zappi charger with tethered or untethered option

Tethered chargers and Untethered chargers are two types of EV home chargers that are available to you. In this article, we will explain the differences and the pro’s and con’s of each to help you decide which option will be best for you.

A tethered charger means that the charging cable is permanently attached to the charging unit. Once you have finished charging, you simply coil the cable back onto the charging unit.

An untethered charging unit is supplied with a universal socket and can be used with any cable, including the cable supplied with your electric/hybrid vehicle.

It is important to check whether the tethered charger cable length is long enough to reach your vehicle before having your home EV charger installed. Most tethered chargers are supplied with a 5m or 7.5 m cable as standard.

Tethered Chargers


  • Convenient – simply uncoil the cable and plug into your vehicle
  • Secure- the cable is securely attached to the charging unit
  • Cable already included in the price- you won’t need to purchase a charging cable separately


  • Lack of flexibility
  • Limited choice of cable lengths
  • Restricted to charging either Type 1 or Type 2 vehicles

Untethered Chargers


  • Flexibility
  • Works with Type 1 AND Type 2 cars
  • Option to change/choose your charging cable length


  • Less convenient- you need to store your cable somewhere after charging
  • You have to supply your own cable
  • Less secure as the cable is easier to access

Some vehicle manufacturers will give you a cable with the car, but beware as these cables are not always rated at 32-amps (the full rate of the charger), which may mean your car does not charge at the full power the charge point can provide.

Ultimately it depends on which you think will benefit you the most. If convenience is your main concern, then go for a tethered charger like the Andersen A2. However, if you’re looking for something more flexible, then an untethered universal socket charger such as Project EV may be for you. Some of our range of chargers, come with both untethered and tethered options like the Zappi.

Still unsure?  Avoid having to make a decision and choose the Easee One where you get the best of both worlds as this charger can be used as either a tethered or untethered unit. Simply lock your cable in place with a click of a button or choose to store your cable away.

View our range of high-performance home chargers and compare them side by side by clicking here.