There is hope for e-cars with single phase charging...

30th January 2019
Lanna Deamer


Manufacturer of portable charging stations, Juice Technology has announced the launch of its new Juice Phaser. Owners of e-cars with single-phase charging can rejoice: from now on, they can charge their cars twice as fast - without overloading their domestic power connection.

Until now, the Jaguar I-PACE, Nissan Leaf, Hyundai Ioniq and Kona, Kia Soul and e-Niro, Vauxhall/Opel Ampera-E and many other electric cars could only be charged from domestic power supplies with single-phase power.

Unfortunately this meant extremely long charging times. The Vauxhall/Opel Ampera-E takes 15 hours to charge fully, for example. And sure, charging would be quicker using DC power, but DC charging stations cost between 10-20 times more than AC charging stations.

Enter Swiss charging specialist Juice Technology to address the problem and come up with a solution: Juice Phaser. This device can be connected to a standard 16A three-phase socket (CEE 16, red), supplying 25A for single-phase charging. Instead of delivering an output of 3.7kW, the charger can deliver 5.8kW - yet is still fully compliant with the statutory unbalanced load restrictions.

Which means that our Vauxhall/Opel Ampera-E now charges in around nine hours. Or in other words, it’s now possible to charge even cars with single-phase charging at home overnight, or over the course of a working day in the office.

The Juice Phaser is ready for use with the world’s most widely used portable charging station, Juice Booster 2, for ultimate convenience and guaranteed charging reliability. These two devices work together to provide the ideal package, with inbuilt CE-conformity and EMC compliance.

In the words of Christoph Erni, Juice Technology CEO: “Juice prides itself on developing and manufacturing an extremely reliable infrastructure for its customers, allowing them to charge their cars quickly, simply and safely, no matter where they are. And of course we guarantee compliance with the latest regulations.”

The Juice Phaser can be connected directly to a CEE 16 socket, or straight to the mains. It’s also waterproof and as such is suitable for both indoor and outdoor use.

Why do we need the Juice Phaser?

  1. To prevent unbalanced loads Virtually all European countries prohibit unbalanced loads in excess of 16A (single-phase power only). The current limit in Germany is actually 20A, but this is due to come down to 16A in the near future.
  2. Single-phase e-car charging Car manufacturers can save money by just fitting cars with single-phase chargers. This is at the expense of consumers, who are still only able to charge with up to 16A single-phase power (see Point 1).
  3. Domestic supply: Many buildings have 25A protection. This means that the connected load available for charging e-cars is a maximum of 16A, as other domestic loads are usually drawing power at the same time.

The phaser meets all associated requirements, never draws more than 16A, but supplies 25A to the charger, halving charging times in the process.

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