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Renogy

Renogy Rover Li 40 Amp MPPT Solar Charge Controller

SKU RNG-CTRL-RVR40-US
$219.99
$205.99
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Renogy Rover Li 40 Amp MPPT Solar Charge Controller

Renogy

Renogy Rover Li 40 Amp MPPT Solar Charge Controller

SKU RNG-CTRL-RVR40-US

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We offer free shipping on all orders across the contiguous United States. Orders are typically processed within 1–3 business days, and standard delivery takes 5–10 business days. Freight and oversized items take 7–14 business days and may require a scheduled delivery.

What Is Your Return Policy?

We offer a 30-day return window on eligible items from the date of delivery. Products must be unused, in original condition, and returned in their original packaging. To start a return, contact us at support@adventuremotion.com or call (877) 834-4299. Return shipping costs may apply for non-defective items. Damaged or defective items are replaced at no cost to you.

Frequently Asked Questions

Do you offer financing?

Yes — we partner with Affirm so you can split your purchase into easy monthly payments with 0% APR options. Just select Affirm at checkout.

Are you an authorized dealer?

Yes. Adventure Motion is an authorized online dealer for all brands we carry. That means your manufacturer warranty is fully valid and protected.

Can you help me choose the right product?

Absolutely. Call us at (877) 834-4299 or email support@adventuremotion.com — our team specializes in outdoor gear and can match you to the right product.

What if my item arrives damaged?

Contact us within 48 hours of delivery at support@adventuremotion.com. We'll arrange a replacement at zero cost to you — no questions asked.

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The Renogy Rover Li 40 Amp MPPT Solar Charge Controller manages the flow of energy between your solar array and battery bank, getting more usable charge out of every panel. It suits RVs, cabins, boats, and other 12V or 24V off-grid systems, and it recognizes the system voltage on its own when used with non-lithium batteries.

Its maximum power point tracking constantly adjusts to changing sunlight and temperature, reaching up to 99% tracking efficiency and 98% peak conversion efficiency. Charging happens in four stages to keep batteries healthy over the long run, and the controller can even send a small current to a lithium battery that has dropped into BMS protection mode at 0 volts, helping bring it back into service. Before connecting the controller, the battery voltage should be set to ensure safe operation.

The unit is designed to dissipate heat effectively and uses rust- and corrosion-resistant materials for long service life. Multiple load control options and remote monitoring through an optional Bluetooth module give you flexible control over how and when connected DC loads receive power.

What's in the Box

  • 1 x Rover Li 40 Amp MPPT Solar Charge Controller
  • 1 x Remote Temperature Sensor
  • 4 x Mounting Brackets

Electrical Parameters

  • Nominal System Voltage: 12/24V (Auto-detect)
  • Rated Charge Current: 40A
  • Solar Input Voltage Range (Voc): 15V – 100V DC
  • Maximum PV Input Power:

    12V Battery System: 520W
    24V Battery System: 1040W
  • Power Consumption:

    < 100mA (12V)
    < 58mA (24V)
  • Battery Input Voltage Range: 10V – 32V DC
  • Communication:

    G1 Version: RS232
    G2 Version: RS485
  • Electrical Protection: Overcharge, over-discharge, overload, short circuit; supports charging over-discharged lithium batteries

Environmental Data

  • Protection Level: IP32
  • Operating Temperature: -31°F to 113°F (-35°C to 45°C)
  • Storage Temperature: -31°F to 167°F (-35°C to 75°C)
  • Humidity: ≤ 90%, non-condensing
  • Temperature Compensation: -3mV/°C/2V

Mechanical Specifications

  • Dimensions: 238 × 172 × 77 mm (9.38 × 6.78 × 3.05 in)
  • Weight: 2.0 kg (4.41 lb)
  • Max Terminal Size: 8 AWG (10 mm²)

Accessories

  • Temperature Sensor: 9.8 ft cable length

Certifications

  • CE: Yes
  • FCC Class B Part 15 compliant: Yes

Warranty

  • Material & Workmanship Warranty: 3 years

Additional Operation Specifications

  • Communication Protocol: RS485 Modbus
  • Port Type: RJ12
  • Input Voltage: 5V
  • Protection Grade: IP54
  • Standby Power Consumption: 0.04W
  • Operating Power Consumption: 0.05W
  • Serial Baud Rate: Fixed at 9600 bps

Additional Mechanical Details

  • Communication Range: ≤ 82 ft (25 m)
  • Cable Length: 16.4 ft (5.0 m)
  • Device Dimensions: 2.65 × 1.38 × 0.55 in (67.3 × 35 × 14 mm)
  • Weight: 4.58 oz (130 g)
  • Operating Altitude: ≤ 3000 m
  • Operating Temperature: -31°F to 113°F (-35°C to 45°C)
  • Storage Temperature: -31°F to 167°F (-35°C to 75°C)

  • MPPT tracking efficiency up to 99% with 98% peak conversion efficiency
  • Automatic 12V/24V system detection for non-lithium batteries
  • Four-stage charging for safe, efficient battery charging
  • Reactivates 0V lithium batteries that have entered BMS protection
  • Protection against overcharging, over-discharging, short circuits, overloads, reverse polarity, and reverse current
  • Temperature compensation with the included remote sensor
  • Multiple load control options with remote monitoring capability
  • Heat-dissipating design and corrosion-resistant construction

How should i wire my panels with an mppt charge controller?
You can wire your solar panels in series, parallel, or a series-parallel combination depending on your system design and voltage requirements.
What is the max wattage input on the rover 40a?
The rover 40a mppt controller supports up to 520w on a 12v system and up to 1040w on a 24v system.
Does the rover 40a mppt charge controller have a built-in 40a fuse?
No. you must install an external fuse between the charge controller and the battery. renogy recommends a 40a anl fuse.
What are the advantages of renogy mppt technology?
Renogy rover series controllers use advanced mppt tracking algorithms to find the maximum power point of the solar panels, ensuring higher efficiency compared to pwm controllers, especially under variable sunlight.
How many watts can the rover 40a charge controller handle?
It accepts solar arrays with voltages up to 100v and handles up to 520w (12v battery system) or 1040w (24v system). it is especially efficient when solar voltage is significantly higher than battery voltage.
What is a solar charge controller and what is mppt?
A charge controller regulates solar power before it reaches the battery. mppt (maximum power point tracking) optimizes the voltage and current from solar panels to deliver the highest possible charge efficiency, especially in low light.
What does 40a on an mppt charge controller mean?
40a is the maximum charging current the controller can deliver to the battery.
What are the advantages of renogy mppt technology again?
Renogy mppt controllers track rapid voltage changes due to temperature or sunlight, offer wider pv voltage ranges, and significantly outperform pwm controllers by maximizing solar harvest.

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