eMileage is no longer offering the Enginer Plugin Hybrid Electric Vehicle (PHEV) system for the Toyota Prius and other hybrids. You may wish to contact enginer.us for more information on a plug-in conversion upgrade. This system is capable of delivering exceptional mileage improvements to your already exceptional vehicle. With this conversion you could achieve a 40-100% increase in mileage and the corresponding reduction in emissions!

Enginer PHEV Conversions:

PHEV Conversion: Advanced Lithium Ion based power system is installed into the rear storage compartment of the Gen I, Gen II or Gen III Toyota Prius. It can even be mounted in the trunk of the Toyota Camry Hybrid! Please ask about conversions for other hybrid vehilces.

Current Pricing -- N/A

Contact Enginer.us


  • Stainless steel enclosure and hardware
  • Advanced 40AH LiFePO4 Battery Cells
  • Dimension: 22 in x 34 in x 8 in
  • Battery Life Cycle: >2000 Times (80DOD%) > 3000 Times(70DOD%)
  • Low Battery Protection
  • Automatic Cell Balancing
  • 48V 15A charger, full charge 3-5 hours
  • 48 VDC nominal pack voltage
  • Smart DC/DC Converter and Controller
  • Installed below deck, above spare tire
  • Range: 15-20km (Low Speed EV Mode), 20-40km (Plug-in Hybrid Mode) per charge. Auto-switch back to normal mode after.
  • Warranty: N/A

Hybrid Vehicle to Plugin Hybrid Electric Vehicle (PHEV) Conversion