General Disclaimer:   (HV) (DC) injury or death hazard,   use at your own risk,   may void warranty.


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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 |~-

Shanghai, China. May 31, 2009: Enginer Environmentech LLC to use Lithium Ion Phosphate battery.



Initially, Chinese company Enginer is offering the PHEV upgrade in two models: the 2kWh/4kWh for the Prius and the 4kWh L12 for the Ford hybrid SUVs. This innovation is not expensive. The kit will pay for itself in 2-3 years.


So Enginer will sell 1000 units for $1,200 each, 100 units for $1,500, or a single unit for $1995 plus an undetermined installation charge or the option of self installation after receiving training.

Enginer patent pending conversion method is licensed free for individuals and very minimum loyalty fee ($10/per device) for commercial companies.


2004-2009 Installation