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Electronics > Backup power
Power inverters
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Mong Kok Power Supply

Our 1,000 W pure sine wave inverters start from about HK$1,500, and we deliver to Kowloon and Sha Tin. Which appliances will you connect, and what is the total wattage?

Tuen Mun Electrical Trading

A 300 W pure sine wave unit costs from about HK$930, with delivery to Tuen Mun and Tsuen Wan. Is your battery 12 V or 24 V, and do you also need a charger?

Central Energy Supplies

A 3.6 kW hybrid inverter with three batteries is about HK$54,800, and installation is quoted separately. Is your solar array already fitted, or do you need a full system?

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Power inverters for home and vehicle use in Hong Kong

A small car-plug inverter in Hong Kong costs about HK$190 to HK$540, a pure sine wave unit between 300 W and 1,000 W costs roughly HK$930 to HK$2,800, and a 3.6 kW hybrid unit with three batteries is about HK$54,800. For current prices from sellers who match your load, describe the devices you need to run on a BlaBlaPrice request.

Approximate prices in Hong Kong, November 2026 (sellers' websites)
TypePrice range
Car-plug inverter, 150–400 WHK$190–HK$540
Pure sine wave, 300–1,000 WHK$930–HK$2,800
Modified sine wave, 2,500 Wabout HK$2,500
Hybrid all-in-one, 3.6 kW with 3 batteriesabout HK$54,800

Electrical safety and product rules

Household electrical products supplied in Hong Kong must meet the Electrical Products (Safety) Regulation (Cap. 406G), so check the product's compliance details before you buy. The Consumer Goods Safety Ordinance (Cap. 456) requires suppliers and importers to make sure consumer goods are safe. If the inverter feeds a solar panel array, the installation falls under the Electricity Ordinance (Cap. 406), and the EMSD's guidance notes on solar PV systems apply, so ask the installer to follow them.

Season and placement

Summer runs from June to August and is hot, and heat shortens battery life, so keep the unit in a shaded, ventilated spot. Winter from December to February is milder. November sits between the two, which makes it a sensible time to choose a unit before the cooler months.

Delivery and how power is quoted

Prices are per unit, and listings state continuous and peak wattage separately, so ask the seller for both. Input voltage is usually 12 V or 24 V DC, so say which battery you have and what you plan to connect. Name your city among Central, Kowloon, Sha Tin, Tsuen Wan and Tuen Mun so the seller can quote delivery. Ask whether installation and battery charging are included.

What to put in the request

List the devices you want to power, the total wattage, the battery voltage, whether the unit must also charge the battery, and your budget. Some brands in the listings give 5-year warranties, so say whether you want one.

BlaBlaPrice takes your request in your own words, and you can add a photo of the unit or its label. The AI asks follow-up questions when something is missing, then looks through sellers' websites and price lists in Hong Kong. Sellers registered on BlaBlaPrice reply in the chat with their price, terms and delivery, and your contacts stay hidden until you choose whom to contact. Start from backup power or create a request on the home page.

Questions and answers

How much does a power inverter cost in Hong Kong?

Small car-plug units cost about HK$190 to HK$540. Pure sine wave units from 300 W to 1,000 W cost about HK$930 to HK$2,800, and a 3.6 kW hybrid with batteries is about HK$54,800.

Does an inverter have to meet local safety rules?

Yes. Household electrical products supplied in Hong Kong must meet the Electrical Products (Safety) Regulation, so ask the seller for the compliance details.

Does a solar inverter installation need special rules?

Solar PV installations fall under the Electricity Ordinance and the EMSD's guidance notes, so use an installer who follows them.

Which cities should I name for delivery?

Central, Kowloon, Sha Tin, Tsuen Wan and Tuen Mun are the delivery cities in this listing, so name yours in the request.

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