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Hybrid Inverter 3 kW

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3 kW hybrid inverter: for a cottage, garage, or small apartment

The 3 kW size is what cottagers and small-apartment owners buy from us most often. A typical customer this year: a retiree with a country house who needs to ride out a daytime blackout without losing the freezer contents, or a developer in a one-bed flat who doesn't want to spend an outage without a router, a laptop, and a kettle. For a larger home with AC and a borehole pump, 3 kW won't cut it (the AC compressor draws a 4-5 kW startup spike) — for that we ship 5 kW or 6 kW instead.

What 3 kW handles. A fridge at 200 W, a freezer at 150 W, LED lights at 100-200 W, a TV at 100 W, router and modem at 30 W, a laptop on charge at 60 W, a kettle at 1500-2000 W. You don't run everything at once: when the kettle is on, the induction hob waits 3 minutes. A 1 kW well pump kicks off with a 2-3 kW spike — a 3 kW inverter will start it, but won't run it in parallel with the AC.

What we ship from the warehouse

From our sales this year, two models cover the 3 kW slot. First: Veichi VHS-3K-30-H — single-phase 220 V, high-voltage 85-450 V battery, MPPT 100-550 V for 6-8 panels at 500 W in series. 30 A charge current, a 5 kWh lithium battery fills in 3-4 hours of solar noon. IP65, mounts on a wall under a canopy without an extra cabinet. Second, with headroom for a water heater: Veichi VHS-3.6K-30-H, same build, 3.6 kW continuous.

What we ask before the order. First: which battery you plan to use, because 85-450 V is high-voltage and not the same as a 48 V system. Second: 3 kW is continuous power; the short-term peak is 6 kW for 5-10 seconds (from the datasheet), enough for pump starts. Third: panels, because MPPT 100-550 V wants at least 4 panels at 500 W in a series string, otherwise the start-up voltage won't be reached. Veichi warranty 24 months, delivery from our Kyiv warehouse in 1-3 days. Datasheet available before payment.

Comparison of 3 kW models:

ModelPowerMPPT RangeBatteryApplication
Veichi VHS-3K-30-H3.0 kW100–550 V85–450 V / 30 ACottage, apartment, house up to 60 m²
Veichi VHS-3.6K-30-H3.6 kW100–550 V85–450 V / 30 AHome with air conditioner or water heater

3 kW Hybrid Inverter Manufacturers

Our 3 kW inverter catalog features Veichi: VH series with integrated MPPT controller, Wi-Fi monitoring, and IP65 protection. These models deliver 97.6% efficiency, ensuring minimal energy conversion losses. We also stock Deye inverters starting from 5 kW for higher-consumption properties.

3 kW Hybrid Inverters by Specifications

Warranty and Support

All 3 kW hybrid inverters come with official Veichi manufacturer warranty. Our engineers assist with power sizing, solar panel and battery calculations, and system commissioning. Payment options include cash, bank transfer, and sole proprietor invoicing. Delivery via Nova Poshta and direct shipping across Ukraine: Kyiv, Kharkiv, Odesa, Dnipro, Lviv, and other cities.

Frequently Asked Questions

Which 3 kW hybrid inverter is in stock?

In this class we stock the three-phase Veichi VH-series models: VHS-3K-30-H (3 kW) and VHS-3.6K-30-H (3.6 kW) for a high-voltage battery. These are compact 380 V hybrids for a small house, cottage or backing up part of the load. If you need an entry-level single-phase 220 V system, also look at the Veichi SI-series 4 kW models that work with a 24 V low-voltage battery.

Is a 3 kW inverter single-phase or three-phase?

The available 3–3.6 kW hybrids (Veichi VHS-3K-30-H, VHS-3.6K-30-H) are three-phase, 380 V, for a high-voltage battery. For a single-phase 220 V supply in this budget people take slightly higher-power models (4–5 kW), as there is no full single-phase Deye at exactly 3 kW in the range. A manager will advise the best option for your supply type.

How many solar panels for a 3 kW inverter?

A 3 kW hybrid takes a 3–4 kW array — that's 6–8 panels of 500 W. Oversizing the panel array by 20–30 % over the inverter is normal practice to offset losses and weak winter sun. The exact string layout is calculated from the MPPT range of the specific model.

What load will a 3 kW inverter carry?

3 kW covers a base load: fridge, lighting, router, TV, pump and small appliances one at a time. This is the level of a cottage or backing up critical loads in a house. To run a water heater, washing machine and air conditioner at once you need a 5–6 kW inverter.

How much does a 3 kW hybrid inverter cost?

Three-phase 3–3.6 kW Veichi VH hybrids start at about UAH 101,900. Entry-level single-phase solutions (the SI 4 kW series) are cheaper. Prices are current at the time of enquiry — check availability and the final price with a manager before ordering.