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Recharge your EV overnight – with your own charging station

EVs and plug-in hybrids are becoming ever more popular. The key question is: should I invest in my own charging station at home? And what will it cost me? In some cases, the next public charging station may be several kilometres from home. Helvetia explains how you can recharge your EV at home.

24 august 2021, text: Simon Gantner, photo: Getty Images

Wallbox chargers for electric vehicles
Charging an electric vehicle via a wallbox charger offers numerous advantages.

Power point? No, better not.

Theoretically, it is possible to recharge your EV at an ordinary power point. But it isn't practicable and has some disadvantages. It can take up to 15 hours to fully recharge your vehicle. It also puts a constant strain on the electrical wiring, which at worst can result in a fire through overheating.

For those who take e-mobility seriously and don't want to be dependent on public charging stations, a home charging station or wallbox charger is the way to go. It saves you both time and the trip to the public charging point. Every wallbox charger is equipped with an electric vehicle charge controller. In tandem with the vehicle itself, this device monitors and controls the charging process. The biggest advantage of a wallbox charger is that it can recharge an EV around 4.5 times faster than a household power point. The EV's charging cable connects directly to the wallbox, and it is safe and convenient to let your vehicle recharge overnight. The next day, your EV is fully charged and ready to drive away.

Getting your own wallbox charger

Plug type 1 or 2? 11 or 22 kilowatts? The EV market is booming, which is why there is already a plethora of different charging stations. With so many options to choose from, it's difficult to get a clear overview. So, it's worth obtaining professional advice on the model that's right for you. But, even once you've purchased a wallbox charger, your work is far from over. Here are the key points:

  • Like a stove or washing machine, a wallbox charger requires a power supply with three-phase AC voltage.
  • Before the wallbox charger is installed, you require approval from your local electric power utility.
  • Only electricians with a corresponding permit are allowed to install wallbox chargers.

Without professional support, the path to getting your own wallbox charger can be a rocky one. But there are already companies that provide assistance with everything from initial purchase and installation through to servicing. An online search will direct you to suitable offers.

But what does the convenience of being able to recharge your EV quickly and safely at home cost? The decisive aspects here are the technical specifications of the device and the work involved in installing it.

Purchase of wallbox charger
CHF 700 – 2,700
Installation of wallbox charger
CHF 1,000 – 3,000
Total costs
CHF 1,700 – 5,700

Can I insure my wallbox charger?

Things can go wrong at any time. Given the total cost of buying and installing a wallbox charger, it makes sense to insure it. That is why Helvetia has developed supplementary insurance for wallbox chargers, covering, e.g. damage due to:

  • Unintentional incorrect operation that damages the internal workings of the charger
  • Malicious damage / vandalism by third parties
  • Bites and consequential damage caused by martens or rodents
  • Theft
  • Short circuits, overvoltage or overcurrent
  • Impact of foreign bodies  

Worth knowing: wallbox charger and solar power system in tandem

Charging your EV with electricity from your home solar power unit is not just ecological, but also makes good economic sense: the vehicle battery can be used to store additional electricity, enlarging the solar power system's total storage capacity. Excess electricity can be stored in the EV battery instead of having to be fed into the grid at an unfavourable price. Only after the EV battery is fully charged is excess electricity is fed into the grid.

To keep the electricity flowing

Protect your wallbox charger against damage and take advantage of the ProClima bonus for environmentally friendly vehicles.