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How to Choose an EV Charger for Home in India

Kazam Team

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Published on 30th Oct 26

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To choose a home EV charger in India, first check your car’s onboard AC charger rating. Then confirm your sanctioned load can carry the charger. Pick 3.3 kW for regular city driving and 7.4 kW for long daily distances or shared cars. Insist on a Type 2 connector, certified safety protection and professional installation.

Most EV owners in India do most of their charging at home, overnight. So the charger on your wall shapes your daily experience more than any public network does. We compare the two in home charging vs public charging.

What is a home EV charger?

A home EV charger is a wall-mounted AC charging unit, also called a wallbox, installed at your parking spot. It supplies AC power through a dedicated circuit, and your car’s onboard charger converts that power to charge the battery. Compared with charging from a regular socket, a wallbox is faster, safer for daily use and lets you monitor your charging.

How do you know which charger your car can use?

Your car’s onboard charger sets the maximum AC charging speed, whatever wallbox you install. Most EVs sold in India have an onboard charger rated at either 3.3 kW or around 7 kW. You’ll find the rating in your car’s spec sheet or owner’s manual, listed as “AC charging” or “onboard charger”.

  • If the car’s onboard charger is rated 3.3 kW, a 7.4 kW charger will still charge it at 3.3 kW.
  • If the car accepts around 7 kW, a 7.4 kW charger can roughly halve the charging time compared with a 3.3 kW unit.

How long does a home EV charger take to charge a car?

To estimate charging time, divide your battery size in kWh by the charging power in kW, then add about 10% for losses. For a 40 kWh battery charging from near empty:

  • At 7.4 kW: around 6 hours
  • At 3.3 kW: around 13 hours

Most people don’t charge from empty. If you drive 40 to 50 km a day and plug in overnight, a 3.3 kW charger tops you up before morning. For a worked example on a popular model, see how long a Tata Nexon EV takes to charge.

Should you choose a 3.3 kW or 7.4 kW home charger?

Choose based on your car, your daily driving and your electricity connection, not on which charger is faster. Both are the right pick for different owners. We go deeper in 7.4 kW vs 3.3 kW home EV charger.

A 3.3 kW charger like the Kazam Zip Pro fits you if:

  • Your car’s onboard charger is rated 3.3 kW
  • You drive under 50 to 60 km on most days
  • You’d rather not apply for a load enhancement

A 7.4 kW charger like the Kazam Zoom 7.4 kW EV charger fits you if:

  • Your car accepts around 7 kW AC
  • You drive long distances daily, share the car, or need quick turnarounds
  • Your sanctioned load can support it, or you’re ready to enhance it

Do you need to increase your sanctioned load for an EV charger?

You may, depending on the charger. Your sanctioned load is the maximum power your electricity connection is approved to draw, and it’s printed on your electricity bill. Many Indian homes have 3 to 5 kW sanctioned. A 3.3 kW charger usually fits within that. A 7.4 kW charger often needs a load enhancement from your discom, and the process and charges vary by state.

Can you install an EV charger in an apartment in India?

Yes. In most housing societies you’ll need RWA or society approval, and the charger connects to your own meter through a dedicated line from the meter room to your parking spot. Covered and open parking both work, but in open parking, check that the charger has at least an IP54 rating for dust and water protection.

Is a smart EV charger worth it for home use?

A smart charger is worth it if you want to schedule charging at off-peak tariffs, track your usage, or monitor charging remotely. If you only plug in at night and forget about it, a plug and charge unit is enough. Smart chargers typically add:

  • Live status and charging history
  • Scheduling for time-of-day tariffs, where your discom offers them
  • Remote monitoring and updates over 4G or Wi-Fi
  • OCPP support for connecting to charging management platforms

Learn more about smart charging technologies. (Swap this for the smart vs regular charger post once you have its URL.)

What safety features should a home EV charger have?

A home charger runs at high current for hours, often unattended overnight, so safety comes before speed. Check for:

  • Protection against overcurrent, overvoltage, earth leakage and overheating
  • A Type 2 (IEC 62196) connector, the standard for AC charging of cars in India
  • Compliance with IS 17017, the BIS standard for EV conductive charging, or IEC 61851
  • An IP54 or higher enclosure for open parking
  • Professional installation, including checks of your wiring and earthing
  • A clear warranty and a support line you can reach

Full detail in our EV charging safety standards in India guide.

Home EV charger buying checklist

  1. Find your car’s onboard charger rating in the spec sheet.
  2. Estimate your daily driving distance.
  3. Check your sanctioned load on your electricity bill.
  4. Confirm your parking setup and, in an apartment, get RWA approval.
  5. Decide whether you need smart features.
  6. Pick a charger with Type 2, certified protections and professional installation.

How much does it cost to install a home EV charger?

Installation cost depends on the charger, the cable run from your meter to your parking spot, any wiring or earthing upgrades, and whether you need a load enhancement. We break down each factor in EV charger installation cost in India. For a quote for your home, book a home assessment.

Frequently Asked Questions

Can I install a 7.4 kW EV charger on single phase supply?

Yes. A 7.4 kW AC charger runs on single phase supply at 32A. You’ll need a dedicated circuit, and you may need a higher sanctioned load. Have your connection checked before installation.

Will a 7.4 kW charger damage a car with a 3.3 kW onboard charger?

No. The car draws only what its onboard charger allows, so it charges safely at 3.3 kW.

Can I charge my EV from a regular 15A socket?

Some EVs come with a portable charger that plugs into a 15A socket. It works for occasional top-ups but is slower and not designed for heavy daily use. For regular home charging, a wall-mounted charger on a dedicated circuit is safer.

Do I need permission to install an EV charger in my apartment?

In most societies, yes. You’ll usually need RWA approval and a dedicated line from your own meter. Rules vary by society and state.

Which home EV charger is best in India?

The best charger is the one that matches your car’s onboard charger, your sanctioned load and your daily driving. For most city drivers with 3.3 kW cars, a 3.3 kW charger like the Kazam Zip Pro is enough. For cars that accept around 7 kW and for longer daily drives, a 7.4 kW charger like the Kazam Zoom saves the most time.

Not Sure Which Charger Fits Your Home?

Our team checks your car, your sanctioned load and your parking, then recommends the right charger and handles installation. Book a home assessment.

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