What size Voltronic inverter, and how much battery, will carry my appliances?

The calculator under this heading chooses from 233 Voltronic inverters — 158 of them named Axpert, 53 InfiniSolar — and from 16 batteries, the LIO and EnergyCube lines among them. Further down, a few loads are already worked through: each shows the unit the calculation stopped at and the rows of that unit's record worth reading first.

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How the calculator reads the Voltronic catalogue

You name the appliances and the hours they must keep running. Two figures come out of that list: the day's consumption, and the surge at the moment the motors start — the second is usually what decides the inverter. The calculator then searches 233 Voltronic inverters for a unit whose rating clears that surge, and 16 batteries for the pack, or the smallest number of identical packs, that stores the hours you asked for. Where it finds no single inverter, the result shows a rating and no model; 63 inverter records here state parallel operation, up to 12 units, which is how a bigger site can be assembled from this range.

The result is sized from power and stored energy. Three rows of each record are still yours to read against your own site, and they are worth opening the product page for. Battery voltage — 69 inverter records state 48 V, 32 state 24 V, 9 state 12 V. Phase — 6 listings carry “Split-Phase” in their name, 10 carry TRI or 3P. And the battery's own nominal voltage — the EnergyCube stacks state 204.8–614.4 V, the LIO packs 48–51.2 V. This catalogue lists no solar panel, so the array appears as a number of panels and a kWp figure. The tool sizes; it does not design. Cable sections, protection and the final sign-off are not its job: an installer who holds a licence in your country does those. Each unit's page prints its price, and orders are collected at our store in Dubai or Riyadh.

On the inverter shelf: 178 listings filed as hybrid, AED 626 – AED 13,000, and 50 filed as off-grid, AED 626 – AED 2,800. 158 are Axpert models and 53 InfiniSolar; 141 records give a pure sine wave as the output waveform.

On the battery shelf: the LIO line with LIO 4805 (2.4 kWh) and LIO 4810 (4.8 kWh), and the EnergyCube line with EnergyCube 205 (10 kWh), EnergyCube 305 (15 kWh), EnergyCube 405 (20 kWh) and EnergyCube 605 (30 kWh). Across the 16 battery listings the prices run AED 548 – AED 17,553. A load that outlasts one pack is answered with a count of one model.

Loads the calculator has already worked through

These come from the same engine the tool above runs, for building profiles that have a page of their own. The unit named on each line is whatever the calculation returns from the Voltronic record as it stands, and each card below opens the full kit.

Apartment — a 4-hour power cut in the evening. The surge at start-up reaches 4.9 kW and the whole day draws 13.8 kWh, of which 2.3 kWh has to come out of the battery bank while the utility is down. Inverter: the calculation stops at the InfiniSolar V III TWIN 6.2KW (AED 1,438). Its record states a 48 V battery, a rated output of “6200W” and parallel operation up to 9 units. The tool marks this unit for a supply check. Its record gives the acceptable input voltage as “80-130 VAC/80-150VAC” and the nominal output voltage as “101/110/120/127 VAC 208/220/230/240 VAC”: hold both against the supply at your site before ordering. Battery: one LIO 4810 — 4.8 kWh by its name, 48 V nominal by its record, 4.3 kWh counted as usable. Set the two voltage rows side by side before ordering: 48 V on the inverter's page, 48 V on the battery's. Array: 6 panels, 3 kWp. The Voltronic units named here come to AED 4,282.

House — 8 hours of night with the utility down. The surge at start-up reaches 8.1 kW and the whole day draws 25.4 kWh, of which 8.5 kWh has to come out of the battery bank while the utility is down. Inverter: 9 kW as a rating — the calculation stops at no single Voltronic model here. By their own names, the nearest listings are the Axpert King IP52 10KW, Axpert MAX AIR 10K and InfiniSolar WP 10KW. Battery: one EnergyCube 305 — 15 kWh by its name, 307.2 V nominal by its record, 13.5 kWh counted as usable. Array: 11 panels, 5.6 kWp. The Voltronic units named here come to AED 8,777.

Villa — no utility supply on site. The surge at start-up reaches 11.7 kW and the whole day draws 49.5 kWh, and the battery bank is asked to hold 49.5 kWh of it. Inverter: the calculation stops at the Axpert MAX II TWIN 12K (AED 2,339). Its record states a 48 V battery, a rated output of “12000VA/12000W” and parallel operation up to 6 units. Battery: 12 × LIO 4810 — 4.8 kWh each by name, 48 V nominal by its record, 51.8 kWh counted as usable. Set the two voltage rows side by side before ordering: 48 V on the inverter's page, 48 V on the battery's. Array: 22 panels, 11.6 kWp. The Voltronic units named here come to AED 36,467.

Voltronic kits already worked out, one per building

Sizing on the Voltronic catalogue: inverter, battery bank, array

What size Voltronic inverter gets through an evening power cut?

One whose rating clears the surge when the motors start. The apartment profile starts at 4.9 kW and lands on the InfiniSolar V III TWIN 6.2KW, 4.96 kW, the shop profile starts at 5.6 kW and lands on the InfiniSolar V5-6.2KW, 5.6 kW and the farm profile starts at 3.9 kW and lands on the InfiniSolar V II TWIN 6kw, 4.8 kW. Your own list of appliances moves the surge, and the unit with it.

How much Voltronic battery does a night without the utility take?

The hours decide it. The apartment profile sized for a 4-hour cut in the evening is counted at 4.3 kWh — LIO 4810; sized for 8 hours of night it is 8.6 kWh — 2 × LIO 4810. The inverter is the InfiniSolar V III TWIN 6.2KW in both cases; only the bank grows.

How many solar panels refill a Voltronic battery bank in one day?

13.8 kWh a day (apartment) is put back by 6 panels of 550 W on about 16 m² of roof, 25.4 kWh a day (house) is put back by 11 panels of 550 W on about 29 m² of roof and 49.5 kWh a day (villa) is put back by 20 panels of 550 W on about 52 m² of roof. The array is a count at that module size: the Voltronic units in a result are its inverter and its battery.

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