FAQ frequently asked questions
Here you will find an overview of frequently asked questions:
Which electric vehicles can be charged at the "WALLI"® charging box?
All E-vehicles registered in Europe can charge at the "WALLI"® charging boxes. The type 2 charging socket has established itself throughout the EU. In the coming years, all car manufacturers in Europe will equip their electric cars with Type 2 according to EU specifications. All "WALLI"® charging boxes are designed for fast charging via type 2.
Why is a Type 2 charging plug recommended instead of a conventional Schuko socket?
The type 2 charging plug ensures safe and fast charging. At a normal Schuko socket the so-called (emergency) charging can take 15 hours and more. Depending on the vehicle model and charging station, the charging process with type 2 achieves twice to eight times the speed compared to a conventional Schuko socket.
What charging times are to be expected for charging via Type 2?
The duration depends not only on the vehicle model but also on the loading point. With the "WALLI"® charging boxes (with 11 kW output power) you can bring approx. 55 km range back into the car within one hour (with a consumption of 20 kWh per 100 km). As a rule of thumb: 18 km can be charged per hour at 3.7kW, 55 km at 11kW and 110 km at 22kW. The exact values depend on the respective vehicle. The charging process thus reaches three times the speed of a conventional Schuko socket.
Where is charging carried out?
Wherever electric vehicles are on the road. With an "online" public charging box on public parking lots in the city centre, in multi-storey car parks, on company parking lots, hotels, shopping centres and swimming pools. With the "WALLI"® loading boxes of course at home or at work.
Can I load my vehicle anywhere?
On the one hand it is possible to load the vehicle at home with the charging box Home. In addition, there are currently more than 2,000 public charging stations throughout Germany. In partnership with the ADAC, many current charging points can be found on SmartTanks.
How can the user unlock a public charging box?
There are generally three ways to unlock the online charging boxes: Charging card (RFID), call or SMS. RFID and call are the identification options for existing customers, SMS is used to bill new customers who do not yet have a contract with the respective charging box operator. Charging by SMS also meets the requirements of the National Platform for Electric Mobility regarding the accessibility of the charging infrastructure. When activating the charging card (RFID), the charging card is simply held in front of the charging box. Registration takes place automatically. The user logs in by calling the specified telephone number or QR code. The activation and billing via SMS is carried out as follows: The user sends an SMS to the specified speed-dial number. The drop gates then unlock, the user can connect his vehicle and receives a confirmation SMS with price information and receipt PIN. Billing is done automatically via the monthly mobile phone bill or the prepaid credit balance. The charging process is also completed by SMS.
How does the solar power get into my vehicle?
During the day, the locally generated electricity flows from the roof directly into the e-vehicles because the electricity is always physically taken from the closest consumer. Stationary battery storage is not required for this maximisation of own consumption. Here you will find a link to an article in the trade journal "automotion", in which this question is answered in detail. E-vehicles can make a contribution to grid stabilisation if they are intelligently integrated into the regeneratively fed power grid as additional consumers. Load management and coupling with PV also takes advantage of the fact that cars are usually parked 20 hours out of 24 a day. The most suitable locations here are company car parks: during the day, solar electricity is used to charge the car at low cost during work.
What does solar power cost for 100 km of emission-free mobility?
With a realistic consumption of approx. 20 kWh per 100 km, electricity costs of 4-5 € are incurred. A conventional vehicle with a combustion engine, on the other hand, incurs fuel costs of 10 - 15 € per 100 km. (Assumptions: green electricity price 24 cent/kWh, petrol price 1.59 €/l)
What is the range of e-vehicles today?
The electric vehicles of the new generation have a range of up to 250 kilometers. However, the actual range depends on various factors: Driving style, route type and the functions used (e.g. air conditioning) all influence energy consumption and thus range.
What speed do electric cars reach?
The maximum speed of the new models (e.g. Renault ZOE) is approx. 140 km/h. The maximum speed of the new models (e.g. Renault ZOE) is approx. 140 km/h.
What is the engine power of the vehicles?
The engine power is between 50 - 80 kW. In contrast to combustion engines, however, the full torque is immediately available in e-vehicles, which is why the engine power of e-vehicles cannot be compared with that of combustion engines. When starting up, you can make many a combustion engine look "old". Driving an e-car is a special driving experience of its own.
How efficient is an electric drive?
The electrification of our cars also offers great advantages in terms of energy efficiency: Electric motors achieve an efficiency of 80-90 %, while combustion engines only achieve 20-30 %.
How expensive is maintenance?
The maintenance of an electric vehicle is far less expensive than that of a combustion engine. Common measures such as oil changes are no longer necessary. Added to this is the low wear of the electric motor.
How reliable are the batteries?
Nowadays, electric vehicles use lithium-ion batteries. In addition to their high energy density, their biggest advantage is that they have no memory effect. This means that the battery does not have to be completely charged or discharged, but its charging capacity remains the same. The intermediate charges increase flexibility in daily use.
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