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KimB.
Reviewed in the United States on February 15, 2025
This solar charge controller is my go-to controller for my solar generator builds. I use a 12 volt system and these are Bluetooth ready and connectivity is good. These controllers all well built, small in size and the connections are easy to locate. I have purchased at least six of these for my solar generators that I have built and I have had no issues with installation and connectivity. Anyone that is building a solar generator will be happy with this product because the app software provides information in regards to watt hours are being used and All battery functions are listed on the app. There are no negatives in my opinion with the solar charge controller. High quality controller.
subgolem
Reviewed in Italy on September 10, 2024
Provato quasi tutte le funzioni del Victron e devo dire che funziona tutto alla perfezione.Il collegamento wifi e l'app sono semplicissime da utilizzare e abbastanza complete anche in termini di statistiche. Il prodotto sembra robusto fatto di buoni materiali. La morsettiera e' vermente fatta bene e ben dimensionata per il mio 15A.Le impostazioni del caricatore, tutte impostabili con app in wifi, sono veramete elementari, il voltaggio della batteria la riconosce automaticamente e per ciascuna tipologia e' tutto preimpostato ma se si vuole si possono cambiare i parametri.E' un MPPT al 100%, infatti aggiusta la potenza assorbita in funziona di quella massima disponibile. La corrente erogata a carico da servire (load + batteria) e' maggiore di quella in ingresso da FV ed a tensione inferiore (12 o 24v) come deve essere per un Buck converter.La gestione del carico funziona bene sia in termini di programmazione sia in termini di gestione della potenza. Provato varie situazioni (ad esempio Potenza FV > e
Charles Bechtel
Reviewed in the United States on August 18, 2024
I bought and installed this on a small camp trailer. What sold me was the Victron reputation, integrated Bluetooth connectivity, and programmability.Installation was easy. I used marine grade 10AWG wiring and it was a very tight fit. Anything less finely stranded than marine grade, larger AWG or with crimped-on ferrules won't fit. I'll note that I initially got the polarity of the solar inputs backwards and it didn't damage the device (just made it hot like the manual says it will and the panel voltage in the app looked wonky).The phone app that you can use to adjust controller settings is logical and fairly intuitive. It connected to my phone seamlessly. There is also a means to jumper the controller for some fairly limited battery charge settings without the app. You need to remove the jumper if you plan to utilize programming via the app.My one issue is a fairly large one, but it's really my fault for not reading the specs real closely. The controller won't start charging until the panel voltage is 5V higher than the battery voltage. After the initial 5V offset it will continue to charge until the offset drops to 1V. For me this is a dealbreaker because I have a single 210W panel (generally running around 17.5V in direct sunlight) and a LiFePo4 battery (nominally 13.6V) so the panel voltage will only ever be 5V higher than the battery when the battery is near fully depleted. This means the controller will not normally enter charging mode. Bummer! So I had to swap out this Victron unit with a charge controller with less features I really liked in this Victron.But I do like the Victron controller and plan to use it in another upcoming project where the panel voltages will be much higher.
rupin
Reviewed in Japan on March 30, 2024
動作と通信機能は優秀だと思います。Bluetoothの国内認証があればホシ５だと思います。小型チャージコントローラーの国内メーカーが皆無なのに国内のBluetooth認証が無いのはソーラーシステム制度としての問題は大きい。ソフトのバージョンアップも多くフォローも優秀
Stephen Ledford
Reviewed in the United States on November 20, 2024
I have a gate opener in an area that doesn't have electric grid access but is too shady for solar. I have a 100w solar panel in an area that gets afternoon sun about 40 feet away, but have been frustrated by poor charging performance.I decided to replace my MPPT charge controller with the Victron 75/15. This controller is well built and seems to be squeezing every possible amp out of the PV input. It was also easy to install. Just connect to the battery, connect to the solar panel source and it starts working.I thought Bluetooth would be a fun gimmick, but it's been a game changer. My previous controller provided limited information - battery-side voltage and amps. I could tell if it was charging but not much else. With Bluetooth and the Victron app I can see both battery and PV side voltage & amps, charging watts, and charging state. If the battery is not being charged, the app says why (e.g. PV voltage too low).Because the app is connected wirelessly, I don't have to be near the controller or battery to troubleshoot problems. I was able to adjust the solar panel while seeing the impact on voltage and amps in real time, so I could optimize power production - no running back and forth with an ammeter and wrench hoping to get it just right.
Hugh Phillips
Reviewed in the United States on October 6, 2024
This controller is easily 2-3 times as expensive as simple PWM controllers for the same power level but well worth it. The housing is solidly constructed and the built-in Bluetooth connects easily to the free controller app which is very helpful to see the charge rate from the attached solar panel and the discharge rate from the battery. The only hiccup I found was that a 10ga wire from the solar panel encased in a bootlace ferrule was too big to fit into the designated wiring port on the controller; if the stranded wire is used without the ferrule it fits fine.
Raphaël
Reviewed in France on October 14, 2024
Voici mon avis sur ce régulateur solaire MPPT utilisé pour une petite station d'énergie domestique :+ Fait bien le travail demandé+ Appli bluetooth via le Smartsolar très complète et utile (statistiques, graphiques, puissance instantanée...)+ Léger et compact+ Pas de bruit, pas de ventilateur+ Connexion très simple (bornes panneau solaire / batterie / consommateurs)+ Assemblage sérieux+ Matériaux de qualité, ne fait pas cheap- Pas d'écran, obligé de passer par me bluetooth pour avoir des informations.- Restriction sur la puissance des panneaux (malgré qu'on rentre déjà dans le 75v/15A maxi) selon la notice.- Un poil cherDonc jen suis satisfait, c'est un produit de qualité mais qui ne pourra pas s'adapter sur un système trop puissant.
Alexandre juignet
Reviewed in the United Arab Emirates on February 24, 2021
Very smart MPPT controller
Adl
Reviewed in Mexico on November 11, 2020
Todavía no lo he instalado pero ya descargue la app, se ve de estructura muy fuerte.
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