Motoring Electric

What happens when an electric car runs out of battery charge?

Motoring Electric logo Motoring Electric 02.12.2021 09:47:42 Peter Burgess

Flattening your electric car's battery is something to avoid if possible. The inconvenience it causes will be major - and it may affect the long-term health of the battery.

With an electric car, there will be no friendly good Samaritan with a can of volts to pour into your tank. Or indeed to give you a quick jump-start. The likelihood is your EV will need to be loaded onto a trailer and towed to a charging point.

You'll then have another long wait before the batteries have charged sufficiently to continue your journey.

The chance of being left stranded should be slim. The battery gauge will give you plenty of warning, and your satellite navigation or Zap Map will point you to the nearest charging point when you need it.

The majority of electric cars also have an inbuilt de-powering system. If the electronics detect you are close to running flat, the power available to drive the car will be decreased and the speed limited. This should give you the best possible chance of reaching a charging point.

You can't tow an EV in the old-fashioned sense, with a rope or bar behind another vehicle. This is because of how the electric motors are connected to the wheels, including the absence of a neutral gear.

You need to refer to the specific instructions for each car. Most need to be loaded onto a flatbed trailer, but some can be towed on a 'dolly' where the front wheels are raised and the rears remain on the road.

Some breakdown recovery companies have already responded to the growth of electric cars. Many RAC patrol vans, for example, are now fitted with a lightweight electric car chargers to help motorists reach the next charging point.

It's called RAC EV Boost and has been developed in-house by the company. It works from a second alternator fitted to the engine. It is currently a 3.5kW device, but there's already work underway to boost this to 7kW.

It doesn't require vans to lug around heavy batteries, either. Power is generated from running the van's engine long enough for motorists to reach the next available EV charger. This could take as little as 10 minutes by the roadside.

Vans carry EV Boost branding and a bright green logo. This alone, hopes the RAC, might play a part in helping motorists overcome range anxiety, by knowing help is at hand in an emergency.

ALSO READ:

How do I get an electric car charger installed at home?

What is regenerative braking - and why do electric cars use it

Why are electric cars less efficient on the motorway?

The post What happens when an electric car runs out of battery charge? appeared first on Motoring Electric.

jeudi 2 décembre 2021 11:47:42 Categories: Motoring Electric

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