | Serial Baud Rate | Fixed Baud Rate 9600bps |
| Cable Length | 16.4 ft (5.00m) | Certifications | |
| Dimensions | 2.65 X 1.38 X 0.55 in (67.3 X 35 X 14 mm) | FCC Class B Part 15 Compliant | YES |
| Weight | 4.58oz (130g) | Warranty | |
| Operation Temperature | -4°F to 185°F (-20℃~85℃) | Material and workmanship warranty | 1 Year |
| Please click the links below to download Manual: | |||
| Renogy BT-1 Bluetooth Module | |||
| Renogy DC-Home App for Renogy products with communication ports | |||