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Renogy Solar Charge Controller Rover 40A 12V24V Auto Parameter DC Input MPPT Charge Controllers for Solar Panels Adjustable LCD for Gel Sealed Flooded Lithium Battery

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Arrives Monday, Oct 19
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Set name: 100V 40A


Features

  • Superior MPPT Technology: Renogy MPPT Solar Charge Controller achieves a 98% conversion rate&99% tracking efficiency, ensuring maximum solar panel charging even in low-light or partial shade. Advanced MPPT algorithm rapidly adapts to changing conditions.
  • All-Weather Solar Charge Controller: Renogy charge controller operates from-40F to 149F, with builtin lowtemp protection and appadjustable cutoff. Supports Gel, AGM, Flooded&Lithium batteries ideal for offgrid solar systems in extreme climates.
  • Full Protection Solar Controller: with rust/corrosionresistant build and complete electrical safeguardsreverse polarity, overcharge, over discharge, overload, shortcircuit, and reverse current. Ensures durable, safe offgrid power for years.
  • Renogy Charge Controller: Smart algorithm with 12V/24V autodetection adapts to battery status, while 4stage mppt solar charging (Bulk, Absorption, Float, Equalization) for leadacid and 2stage for lithium, plus autoreactivation, ensures optimal health
  • Connectivity: Renogy DC Home App lets you connect with your solar charge controller for solar panels to gain insight into realtime data and 30day history. Easily adjust settings,update firmware, and set alarms via RS485 with BT-2 (sold separately).

Description

Since 2010, Renogy has been on a mission to change the way the world uses energy. We've delivered 5 million solar solutions worldwide, helping countless individuals and families embrace renewable energy. Our range spans flexible panels for seamless integration, rugged rigid panels for permanent setups, and portable options for reliable power on the go. Constantly innovating, we aim to empower 50 million people with energy independence by 2030. Renogy started as a small project by students at Louisiana State University. With the help and support of the Louisiana Business and Technology Center, Renogy has grown into a flourishing company. Renogy intends to be a driving force behind the push for sustainable living and energy independence. We aim to provide all the components necessary for users to build off-grid solar power systems at affordable prices. The high-quality casing materials and the addition of a rubber strip make this charge controller more effective in preventing rust, corrosion, and contamination while safeguarding wiring for optimal functionality. Internally, the controller boasts multiple protection mechanisms, ensuring the safety and longevity of your system. Rover charge controller stands out with its rapid heat dissipation capabilities, ensuring efficient performance even in the most demanding environments. With the ability to quickly dissipate heat, this controller maintains peak performance, safeguarding your batteries and system components. Experience unparalleled charging efficiency with our MPPT charge controller. By harnessing every bit of sunlight, this controller ensures optimal charging for your batteries. In just 2.4 hours, it can fully charge a 12V 100Ah battery, making it the perfect companion for your off-grid adventures. AGM, Gel, Flood, Li, User What is the max wattage input on the Rover 40? The Renogy Rover 40A MPPT Solar Charge Controller can accept input of up to 520W for a 12V system, and up to 1040W for a 24V system. What are the advantages of Renogy MPPT technology? Renogy Rover MPPT charge controller uses advanced MPPT to dynamically track max power point as sunlight/temp vary, delivering superior efficiency over PWM. Supports 12/24V off-grid and high-voltage panels up to 100V. How many watts can Renogy Rover 40 amp charge controller handle? Rover MPPT controller works with 12/24V off-grid and high-voltage panels up to 100V. Max input: 520W (12V) or 1040W (24V). Boosts efficiency significantly when panel voltage > battery voltage. Does the Rover 40A MPPT charge controller have a built-in 40A fuse for the rated 40A load output? No. Please always add a fuse between the charge controller and batteries. To determine the fuse size, you can match it to the amperage rating of the charge controller. If you have one of our 40A charge controllers, we recommend using a 40A ANL fuse. In what order do I connect my system? An off-grid solar system includes panels, charge controller, batteries,inverter, Bluetooth module, and wiring.Connect the battery to the controller first, then attach the solar panels. This sequence ensures proper system startup and prevents damage. MPPT 40A Solar Controller MPPT 20A Solar Controller MPPT 30A Solar Controller MPPT 60A Solar Controller MPPT 60A Solar Controller MPPT100A Solar Controller BT-2 Bluetooth Module

Color: Black


Brand: Renogy


Voltage: 12 volts_of_direct_current


Product Dimensions: 6.81"L x 2.85"W x 9.37"H


Material: Aluminum


Brand Name: Renogy


UPC: 810009719328 816360024651


Warranty Description: 3-year material and workmanship warranty


Unit Count: 1 Count


Global Trade Identification Number: 51


Manufacturer: Renogy


Number of Items: 1


Included Components: 1*40A MPPT Charge Controller, 1*Remote Temperature Sensor, 4*Mounting Brackets


Model: RNG-CTRL-RVR40


Part Number: RNG-CTRL-RVR40-BT-FBA


Voltage: 12 volts_of_direct_current


Display Type: LCD


Color: Black


Material Type: Aluminum


Item Dimensions L x W x H: 6.81"L x 2.85"W x 9.37"H


Item Weight: 1.1 kg


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Oct 19

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Well priced Controller - a definite must for small-scale/camping solar applications
Set name: 100V 40A
Great replacement for the PWM controller that came with our Renogy Solar kit. Initially we had the Renogy PWM 30 AMP controller and it was an entry level controller in all respects. The previous controller was limited to a 12 volt battery source had 2 lead pairs, one for solar panel connection and the other for the battery side connection. Any load connected to the battery array had to be connected directly to the batteries and was not governed by the controller. Also you had to rely on LED indicator lights To determine when the controller was in charge mode versus float mode. Adequate for an entry level controller but not great. Now lets talk about this controller. First, this controller is capable of 12 or 24 volt wiring installations. 24 volt DC is superior to 12 volt DC because it cuts the Amperage draw in half on the DC end. A 1.2 Amp TV running on AC/120 volts will require 12 Amps on the 12v-DC end to meet the same 140 Watt requirement. A 24 volt DC setup will reduce the amperage requirement down to 6 amps on DC, which means your DC wiring gauge doesn’t have to be as robust when supporting a 24 volt application. Secondly, the LCD display is great and is a must for a solar charge controller. It’s not enough to know that the solar cells are charging the battery, you may also want to know how “fast” they are charging the battery and whether or not the panels should be angled to reach optimized charge rate. The LCD screen also provides a percentage estimate of battery remaining in addition to the amps that are being supplied by the panels, along with a running amp-hour accumulation of charge provided the panels over a period of time and current battery voltage. Third, it has a pair of positive/negative load leads that permit connecting appliance loads up to 20 Amps DC. It’s not necessary to use the load leads for connecting the devices that run off the battery, but the added advantage of using them is that your battery array is protected from over-consumption, as the leads shut off usage on the battery once it reaches a certain level of discharge in order to protect the battery array. I’ve only used the new controller once, but the instructions were easy to follow and I made a laminated copy of the LED and Menu options as a quick reference guide that will go along with the kit on camping trips. Currently the array powers my 400 Watt (4x100W) kit and 2 VMAX 125ah batteries wired in parallel, but I am seriously thinking of doubling the panel array and adding 2 more batteries in a series/parallel configuration to take advantage of the 24 volt capabilities of this controller. Quick Note on the 100 Watt Renogy panels: When I measured the charge current of the 4 x 100 watt panels connected in Parallel I noted an 18.5 amp charge rate on the new controller or ~4.6 amps per panel. That seemed low to me given that 400 watts/12v is around 33.3 amps, or 8.33 amps per panel. In discussions with Renogy support I found out that the 100 Watts is calculated at 17.9 volts * 5.7 amps, where they use the maximum charge voltage by each of the panels as basis for the calculation. Just something to be aware of when you are reading sub-5 amps per panel charge rate on your controller. This new controller works as advertised, was relatively inexpensive for what it does, and I may update the review again in 12 months after running it a few more times for a consistency check. ... show more
Reviewed in the United States on July 14, 2019 by GregH

  • Plug it in and simple setup.
Set name: 100V 30A
Plug and play, easy set up and working perfectly
Reviewed in the United States on September 3, 2026 by Robert K. Mallory

  • Excellent MPPT Upgrade, Easy Setup, and Better Low-Light Performance
Set name: 150V 60A
I bought this Renogy 60A MPPT charge controller on April 4, 2025, and after 11 months of use I’m very happy with it. It was a great upgrade from my old Tristar 45 PWM controller and has been noticeably more efficient. My old PWM controller struggled early in the morning, near sunset, and during cloudy weather. This Renogy starts charging much sooner and handles lower-light conditions far better. It keeps my battery voltage right where it should be. I bought the 60A model even though it was more than I needed at the time because I wanted room to expand my solar setup later. No regrets there. Right now I’m using it with a 140Ah 12V LiFePO4 battery and a 350W solar panel. Installation and setup were very easy, and the menus are clear and simple to use. I haven’t used every feature yet, like data logging, but based on my experience so far, this has been an excellent purchase. ... show more
Reviewed in the United States on March 7, 2026 by George L.

  • have two of them
Set name: 100V 40A
update Apr 16,2019 both had been working well up til today... one of them was not charging.. checked that the positive battery terminal had melted part of the plastic around it. It has been pretty sunny this week, hitting 35amps for a few hours every day... Other Renogy doing well and operating under same conditions. Thinking the terminal was making poor contact because you can't actually see what you're screwing, it's too tight for 8awg. What I did was remove melted plastic, now bigger awg cable fits, screwed tight, we'll see what happens. For now back to working order. I've been using these for a couple of months, at first started with only one. They seem to operate very well, charge the batteries, put out as much power as they can in tandem when load is high, easy to set up, screws sturdy enough for cables. System is 12v, and have seen the things run up to 500W. They're rated at 520W, so I'm happy... Sun isn't at its peak yet, so I expect to hit their max soon. They seem to work well in tandem, depending on how low (Vdc) the battery bank is, as I've figured...If the voltage is above 75%, or higher, one of them is putting out about 20Adc, and the other is around 5Adc. If Vdc lower, like around 60% or even below, then both are putting out the max they can take from the panels, so I've seen them both around 20Adc mid morning. The app is Ok, it is slow to my liking and would like to see an graph of the actual battery voltage, and I'm not convinced the app gives the current Vdc of the battery bank reliably, same for the chargers' LCD display. My volt meter readout is off by about .15Vdc with respect to the Renogy's. ... show more
Reviewed in the United States on February 7, 2019 by Absolut

  • Great product
Set name: 100V 40A
Renogy products are super awesome and easy to setup and use. Renogy also has stellar customer service, I highly recommend!!!
Reviewed in the United States on September 3, 2026 by Shay

  • Works Great!
Set name: 100V 40A
I have it connected to 2 Renogy 200 Watt Shadowflex Panels on top of my Van. Never had a problem with it. Most of the time it is in float at about 13.7v. I would buy it again.
Reviewed in the United States on September 1, 2026 by JBS

  • Unreliable Controller. Don't do it.
Set name: 100V 20A
Unreliable with no warning. I have had this since March and it's just stopped working, at least 4 times, with no warning. You have to unplug everything to reset it and then it will work...for a while. I don't like the way the buttons work (not intuitive) so I have to dig out the manual every time...well not anymore, I got so used to it having to be checked and restarted. I say it just quit charging and let my battery run down 4 times but I'd really guess it's twice that because I caught it several other times and reset it before it just allowed the battery to go to a near unchargeable situation. I have it hooked to a Ghost Controls Gate with a 100Ah LiFePO4 battery and a Renogy 100W panel. I upgraded the panel twice thinking that might be the issue. It's not. It's this controller. DO NOT trust it. Ever. I've moved to a Victron SmartSolar 75/15 MPPT. Just hooking it up so we'll see how it does. ... show more
Reviewed in the United States on September 3, 2026 by Tom

  • Definitely high end equipment:-)
Set name: 100V 20A
Upgraded to a larger one when I realized I wanted a bigger system. Have a smaller off grid project I will use this one on. As far as I’m concerned Renogy takes no prisoners.
Reviewed in the United States on July 29, 2026 by Kindle Customer

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