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Plug-In Hybrids

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Click show for a short list of the current PHEV conversion and kit options for the Toyota Prius.

For Prius conversion details see the Prius PHEV article and comparisons table.

  1. Ron's Original PriusPlus History and current Contactor Based PriusPlus documentation for DIY projects.
  2. Ryan's PriusBlue is the testbed for DC-DC PFC Based PiPrius kits and documentation for DIY projects.
  3. Toyota OEM Prius PHEV and Prime Could use some work on this page
  4. Enginer China. But the rest of these appear to all be defunct as of 2020?
  5. |~- Hybrids-Plus USA/Colorado/Li -~|~- EnergyCS USA -~|~- Hymotion USA/Canada -~|~- Amberjac UK. -~|~- EDrive USA -~| Peter mentioned Plug-In Conversions |~-

A W:Plug-in Hybrid Electric Vehicle (PHEV) or gas-electric hybrid fueled vehicle is a hybrid which has additional battery capacity and the ability to be recharged from an external electrical outlet. In addition, modifications to the vehicle's control software may be required. The vehicle can be used for short trips of moderate speed without needing the W:internal combustion engine (ICE) component of the vehicle, thereby saving fuel costs. In this mode of operation the vehicle operates as a pure W:battery electric vehicle (BEV) with a weight penalty (the ICE). The long range and additional power of the ICE power train is available when needed.

PHEVs are commonly called "grid-connected hybrids," "gas-optional hybrids" (GO-HEVs), "full hybrids," and are sometimes called PHEV-30 for instance, to denote a hybrid with a 30-mile (50 km) electric range. Compared to a HEV-0 (a non-plug-in hybrid), or BEV/PHEV-300 in the case of the 300 mile tzero EV with its gasoline-fueled range extending trailer. While Ford, GM, and Toyota have all used the term "Full Hybrid Technology" to describe configurations that allow electric-only operation at low speeds, they can not plug in to recharge the battery. Two other PHEV names used by a major U.S. automotive supplier and in a 1999 SAE paper are "energy hybrids" and "true hybrids". PHEVs can also operate in a blended mode where both gasoline and external electricity are used simultaneously to increase gasoline mileage for a particular range, usually double that of its electric-only range. Connected vehicles also make possible Vehicle-to-grid applications which could provide many advantages to both grid operators and vehicle owners.

Prius PHEVs

There have been a number of successful Prius conversions. Ron of CalCars has a PbA conversion named PriusPlus and has a fantastic new kit that costs only 1650.00 for 2010 priusEDrive is expected to use Valence Li-ion batteries in conversions for consumers. Both are based on the 2004 or newer (Gen2) Toyota Prius and are now capable of charging from the grid using standard 120V AC outlets. They can operate as pure EV's at speeds up to 34 mph for the range of their larger batteries, which is about 10 miles for PbA and 30 miles with Li-ion batteries. They are also delivering vastly improved mileage at higher speeds in an EV-Heavy type of blended mode which delivers roughly twice the gasoline mileage during trips of twice their electric ranges (20 and 60 miles). Of course one should also consider the electric power required to recharge in these 100+ mpg situations (<$1 per gallon equivalent). During extended drives they operate just as a normal Prius and deliver their usual mileage. A purpose build PHEV would most likely be freeway capable in an electric only mode just like SEVA:Electric vehicles are.

Other Vehicles



See also


Hope it makes it into production and has 50 to 100 miles of EV range, which would be easy with modern Lithium.