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What are the different types of EV chargers available on the market?2024-02-29T04:12:01+00:00

There are three relevant modes of EV chargers ranging from Mode 2 to Mode 4 (Mode 1 is not deemed a safe charging method in New Zealand).

  • Mode 2 (AC trickle charging):  This is the most basic home or destination charging option, where you plug the car into a standard 230V AC (alternating current) socket using specialised charging equipment (usually supplied free with EVs). This is the slowest method of charging, taking up to 48 hours to charge your car. In our view, they are best used as travel chargers or emergency back up chargers, rather than a main charger.
  • Mode 3 (AC fast charging):  When most people talk about ‘dedicated EV chargers’, this is the type of charger they’re usually referring to (and the type we normally install). These are the chargers that are typically installed in residential homes, in strata and commercial building car parks and at some businesses. A full charge takes between six and twelve hours (depending on your vehicle’s battery size). This makes it viable to charge your EV overnight at home or throughout a workday.

Mode 4 (DC rapid charging): Mode 4 chargers are the rapid chargers used at service stations, street side charging, for fleet vehicles and for certain commercial users. Mode 4 chargers will usually charge your battery to 80% within half an hour – perfect for long distance travel. However, these stations sometimes require more power than your entire house, cost upwards of $25,000, and require major panel and service upgrades – which is why they’re not feasible for home use.

What type of charger do you normally install in residential properties?2024-02-29T04:12:28+00:00

For most homes, a Mode 3 charger is the optimal charging solution. These chargers: 

  • can be run from the mains electricity supply
  • enable overnight charging from empty to full (usually benefiting from lower off-peak tariffs from your power company with a lower carbon output)
  • can be set up to use solar power (whether directly from solar panels via your inverter, or  through power stored in home battery setups).

Common brands include Wallbox and Evnex. 

Other than the speed of charging, what is the most important feature of a home EV charger?

Dynamic load balancing is a really important feature of your home EV charger. Dynamic load balancing is a smart charging feature that monitors the energy usage of your home and only allocates spare power to your charging station. Under high demand conditions, the charging rate of your EV charger is throttled, which ensures the main incoming supply is never overloaded and avoids any outages. We supply EV chargers with this feature built in for no extra cost.

Can you install a EV charger I’ve purchased elsewhere (either from my EV dealer or another supplier)2024-02-29T04:12:54+00:00

Yes! We can install all brands of EV charger. Contact us to find out more.

How much does it cost to install a home EV charging station?2024-02-29T04:13:15+00:00

This is dependent on a couple of things, including: 

  • the distance between your fuse box and the desired EV charger location 
  • the feasibility of installing cabling between your switchboard and EV charging station.

Generally speaking, it’s around $1,950+GST to supply and install a charger adjacent to your switchboard ($525+GST install only). To supply and install a charger installed on the opposite side of the room or garage (5m line of sight), it’s around $2,400+GST ($1,050+GST install only). Contact us for a customised quote.

Will I need to carry out any upgrades to my home to install an EV charger?2024-02-29T04:13:35+00:00

Depending on the age of your home, you may find that upgrades need to be made in order for an EV charger to work properly. These may include:

  • Wiring replacement
  • Switchboard upgrades
  • System capacity upgrades

We can advise about any specific upgrades that are required during the assessment process.

Will my fuse box/switchboard be able to handle the new EV charger?2024-02-29T04:13:54+00:00

Switchboard upgrades are the most common upgrade we need to make when installing an EV charger, especially if your switchboard is an older model that has rewireable fuses. This will also improve the electrical safety of your home. An approximate cost for this is $2,000+GST. 

However, there aren’t too many switchboards we haven’t been able to work with. If we are working with an older switchboard, we do recommend installing our circuit protection in an enclosure adjacent to the switchboard to avoid penetrating the asbestos panelling.

What’s the best time of day to charge your vehicle?2024-02-29T04:14:47+00:00

Generally, it’s best to charge overnight or during the day, and avoid peak energy usage times like breakfast or dinner times). Most clients charge their EVs overnight to limit stress on their home’s power supply and to take advantage of off-peak energy rates. Your power company will be able to tell you if you can take advantage of an off-peak tariff, or switch you onto a plan which enables this if you’re on a single-rate plan.

Can my EV charger be set up to work with my solar panels?2024-02-29T04:15:11+00:00

Yes! Wallbox chargers in particular feature an Eco-Smart functionality which uses the surplus energy from your building’s solar panels to avoid high grid energy prices. You can choose between two modes to charge with: 100% solar energy or a mix of solar and grid energy.

Can my EV charger be installed outdoors?2024-02-29T04:15:47+00:00

Yes, all EV chargers we supply (and all reputable EV chargers) are weatherproof. Most manufacturers do suggest avoiding areas that are subject to prolonged periods of direct sunlight.

Is it safe to charge my vehicle in the garage?2024-02-29T04:16:06+00:00

Absolutely! There shouldn’t be any risk to charging your EV in your garage as long as the charger has been professionally installed by a company like KC Electrics. 

What is your lead time to install an EV charger?2024-02-29T04:16:19+00:00

We promise to have your EV charger quoted and installed within seven days (single-charger residential installations only; if you are providing the charger, you must have it in your possession at the time of booking for the 7-day commitment to be valid). Contact us to install your charger today!

Can you install chargers in strata or commercial buildings?2024-02-29T04:16:30+00:00

Yes! We specialise in installing Mode 3 EV chargers in environments like apartment blocks, office car parks and commercial environments. It is a similar process to installing a single charger in a house, albeit with a few extra steps. 

Firstly, we’ll carry out an initial load study, before moving onto the system design. Following approval of the system design, any required infrastructure upgrades will be made. Finally, a load management system and the chargers themselves will be installed. The end result should be easy charging for everyone, with no impact on building systems.

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Recent reviews

“ I had a BMW charger installed by KC Electrics Ltd recently. They did an excellent job and were knowledgeable in this area. I recommend them for any electrical work without any hesitation. ”

Neil, Auckland

“ Easy quotation process and service booking done professionally by Kevin. Blake the technician installed our Tesla Wall Connector perfectly in a spot that we are very happy. Highly recommend using their service. ”

Cyrus, Auckland

“ The KC team installed a Wallbox in our garage. They were fast, tidy, friendly and highly professional. They made it easy and hassle-free. If you need a Wallbox I definitely recommend them. ”

Troy, Auckland
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