4kwh Plug-in Upgrade for 2004-2009 Prius: $5500 installed - APPROX $1500 after Colorado Tax Rebates for CO residents

Performance: Vehicle is generally driven in "blended mode," where kit battery assists gas engine in charging stock battery - this means the engine does less work, and uses less gas. System provides Plug In assist for up to 40 miles after each charge.  In highway driving, this translates to about a 20-40% improvement in fuel economy. In the city, with some practice, you can really take advantage of this system. With full batteries, you can drive up to a few miles at a time in EV mode. EV mode uses only the electric motor, and can be used at speeds below 34 mph. In local driving, many people see a 40-100% improvement in fuel economy.

Features: Professional installation, 4kWh lithium battery pack, 120V charger (with plug on bumper), DC converter, battery management system, enclosed stainless steel box that fits below trunk deck, EV mode switch (installed on dash), ScanGauge car computer, Killawatt Meter, 3-year manufacturers warranty on all parts. 90 days labor warranty.

 

10kwh Plug-in Upgrade for 2004-2009 Prius: $12000 installed - AROUND $5000 after Colorado Tax Credits for CO residents

Performance: Vehicle can be driven in forced EV mode "around town" up to 52 mph. This means that only the electric motor can be used for trips up to 30 miles. For drives where highway or hilly driving is anticipated, driving in blended mode allows our battery to assist the gas engine, resulting in much improved fuel economy.  For Prius owners who drive around 80 miles per day or less, you'll almost always average 80-100MPG. Some of our customers even average over 100MPG!

Features: Professional installation, 8kWh lithium battery pack with 2kWh upgrade (total 10kWh), 120V charger (with plug on bumper), battery management system, Aluminum battery box that fits below trunk deck, PHV switch (installed on dash), forced EV button, ScanGauge car computer, Killawatt Meter, 2-year parts and labor warranty on everything except cells (1 year on cells).