What if you DON'T charge a plug-in hybrid vehicle...?

What I mean is, what if you leave a plug-in hybrid uncharged for... lets say... two to three nights. Would that change the performance of the vehicle? Oh, and how much electricity would the car gobble up overnight if you charged it at home?

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Hydrid means it run on two sources. When the petrol engine take over, it will inturn charge the battery. If you drive the car often & reasonable distance, it will be ok otherwise you should charge at least once in 2 days if not every night.

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Answers:    Hi,

Short answer:

No matter what, a plug-in hybrid still has the basic hybrid system in place- the electric drive motor, hybrid storage battery stack, and gasoline engine. That means the vehicle will still move, no matter what charge the add-on plug-in system has. So the original hybrid system characteristics will be there, but the vehicle will have additional weight from the plug-in components, so performance will be slightly lower.

The conditions for electric current depletion will vary. It also depends what plug-in system has been installed.

And the cost of recharging varies based on the system installed and the local cost of electricity for the consumer. There is no hard and fast answer there.

Full answer:

A plug-in system can use a variety of electric current controls and various types of storage batteries.

The thing to keep in mind is that even a fully charged plug-in hybrid can be overcome and the gasoline engine started if the driver accelerates too fast or drives so far that the electric charge of the plug-in is depleted.

Currently, almost all plug-in conversions are done using Toyota Prius' because of the larger electric drive motors and the larger hybrid storage batteries that are already in place.

A top-of-the-line plug-in system will use well-developed computer controls to regulate and ensure the current flow lasts as long as possible. Along with those CPU's, lithium-ion (Li-ion) storage batteries can be added to the original storage battery that came with the vehicle.

This combination allows a Prius to travel relatively long distances under electric-only power with relatively high speeds. The actual quotes of distances and speeds from Hybrids Plus out of Boulder, CO, an after-market converter, are below. The website addy for their FAQ's is:

http://www.hybrids-plus.com/ht/faq.html#...

The distance/speed varies because you can travel farther with slower speeds or shorter distances if you are going faster, not both for extended periods.

There are also systems that use lead-acid batteries, which are fairly cheap and reliable, but very heavy and don't hold much charge (compared to Li-ion or nickel metal hydride).

The pricing difference can be between $10,000-32,500 (or more) additional for an after-market plug-in system.

To quote Hybrids Plus:
"1.3  How far can you go on a charge?
For a Prius PHEV-30, the quick answer is:
Driving slower than 34 mph: about 30 miles in Pure Electric Mode

Driving up to highway speeds: about 60 miles in Mixed Mode (gasoline + electricity), with about 100 mpg efficiency

For a Prius PHEV-15, the distance will be about 15 miles on Pure Electric Mode, about 30 miles in Mixed Mode.

After the battery is discharged, you still get the original 50 mpg efficiency of the Prius."

And:
"5.1  How much does the conversion cost?
Presently, the cost of a Prius conversion, done by Hybrids Plus, in Boulder, CO, is:

$ 24,000 for the PHEV-15
$ 32,500 for the PHEV-30
Most of this is to cover the cost of the high quality, LiIon cells.

This price does not include the vehicle, nor tranportation of a vehicle to and from Boulder."

Adding a $24,000-32,500 system that only gets an additional 15-30 miles (under good conditions and careful driving) to a $25,000 vehicle is not what most people are going to do.

And with mass production, a plug-in system will still be at least a $4-5,000 option, even offered by auto manufacturers.

Each hybrid vehicle manufacturer is experimenting with plug-in systems to judge the return on the cost of the system. Plug-ins still don't make sense in pure economic terms for the majority of Americans.

But they possibly become more in demand as people look for other ways to do something about fuel consumption in general.
Hydrid means it run on two sources. When the petrol engine take over, it will inturn charge the battery. If you drive the car often & reasonable distance, it will be ok otherwise you should charge at least once in 2 days if not every night.

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