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Solar system for a villa with overnight backup power

Villa — 8 hours of night with the utility down. The load is air conditioner ×4, fridge, freezer, lights & Wi-Fi ×2, TV ×2, washing machine, water pump and kitchen (microwave & kettle). It needs 12 kW of inverter and one EnergyCube 605 battery (30 kWh by name); the sizing tool names no single Voltronic inverter at that rating. Listings that state 12 kW or more in their own name start with the Axpert MAX AIR 12K, Axpert MAX II TWIN 12K and Axpert MAX II TWIN HMI 12K.

If 4 hours are enough instead of 8, the storage needed falls to 8.3 kWh — 13.5 kWh installed across 1 battery unit(s), 13.5 kWh less. The array stays at 10.9 kWp. Solar system for a villa with evening backup power

What is inside

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Solar panels10.9 kWp20 panelsInverter12 kWruns the placeBattery27 kWh~8 h after a cutVilla49.5 kWh/daywhat you use a day
How the energy moves through your system

What the records of these units say

Motors set the inverter size, not the daily total: this profile uses about 49.5 kWh a day but reaches 11.7 kW in the instant its motors start. That calls for 12 kW, and the tool leaves the inverter as a rating here. Nearest by name: Axpert MAX AIR 12K (AED 2,339), Axpert MAX II TWIN 12K (AED 2,339, 48 V battery by its record, parallel up to 6 units) and Axpert MAX II TWIN HMI 12K (AED 2,339, parallel up to 12 units). Another route is two smaller units side by side: 63 inverter records in this catalogue state how many units run in parallel, up to 12.

The battery only has to bridge the outage: 8 hours of this load is about 16.5 kWh. The sizing covers that with one EnergyCube 605 battery (30 kWh by name), counting 27 kWh of it as usable. Its record states: nominal voltage 614.4VDC, 6 battery modules per set, cycle life “6000 Cycles @>80% capacity” and 328 kg per unit. No inverter is named beside this pack, so its nominal voltage of 614.4 V is the figure to carry to the battery-voltage row of any inverter's page.

Panels are bought apart from this catalogue, which lists none; the array is therefore a count: 20 panels, 10.9 kWp, figured at 5.7 peak sun hours a day.

Voltronic parts beside the inverter and the battery

The first entries are the inverters named above; none of the rest is in the kit. Each is its own listing, with its own table and its own price, for the site that needs a transfer switch, remote monitoring or a separate charge controller.

Frequently asked questions

Which Voltronic inverter reaches the 12 kW this villa needs?

The sizing tool names none, so the catalogue is read by name: Axpert MAX AIR 12K at AED 2,339, Axpert MAX II TWIN 12K at AED 2,339 and Axpert MAX II TWIN HMI 12K at AED 2,339. Open each one and compare its phase and battery-voltage rows with your site before ordering.

How much battery does this villa kit hold?

One EnergyCube 605 battery (30 kWh by name); the sizing counts 27 kWh of that as usable against a need of 16.5 kWh. The pack's nominal voltage is 614.4VDC.

What is the price of the Voltronic units in this villa kit?

1 × EnergyCube 605 at AED 17,553. That is the figure on each product page and the one you pay when you collect the order from our store in Dubai or Riyadh; panels and installation are outside it.

Does Voltronic supply the solar panels as well?

Not in this catalogue. It lists 233 inverters, 88 UPS, 16 batteries, 20 solar charge controllers and 17 voltage regulators, and no panels. This kit needs 20 of them, about 52 m² of roof.

Other Voltronic kits: this building on another supply, and this supply elsewhere

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