Which Appliances Can an Inverter Run? Fridge, AC, Pump & More
Wondering which appliances an inverter can run — a fridge, an AC, a water pump? Almost any home appliance can run on an inverter if the inverter is sized for its wattage and startup surge. Below is a typical-wattage table for Indian homes, and a free calculator that gives you the exact inverter size, battery and backup time for your own list of appliances.
An inverter doesn't "know" what appliance you plug in — it only cares about two numbers: the running watts the appliance draws, and the startup surge (motors and compressors briefly pull 3–5× their rated watts). Get an inverter whose continuous wattage covers your total load with headroom, and it will run those appliances comfortably. The table below shows what typical Indian home appliances draw.
Typical appliance wattage (Indian homes)
| Appliance | Typical running watts | Notes |
|---|---|---|
| LED bulb / tube | 9–20 W | Runs easily on any inverter |
| Ceiling fan | 55–75 W | BLDC fans use less |
| LED TV | 60–120 W | By screen size |
| WiFi router | 10–20 W | Tiny load |
| Laptop | 50–90 W | Desktop 150–250 W |
| Refrigerator (single door) | 150–250 W | Cycles on/off; surge at start |
| Refrigerator (double door) | 250–400 W | Cycles on/off; surge at start |
| Water pump (0.5–1 HP) | 370–750 W | Heavy 3–5× startup surge |
| Mixer / grinder | 500–750 W | Motor surge at start |
| Washing machine | 500–800 W | Cycles; heater models draw more |
| Microwave oven | 1000–1400 W | Short bursts |
| 1 ton AC | 1000–1200 W | Inverter-AC cycles; needs surge headroom |
| 1.5 ton AC | 1500–1800 W | Needs a larger inverter/battery bank |
| Geyser / iron / heater | 1500–3000 W | Best avoided on battery backup |
⚡ Get the exact answer for your home: instead of adding these up by hand, use our free Inverter & Battery Backup Calculator — tick the appliances you want to run, and it returns the inverter watts, system voltage, battery Ah and real backup time, built on actual lab discharge tests (not brochure math).
The two things that decide if an inverter can run an appliance
1. Running watts (sizing the inverter)
Add up the running watts of everything you want on at once. Your inverter's continuous wattage must exceed that total with ~15% headroom. Note that Indian inverters are sold in VA, but VA doesn't map cleanly to real watts — which is why BIS prints the continuous wattage on the nameplate. Buy by watts. See how to calculate the load chart of a lithium inverter/UPS.
2. Startup surge (motors & compressors)
Refrigerators, water pumps and ACs pull 3–5× their running watts for a split second at startup. The inverter must carry that surge or it will trip. Pure sine wave inverters with a good surge rating handle this cleanly — modified/square-wave units often can't. This is one reason a good pure sine wave inverter matters.
So, can an inverter run…?
- A refrigerator? Yes — a 1 kVA (800 W) or larger pure sine wave inverter runs a home fridge easily; it cycles, so backup is longer than its rated watts suggest.
- An air conditioner? Yes, with the right size — a 1 ton AC needs roughly a 2–3 kVA system, a 1.5 ton AC more. See running an AC on a lithium inverter.
- A water pump? Yes, if the inverter's surge rating covers the pump's heavy startup current — size up for the surge, not just running watts.
- Washing machine, microwave, mixer, TV, fans, lights? Yes — all common, just add their watts to your load total.
- Geyser, iron, room heater? Technically yes, but they're heavy continuous loads that drain a battery fast — usually not worth running on backup.
Find out exactly what inverter & battery your appliances need
Open the free backup calculatorSee Su-vastika invertersFrequently asked questions
Related Su-vastika guides
- How to calculate the load chart of a lithium inverter/UPS
- Home UPS & inverter buying guide (India)
- Best lithium inverter in India — buyer's guide
- Difference between tubular and lithium battery
Note: Kunwer Sachdev is the founder of Su-Kam Power Systems but is no longer associated with Su-Kam in any capacity. He currently mentors Su-vastika.
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