Victron Energy BlueSolar MPPT Solar Charge Controller 75V, 10A, 12/24V

This is an excellent Solar Charge Controller, but to configure it, you need to also buy the separate Bluetooth adapter. Once I had both in hand, I set them up to charge my RV's house battery with an older pair of 12-volt solar panels, wired in parallel. Using the Victron app, I discovered the panel's output voltage was not high enough to charge the batteries, even though the controller's "Bulk" LED was lit on the controller (the controller requires the charging source voltage exceed the battery voltage by at least 5 volts, and in my test case both voltages were about 12.5 volts). After re-wiring the panels in series, I was able to see actual charging happening as the panel voltage exceeded the battery voltage by more than the threshold required (the displayed panel voltage was in excess of 20 volts). After a few hours, I observed the controller's LEDs transitioning from Bulk to Absorption to Float. It was very satisfying seeing the MPPT function at work as the input voltage and amperage were adjusted to supply optimum charge voltage and current to the battery. There is some confusion as to whether this controller has built-in Bluetooth and in fact it does not. Having to buy an additional Biuetooth adapter is annoying to some who are familiar with Victron's other range of devices that have it built in (and I was one of the annoyed people). The aggravation is intensified once it's understood that only a couple of parameters can be controlled except using Bluetooth and the Victon app. Some of the competition also sells their Bluetooth dongles as an extra cost device, for example, the Renogy Rover Charge Controller (I know because I own one). In the case of the Rover, all functions can be configured on the unit using the buttons and seeing what is happening on the built-in LCD display. Configuring by way of the buttons is a bit tedious, though. Having the Bluetooth not built in is a security advantage in that once configuration is complete and the Bluetooth dongle is removed, no unauthorized changes can be make to the setup. Also, the dongle can be used for any number of similar devices. The unit is compact in size and has no user interface, except through the app. It seems well built with an attractive Victron-specific industrial design. I do question its lack of a heat sink on its backside; time will tell if that's a liability. By skipping that and removing the Bluetooth function from the controller, Victron is able to sell this device at a reasonable price. All in all, I'm very happy with my purchase.

has held up much better than the cheaper versions which tend to burn up or melt and fail after a year or so. Victron last much longer and my favorite part is no RFI or radio noise, perfect for those of us interested in ham radio + solar.

This is my first Victron charge controller after several Renology controllers. In comparison, the renology units give you the same features for half the cost, so I'm rolling the dice that this unit will provide twice or more of the quality over the Renology offerings. Renology charge controllers seem to be hit-and-miss in their lifespan. Out of the box this unit works fine. The MPPT does work and provided a 15-20% increase in output over the PWM controller in use previously. Note that in a 12V system, it doesn't wake up until PV input reaches 17V, which may be important to you. There is very little configuration you can do with this unit out of the box. If you want to adjust set points you've got to buy a control module, either an interface to phone/PC or the little LCD panel, and you've got to give up three-four cups of starbucks for the interface cable, which does not come with the controller (or the LCD controls I ordered separately). So the cost adds up. The MPPT doesn't seem as "fast" as the renology units, but again, the real world gains as a MPPT are there. There are some intelligent features unique to Victron, such as reducing automated load times if needed to aid a battery in returning to full capacity. The charge profile is also good to my eye, with multi-stage charging and available (if you buy the external interface) equalization strategy. Given that the quality seems superior to most of the other offerings in this category, I've gone with this unit and will likely do so again should another need for a static install that "just needs to work." Otoh, if I end up with the shed in the back yard with a small panel to keep the riding mower battery topped up over during the winter, i'd likely go with one of the many cheaper pwm units.

My old controller quit working and I found this one, thinking it was identical to the other one. Install it and checked for function, all fine, solar working like it used to. Tried bluetooth connection, like my old one and got nothing. That's when I found out that this particular one doesn't have that feature. Old one did. Oh well, it's Installed and working so I'm going to leave it be. Look carefully to make sure the one you want has the bluetooth connectivity feature if that's what you're looking for. Otherwise, just use this one, Victron stuff is top notch.

This is a solid charge controller—I now own three of them. I use one in an off-grid camper with solar panels and another to maintain battery levels on an off-grid generator. The unit is simple to wire, with clear LED indicators showing charging status. It feels well-built and durable, with no issues so far. Great value for basic off-grid power setups.

Finally, a charge controller replacementfor an RV with Bluetooth connectivity. I have probably had at least three charge controllers that have failed in my tent trailer over the last 23 years. This unit is way more advanced and having Bluetooth connectivity to check the voltage and current on the system and solar panel operaability when the tent trailer is closed is great.

If you search online there are several ways to connect these victron devices to home assistant using a cheap esp device. Once your system is big enough to need a cervo GX their mppt control seems great. For now since this is my only device this working well, able to see so much historical data.

SEEMS TO WORK GOOD, BUT REQUIRES THE USB / BLUETOOTH ADAPTER IN ORDER TO SET VOLTAGES FOR SPECIFIC BATTERIES. THE JUMPER ON THE DEVICE DOES ALLOW FOR SOME VOLTAGE/AMPERAGE CHARGE SETTING CHANGES BUT IT IS NOT TRULY "AUTOMATIC"

Funciona bem sem falhar uma única vez em 1 ano.

MPPT Ladergler ohne schnick schnack aber Funktion ist gegeben.

Brilliant.

Ho acquistato il regolatore per poter usare un pannello solare amorfo che ha una tensione di uscita che arriva a 70 V, quindi incompatibile con i comuni regolatori PWM economici. Rispetto a questi ultimi è all'apparenza molto più solido (pesa almeno il doppio) e, si spera, anche più affidabile e duraturo. Il collegamento è semplice e standard per questo tipo di dispositivi, le istruzioni sono chiare e ben scritte, anche se non in italiano. Consigliato se si vogliono usare pannelli solari amorfi, visto che da varie ricerche in rete è l'unico modello che ho trovato che li supporta. PRO: Molto solido all'apparenza, supporta una tensione in ingresso fino a 75 V. CONTRO: Istruzioni in 6 lingue, ma non in italiano.

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