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RockyTech
Reviewed in the United States on February 23, 2025
I needed to light a tree in less-than-ideal solar conditions using solar power only (charging a 12V battery). I first tried a 12V solar panel with a PWM controller, but it could not keep the battery charged. I found I needed a more sophisticated MPPT controller, so I purchased this Victron Energy SmartSolar MPPT 75V, 10 amp Solar Charge Controller to replace the PWM controller. It worked with the 12V panel OK, but still not good enough to keep the battery voltage in the "safe" voltage drain zone in the poor and varying sun conditions I had (Winter weather, often in low-angle tree shadow).The SmartSolar MPPT controller documentation recommended a 24V solar panel for a 12V battery. I changed to a 24V panel, and it worked great! Using daily measurements from the MPPT controller (via the Bluetooth VictronConnect app), I found that the 24V panel's voltage kept the PV input voltage often at over 20V even on a cloudy day and/or in the shade of trees. The SmartSolar controller converted the extra voltage to the charging power I needed. Keeps my battery charged at above-minimum voltages even on snowy days! Just what I was hoping for! See my chart for my testing results.
jchatham
Reviewed in the United States on February 18, 2025
I love the features. Being able to monitor the charger from my house is great.
benny
Reviewed in Spain on January 31, 2025
Tres bien
Richard Chesher
Reviewed in the United States on September 15, 2024
It works perfectly with my 175 watt Victron Panel. The free phone app is cool, too. The controller keeps the batteries right at 13.6 Volts - sometimes even going to 14.2 Volts. The marine FB group recommends this controller and they got it right. 😃
Ralf Pilz
Reviewed in Germany on August 12, 2024
Gute verständliche app, nach 2 Update sofort in Funktion, sehr gute Menüführung, viel besser als die billigen Chinaprodukte. Absolut empfehlenswert!
Jd.L
Reviewed in France on February 12, 2024
Produit testé avec un panneau solaire de 100 w fonctionne bien et l application permet de visualiser sur son smart phone Les taux d'entrées et de sorties et donc de controller Les niveaux de charge de la battery. Très satisfaisant . Colis reçu dans son emballage en respectant Les délais.
Phil Andrews
Reviewed in Canada on October 14, 2024
Easy to set up, easy to use app.Easy to monitor power output.Higher maximum output than my old controller.Everything works as it should... It's a victron.
W. Mayhew
Reviewed in the United States on April 5, 2024
This Victron charge controller is a good choice for small projects such as keeping a vehicle or sump pump battery charged from a 25 Watt (or larger) solar panel. Ability to tailor parameters and monitor performance with a Bluetooth connection is a plus. The unit is dust and moisture resistant when mounted with the terminals facing down. As expected the MPPT buck/boost circuitry assures your battery gets the most possible charge given variable solar exposure. The Victron is more expensive than some, but is brand offers better than average quality and features. It makes sense to invest in a good quality controller to get maximum use and lifespan from your expensive batteries.
Bir dost
Reviewed in Turkey on October 28, 2023
Vergi dahil olup olmadığına dikkat edin, bir de smartsolar mı bluesolar mı alıyorsunuz ona dikkat edin. Bluetooth üzerinden ayar yapmak için smartsolar modeli gerekli.
Andy G.
Reviewed in the United States on August 11, 2022
I have two of these connected to lead-acid deep-cycle batteries. One drives a remote bird-house camera and one powers a pump in a bird bath. They were easy to set up and the instructions are clear. They have enormous programmability. The phone app is great for checking on the battery performance, solar power level, load, etc.There are a couple of features I wish it had. One is more pre-programmed battery types. They offer a few basic battery types and a custom program of gazillions of charging parameters for experts. I'm an electrical engineer and could get out the data sheet for my specific battery and program all the parameters, but what a hassle, and what if I make a mistake? It would be nice to have a few more standard lead-acid battery types in the menu.The unit has a streetlight function for turning on a light at night, but I want a general purpose timer that turns on the load in the day. That would be a small amount of software for Victron to add to the unit and the application. I want our birdbath to run only during the day. I could have used a smaller solar panel and smaller battery if this unit had a timer feature.This unit keeps a history of solar power generated and load power consumed that goes back at least a few weeks. I haven't looked to see how far back it goes, but it's interesting and useful to see how the panels are doing, or if the load is drawing unexpected power. It was also useful to see if my calculations were correct.
Steve
Reviewed in the United States on April 2, 2022
I am going to mount this Victron 75/10 Solar Charge Controller on the firewall of my boat. I have a 50 watt solar panel I will be using to keep my battery topped off while in storage.The app was easy to download and after 2 minutes it was done updating itself. The charge controller only took a few minutes to install. In my testing of this solar charge controller over the last two weeks, it has worked better then expected. I am very happy with it and will only be buying Victron in the future.I am using the "streetlight" function and the "load" connection to run a 10 watt led light bulb while the boat is in storage. I keep the boat on the side of my house and there is no light there. Now, using the boat's battery, the light comes on at night and goes off at sunrise. It only drains the battery a little during the night. Then, the next day, the solar panel charges the battery up to full and maintains it in float mode perfectly.By the way, I'm using the QILIPSU Hinged Cover Junction Box, - 150 x 150 x 90mm/5.9" x 5.9" x 3.5"(L*W*H) size box. The box seems like it was custom built to fit my Victron 75/10 Solar Charge Controller. It is watertight, made of thick plastic and has stainless steel clasps. Price was very good for the quality.
Repro63
Reviewed in the United States on January 12, 2021
I have three Victron Energy solar charge controllers of different sizes. I love them all and personally think they are the best. They perform flawlessly and are extremely efficient. The controllers all have the same configuration interface per Bluetooth with the Victron Energy App on iPhone/Android.I can set up fully customized charging profiles easily and can see the performance at a glance. The controller is small and robust, weather proof and is a great value for its performance and price. I will say that if you attempt to get any support from Victron Energy, forget it. You are out of luck and have to go to the dealers for help. Please check who the dealer is before you buy so you have someplace to turn to for support if needed.Because of the support aspect, I give this controller 4 stars. I wish there was a better support system for customers.
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