There was a Chinese guy started to sell phev kits for Prius, Hybrid Escapes and others.
It was a 4-8 kWh 24 volt battery. It was boosted to the cars high voltage battery by an inverter and wired in parallel.
I had one. Results were ok.
The week point was the inverter.
The company was called...
Wife "needed" to replace our 18 years old he fridge. Nothing wrong but want me enough?
Whatever, tired of arguing.
Even the appliance sales guy at a small dealer said the new models only last 5-8 years.
Makes me reconsider mine on order. My 2012 Chevy volt with 139k miles is solid as new. As stated just because it's a $25 k truck doesn't me it should've be assembled properly