Renogy Rover Li 40A MPPT Solar Charge Controller 1 / 8
Renogy

Renogy Rover Li 40A MPPT Solar Charge Controller Renogy Rover Li 40A MPPT Solar Charge Controller

SKU: RNG-CTRL-RVR40-G3-US

Brand Renogy In Stock
$205.99 In Stock
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Key features
  • Rated Charge Current 40A
  • Weight 2.0kg / 4.41 lb
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Renogy Rover Li 40A MPPT Solar Charge Controller

In Stock
Renogy Rover Li 40A MPPT Solar Charge Controller
Quantity$205.99 each
1

Renogy Rover Li 40A MPPT Solar Charge Controller

The Renogy Rover Li 40A MPPT Solar Charge Controller is a 40A controller for 12V or 24V battery systems with automatic system-voltage detection. It is designed for off-grid solar charging where accurate array sizing, battery-profile selection, and protection features matter.

Solar Array Sizing

For array planning, the PV input voltage range is 15VDC to 100VDC. Maximum PV input power is 520W on a 12V system or 1040W on a 24V system. Confirm panel open-circuit voltage, array wiring, and cold-weather conditions before installation so the array stays within the controller’s limits.

Battery Compatibility and Protection

The controller accepts battery input from 10VDC to 32VDC and includes protection against overcharging, over-discharging, overload, and short circuit. Renogy also states that it can charge over-discharged lithium batteries. Select the appropriate battery charging profile and follow the battery manufacturer’s voltage and BMS requirements.

Installation Considerations

Installation planning should account for the controller’s 8 AWG (10 mm²) maximum terminal size, 238 x 172 x 77 mm dimensions, and 2.0 kg weight. It operates from -35°C to 45°C and has an IP32 protection level. A temperature sensor with a 9.8-foot cable is listed in the specifications, and terminal wiring should follow Renogy’s installation instructions.

Version and Communication Guidance

Communication differs by version: the supplied specifications identify RS232 for the G1 version and RS485 for the G2 version. Verify the controller generation and included accessories before planning remote monitoring or selecting a communication module. The listed certifications and compliance markings include CE and FCC Class B Part 15 compliance.

Size the charging system

Use our solar charge controller sizing guide to compare controller current and voltage limits. The MPPT versus PWM guide explains how MPPT and PWM designs differ.

Compare this Renogy model

40A rated charging, 15VDC~100VDC PV input, 12V / 520W, 24V / 1040W PV power. Compare voltage, current and battery profiles.

Compare Rover Li 30A by electrical ratings, dimensions, features and selected pack quantity before ordering.

Rover Li 40A MPPT Solar Charge Controller
Package Includes
1 Rover Li 40A MPPT Solar Charge Controller
Quick Guide
Package Includes
1 Quick Guide
Renogy Temperature Sensor
Package Includes
1 Renogy Temperature Sensor
Mounting Bracket
Package Includes
4 Mounting Bracket
Mounting Bracket Screw
Package Includes
4 Mounting Bracket Screw
Package Includes
4 (Model: RTSCC) Mounting Bracket
Package Includes
4 Mounting Bracket Screws
RENOGY ROVER 40 AMP MPPT SOLAR CHARGE CONTROLLER
Selected variant SKU RNG-CTRL-RVR40-G3-US
Electrical Parameters
Nominal System Voltage 12 / 24V Auto-Detect
Rated Charge Current 40A
Solar Input Voltage Range (Voc) 15VDC~100VDC
Max. PV Input Power 12V / 520W, 24V / 1040W
Power Consumption ＜100mA / 12V; ＜58mA / 24V
Battery Input Voltage Range 10VDC ~ 32VDC
Communication G1 Version: RS232, G2 Version: RS485
Electrical Protection Overcharging, over-discharging, overload, and short circuit. Capable of charging over-discharged lithium batteries.
Environmental Data
Protection Level IP32
Operating Temperature Range -35°C to 45°C; -31°F to 113°F
Storage Temperature Range -35°C to 75°C; -31°F to 167°F
Operating / Storage Humidity ≤ 90%, No Condensation
Temperature Compensation -3mV/°C/2V
Mechanical Specifications
Dimensions 238 x 172 x 77 mm / 9.38 x 6.78 x 3.05 in
Weight 2.0kg / 4.41 lb
Max. Terminals Size 8 AWG 10mm2
Accessories
Temperature Sensor 9.8ft cable length
Certifications
CE YES
FCC Class B Part 15 Compliant YES
Material and workmanship warranty 3 Year
Compatible MPPT Charge Controller RNG-CTRL-RVR40/ RNG-CTRL-RVR60/ RNG-CTRL-RVR100
Compatible App Renogy DC Home App available in both the App Store and Google Play
Communication Protocol RS485 Modbus
Port Type RJ12
Input Voltage /repeat1 5V
Dimensions/repeat3 2.65 X 1.38 X 0.55 in (67.3 X 35 X 14 mm)
Operation Temperature -31℉ to 113℉/-35℃ to 45℃
Storage Temperature -31℉ to 167℉/-35℃ to 75℃
Working Voltage U U1+U2+U3 Working Voltage U: U1=U2=U3
Rated Load Charge Current 20A
Maximum Solar Input Voltage (Voc) 100V DC
Solar Input Voltage Range (Voc) 15V to 100V DC
MPPT Operating Voltage Range 17V to 100V DC
Temperature Compensation Non-lithium -3mV / °C / 2V
Operating Temperature -31°F to 113°F / -35℃ to 45℃
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User Manual
Installation instructions, setup guidance, operation, and troubleshooting.
View PDF
📄
Warranty Sheet
Product documentation and manufacturer terms.
View PDF

Frequently Asked Questions

Clear answers to common questions about this product, setup, compatibility, and use.

How large a solar array can the Rover Li 40A MPPT controller accept in a long-distance overland build without the bundled Bluetooth option? Renogy publishes these model-specific details: Rated Charge Current: 40A; Max. PV Input Power: 12V/520W, 24V/1040W. Check cold-weather open-circuit voltage, operating current, total array power, series/parallel layout, and controller derating. Never size only from the controller's advertised charge amperage. Which lithium profile and lead-acid charging presets are available on the standalone Rover Li 40A? Renogy publishes these model-specific details: Battery Input Voltage Range: 10VDC~32VDC; Electrical Protection: Overcharging, over-discharging, overload, and short circuit. Capable of charging over-discharged lithium batteries.. Auto-recognition may apply differently to lithium and lead-acid banks, so select the exact profile and confirm voltage setpoints, BMS limits, and temperature requirements. How does the MPPT limit on the Rover Li 40A MPPT controller translate into real battery-side charge current without the bundled Bluetooth option? Renogy publishes these model-specific details: Renogy Rover Li 40A MPPT Solar Charge Controller; Rover Li 40 Amp MPPT Solar Charge Controller; Package Includes: Rover 40 Amp MPPT Solar Charge Controller; Rover 40 Amp MPPT Solar Charge Controller. Output is constrained by available PV power, battery voltage and acceptance, temperature, conversion loss, wiring drop, and any programmed current limit. Does the Rover Li 40A MPPT controller need a separate communication module for remote monitoring without the bundled Bluetooth option? Renogy publishes these model-specific details: Options: BT-2 Bluetooth Module; Compatible App: Renogy DC Home App available in both the App Store and Google Play; Communication Protocol: RS485 Modbus; Communication Range: ≤82ft (25m). A Bluetooth module, communication cable, or app account may be required unless built in. Confirm what is included rather than assuming every controller with the same family name has identical monitoring. What conductor, protection, and ventilation details matter when installing the Rover Li 40A MPPT controller without the bundled Bluetooth option? Renogy publishes these model-specific details: Operates at peak performance even in extreme temperatures, ensuring your system is always running smoothly and efficiently.; Wiring Steps: Do not insert the wires into the space below the socket/hatch. This will damage terminals because of loose connections.; Insert the wires into the socket/hatch. The terminals on the Rover 40A can accept up to 8AWG of wires.. Provide correctly sized PV and battery isolation, overcurrent protection where required, secure torque, polarity checks, grounding, and clearance before energizing the controller. Which equipment is verified to work with the Renogy RNG-CTRL-RVR40-G3-US? The manufacturer explicitly lists RNG-CTRL-RVR40/ RNG-CTRL-RVR60/ RNG-CTRL-RVR100. Other models are not established as compatible by this evidence.