Here is the thing(go to Prius Chat)
Enginer Kit owner's from what I have read have had componet failures either with the dc-dc converter ,bms, or other componets. Enginer has address some of those concerns. These failures have occurred whether diy self installed or "pro" installs.
Some Enginer phev owners have changed over to hybrid interface BMS plus to gain a more reliable,quality, and control with battery pack.
Plus enginer has the drawback of limited amps going into the oem pansonic battery pack versus the other guys which use a contacter with a 200amp transfer.
I am not of the "mindset" looking to recover gasoline cost. I just "like" the "mod" and "like" a challenge.
Plug in Supply is currently selling DIY items now for phev.
For further reference go to prius chat/gen 2/modifications/plug in mod/plan "canview" and bms with lithium. Read the entire thread.also read phev eaa.
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