Installed a 400w system in my Travel Trailer:. Two 200w Mono panels. 40A Rover MPPT Controller w/BT. 1,000 watt Renogy Pure Sine Inverter. Victron BMV-712 Battery MonitorEverything worked first time! The Bluetooth module with the Rover is very nice and really necessary since the front panel controls are cumbersome and the display only shows one value at a time. I used my iPhone 7+ and the display was stable. The Rover seems to do a good job in converting the 42v from the panels to the batteries.Cons:The history screen in the app is cumulative; There is no way to pull detail data. There might be a way using the USB interface with a PC, but the PC app hasn't been updated since Windows-7 and I don't want to try it. The other minor quibble is the battery ... MoreInstalled a 400w system in my Travel Trailer:. Two 200w Mono panels. 40A Rover MPPT Controller w/BT. 1,000 watt Renogy Pure Sine Inverter. Victron BMV-712 Battery MonitorEverything worked first time! The Bluetooth module with the Rover is very nice and really necessary since the front panel controls are cumbersome and the display only shows one value at a time. I used my iPhone 7+ and the display was stable. The Rover seems to do a good job in converting the 42v from the panels to the batteries.Cons:The history screen in the app is cumulative; There is no way to pull detail data. There might be a way using the USB interface with a PC, but the PC app hasn't been updated since Windows-7 and I don't want to try it. The other minor quibble is the battery temperature is in Celsius with no way display Fahrenheit.Still, overall I'm happy.

Controller good, bluetooth and app terrible

The controller was very easy to install and set up for my configuration. Yeah, the connections could be better, but overall, good quality controller for the price. The pairing of the bluetooth using the DC Home app, well you will be questioning if they did any real life testing with it for those that are using it in an RV. I mean you are more than likely to be in a place that has no internet, but yet the first thing the app requires is your location. Hello, I am in a place that has no service. It give s you several errors if you have no service. Also, I tried connecting via bluetooth on Android and IOS, there is a difference, it tends to connect more often with IOS, than Android. Not saying it always connects each time, but more often. Android success is about 1 out ... MoreThe controller was very easy to install and set up for my configuration. Yeah, the connections could be better, but overall, good quality controller for the price. The pairing of the bluetooth using the DC Home app, well you will be questioning if they did any real life testing with it for those that are using it in an RV. I mean you are more than likely to be in a place that has no internet, but yet the first thing the app requires is your location. Hello, I am in a place that has no service. It give s you several errors if you have no service. Also, I tried connecting via bluetooth on Android and IOS, there is a difference, it tends to connect more often with IOS, than Android. Not saying it always connects each time, but more often. Android success is about 1 out of 8 times, and IOS is about 1 out of 5 times. I tried this within 5 feet of the bluetooth module and about 12 feet. Same results. I have a Victron battery monitor and it has always connected via bluetooth each time I opened their app. Improve the pairing and the app and you will have a great product.

Does a good job on our RV

We've had the 400W kit on our RV for a year now. We run the furnace at night from wet cells with about 200 AH capacity. Every morning they have been fully recharged within a few hours, depending on overnight outside temperature and hours of furnace use. Worst case, the batteries have been fully recharged within six, perhaps seven hours of first light.We don't use the bluetooth, and the battery temp wires are too short to reach (NB Renogy !) Another suggestion, Renogy, it to make the cable entry a little "prettier." Perhaps rear cable entry, or a nice cover for the wires?

Good charger, just like the one this replaced...

I bought this to replace my Renogy 20 amp MPPT charger. I upgraded my solar array to provide more power than it could accomodate, and this was the logical choice. I was happy with the 20 AMP, and the 40 AMP- while a little larger, fits the bill and works well. I only rate 4 stars because there are other brands that equip their models with bluetooth internally, and that these same other brands process MPPT a little faster... does either mean much to most? Probably not. Does the latter mean more efficiency? I don't know. But, I do know that for my purposes, this 40 AMP unit does well and fits the bill for my uses.

I purchased this Renogy charge controller due to its nice feature set, low cost, and included blu...

I purchased this Renogy charge controller due to its nice feature set, low cost, and included bluetooth interface. I ended up returning it for two reasons. First, the app is terrible. The user interface is awkward, it crashes often, and the history is often forgotten, with days of it missing. If you are looking for a solar charge controller with bluetooth capability, you will be disappointed. The second reason was the performance of the charge controller itself. The slightest bit of shade on the panels caused the Renogy controller to stop charging. I replace it with a Victron Energy charge controller. The app is top notch, and even in full shade it produces some power. It cost me more, but it was worth it.

Nice Charge controller

This was an upgrade from my 20 amp MPPT controller from Renogy. I expsnded the solar panel count and exceeded the old controller maximum. This is a very nice controller. I particularly like the BT-1 bluetooth monitor capability for cell phone monitoring.Unfortunately the BT-1 when accessed by my 7 plus iphone is very flaky. It has trouble connecting most times. When it does connect, the connection is lost shortly after. So its somewhat agrevating to use. I contacted Renogy and was assured an update to the app was in the works and will be available in a month to fix this issue for older phones. I look forward to that.I have a full Renogy system and like the high quality products and attentive service.

OK charge controller, Avoid blue tooth module

Charge controller does the work. No complaints.Blue tooth module is a waste of money in my opinion primarily because the app is junk: it requires you to create an account to sign into... Really?! It's s blue tooth device. It requires you to allow it to access your precise location to function... Really?! And it does not stay connected, so you have to reconnect every time you open the app -- find the device, etc. What is up Renogy? I have a Chinese made fridge in the van with a blue tooth app and it works great: Automatically connects when the app opens. No need for location, or log in, or account or anything like that. So what gives Renogy? Are we all just another opportunity to sell another ads to? To tell investors that you get all that users data? When will ... MoreCharge controller does the work. No complaints.Blue tooth module is a waste of money in my opinion primarily because the app is junk: it requires you to create an account to sign into... Really?! It's s blue tooth device. It requires you to allow it to access your precise location to function... Really?! And it does not stay connected, so you have to reconnect every time you open the app -- find the device, etc. What is up Renogy? I have a Chinese made fridge in the van with a blue tooth app and it works great: Automatically connects when the app opens. No need for location, or log in, or account or anything like that. So what gives Renogy? Are we all just another opportunity to sell another ads to? To tell investors that you get all that users data? When will your customers and users become your priority. You are a tech company, make sure your phones work too

Probably the best budget MPPT

Full disclosure, It's not straightforward being a Renogy consumer. I've not found any available information to allow a buyer to choose wisely on any brand of charge controller. The first big hurdle is going to be PV input amperage. This is seemingly never disclosed prior to ownership. No worries here. just hook up 4 Renogy 100 watt panels in series and you're golden. Why not 5 since it's rated at 520 watts for a 12 volt system? Because your Voltage will cause the controller to stop working. The work-around: hook 2 100 watt Renogy solar panels in series with a 370 watt or similar panel. Ensure that the negative of the panels is from the Renogy and that the positive is from the larger panel. The goal is to stay at or under 520 watts and 100 volts from the series while ... MoreFull disclosure, It's not straightforward being a Renogy consumer. I've not found any available information to allow a buyer to choose wisely on any brand of charge controller. The first big hurdle is going to be PV input amperage. This is seemingly never disclosed prior to ownership. No worries here. just hook up 4 Renogy 100 watt panels in series and you're golden. Why not 5 since it's rated at 520 watts for a 12 volt system? Because your Voltage will cause the controller to stop working. The work-around: hook 2 100 watt Renogy solar panels in series with a 370 watt or similar panel. Ensure that the negative of the panels is from the Renogy and that the positive is from the larger panel. The goal is to stay at or under 520 watts and 100 volts from the series while allowing the Renogy panels to dictate the amperage. Buy this Charge controller if you want to generate as much as 520 watts per hour at peak radiance for a 12 volt system or 1040 watts for per hour for a 24 volt system. You won't go wrong with this if you follow my lead. I have a theoretical max PV output of 502 watts per hour, which is about 64 more than the theoretical max with 4 of Renogy's very good 100 watt compact monocrystaline panels. I routinely dip to 12.2 volts and with 8, 122Ah SLA Deep cycle batteries, I see daily peak voltages of between 13.5 and 14.9. By the time I get home in the wee hours, I usually still have 12.5 volts.

Works fine for recharging after night power use

I have used it for only 1 week. I have a use that is not typical. Living in the southwest we run an Evap Cooler during drydock in National forest when temps reach 85 to 110. The 84 watt Evap Cooler keeps the RV cool. So on low speed we need 50 to 70 amp hours a day. We are still tweeking "User" settings to keep the Rover from dropping down the amps during the day and not fully charging the AGM batteries. The day ends with batteries at 12.5 volts with 500 watts of ground mount solar manually tracking the sun.

warranty voided after heat failure.

I purchased the Renogy brand controller thinking that a larger heat sink than a Victron would equal a cooler running unit, I was wrong. It did perform well, but always seemed warm to the touch. There was heat damage to the Battery connection after 14 months of service and when reported, Renogy the denied the 2 year warranty.