The Solarflow 2400 AC Zendure has been available since May in this category specifically designed for existing photovoltaic installations. It is a plug-and-play ac-mately hybrid inverter, connected to Zendure AB3000X batteries, which makes it possible to store and return solar energy without having to reconfigure the electrical installation. The case measures only 448 × 303.6 × 88 mm and can be installed or easily attached. Its modular design makes it possible to associate it with one or more external batteries LFP AB3000X (2.88 kWh each), up to six modules to reach 17.28 kWh of total capacity! Note that this system is not compatible with the old AB1000/AB2000 batteries of Zendure, it exclusively requires high capacity AB3000X batteries.
The device is provided to operate in AC coupling (alternating current) with the PV inverter already present. In other words, the solar energy produced by the panels is first transformed into an alternating current (by the original inverter of the roof), then injected via the Solarflow system which recharges the batteries in DC and realims the house in AC when necessary. This “Plug-And-Play across” architecture guarantees total compatibility with most of the photovoltaic installations already in place, without questioning the electric wiring. Note that its efficiency makes sense by associating a connected counter from the brand or a partner like Shelly.
An installation designed to be simple
After fixing the case on the wall (or put it standing), the AB3000X battery (s) is connected to the terminal provided at the base of the device. Then just connect the case to a standard domestic sector outlet using the supplied cord. The Zendure mobile application allows you to configure the device in a few minutes: choice of battery, definition of safety settings, etc. By default, the electrical output is limited to 800 W to comply with the plug-and-play regulations. You must sign a liability discharge in the application to bring this threshold to 2400 W in continuous regime. In practice, we can therefore control large devices (oven, dryer, air conditioner) up to 2.4 kW in AC, and even 7.2 kW if several Solarflow boxes are installed in parallel (such a configuration requires the intervention of a professional electrician).
From a technical performance point of view, the Solarflow 2400 AC is focusing on Silicon Carbide (SIC) technology to reach very high energy efficiency (up to 93 % in an round-trip cycle). Concretely, this means that on 1 kWh injected to load the batteries, around 930 Wh are returned in total, limiting internal losses. Thanks to this increased efficiency and the choice of a 48 V bus (which reduces internal currents), the conversion consumes less energy. In addition, this device can operate in help (out of network mode) in the event of a public network cut. It has a dedicated output socket which delivers up to 3,600 W at a point (for 10 s) and 2400 W continuously, with automatic change on battery in less than 15 ms. Clearly, during a breakdown, solarflow switches almost instantly in autonomous power, taking over from the network to maintain the refrigerator, internet box or other critical devices, up to 2.4 kW of cumulative load.
In real conditions, the use of the Solarflow 2400 AC shows that it is possible to strongly boost the self -consumption rate of your home. On a daily basis, after installation, the system works transparently: the photovoltaic surplus loads the batteries in the background, then these feed the house when the sun weakens.
One can imagine amortizing between 5 and 10 years this type of installation if we already have photovoltaic panels, because the system allows both to reduce the purchase of energy in the middle of the day and to avoid losing all the solar surplus.
Acheter le kit Zendure SolarFlow 2400 AC
Zenki OS: A system boosted at AI that makes all the difference!
The Solarflow 2400 AC of Zendure integrates Zenki, an AI platform which acts as Hems (Home Energy Management System). Presented as a “software overlay” of the system, Zenki acts behind the scenes as an energy operating system of the home, continuously coordinating photovoltaic production, battery storage and flows to or from the domestic network. To do this, the AI permanently aggregates a lot of information: the consumption habits of the home, the weather data (sunshine, temperature, humidity, etc.), the state of load of domestic batteries, and even the timetables of compared electricity in more than 700 suppliers (but that has little relevance in France).
From this data, Zenki establishes an optimal load/discharge schedule. Thanks to automatic learning algorithms, it can provide precisely when it is interesting to store or redistribute the electricity produced. For example, if the weather forecasts a cloudy period the next day, Zenki favors the night load, even more during off -peak hours if you with a contract of this type, rather than waiting for uncertain solar production. Conversely, during a strong sunshine forecast, the AI promotes immediate self -consumption of photovoltaics and recharge of batteries, in order to maintain excess energy for later.
On the practical level, you benefit from a high degree of automation: once the system has been connected and configured, Zenki pilot the load and discharge in real time without it being necessary to permanently monitor the system. The device connects to a plug-and-play (standard socket and initial configuration via the Zendure application), after which the AI operates in the background and this for free compared to certain competitors.
The dedicated mobile application offers an intuitive HEMS dashboard: we clearly see the source of energy (panels, network) and its distribution (home consumption, battery load). We can let Zenki manage automatically or, if desired, customize advanced parameters (define load slots, favor autonomy, activate an expert mode, etc.). In practice Leaving Zenki everything to manage is a good solution, and we only intervene only to consult the graphics or occasionally adjust preferences via the application. Note also that Zenki works locally even if the internet connection is missing, thus ensuring the continuity of intelligent management without depending on the cloud.
Note that the Solarflow 2400 AC can connect to various Third Party or Zendure intelligent meters in order to control its load/discharge very precisely. For example, the Smart Meter 3CT Zendure counter or the Shelly Pro 3EM counter (three phases) measure the general consumption of the house in real time. These data allow the Solarflow to know when the household consumes little (or produces more solar than necessary) and when it consumes a lot, and Zenki then uses this data to optimize the whole.
Zendure thus claims that the AI can lower the electric bill significantly (up to 30–40 % on average, with cases up to 42 % savings). We did not get there, but we clearly optimized the system to lower our bill by 15 to 20% all the same! For example, we have exported only a few kWh to the network in one day, while important only 0.2 kWh of the network, which is almost completely autonomous!
An evolving and autonomous installation
At home, I coupled the Solarflow 2400 ac with a hyper 2000 with three batteries, all controlled by the Hems of Zenki system and a connected meter Zendure Smart 3CT. The hyper 2000 is connected to two solar panels of 450 W each: it stores the surplus of solar energy during the day in its batteries instead of reinject it on the network, and it can also, depending on the instructions of the AI, recharge from the electricity network at night when the prices are advantageous or the weather announces little sun.
The coordination between the Solarflow 2400 AC and the Hyper 2000 is transparent: Zenki manages them as a single installation, monitoring solar production in real time, the consumption of the hearth and the load level thanks to the intelligent counter, in order to continuously adjust the load and the discharge of the batteries for optimal efficiency.
On a daily basis, I see that this configuration works in a very effective and autonomous way. For example, Zenki’s AI is based on weather forecasts and the HC/HP rate to decide from the ideal moment when drawing from my batteries or on the contrary recharge them, which maximizes my solar self -consumption and clearly reduces my electricity bill! It is really appreciable to see the batteries fill as soon as the sun shines, then to be able to use this energy stored in the evening. The system even anticipates cloudy days by launching a preventive recharging on the network the day before if necessary, and all this is done automatically without me having to worry.
The Solarflow 2400 AC Zendure is available from 1450 euros with an AB3000X battery (2,880 Wh).
Acheter le kit Zendure SolarFlow 2400 AC
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