mckemie
Well-known member
It occurs to me that this is a "don't diddle with the Nissan stuff" way to add energy capacity:
Pull out back seats and put in around 500 pounds of LFP cells. Add BMS, charger, and inverter. Plug in Phil's modified Panasonic EVSE.
"Nice to have" perturbations:
1) charge Nissan pack while driving
2) charge LFP pack from Nissan side of the J1772 port
500 lb of LFP should provide about 20KWH of energy. Getting it into the Nissan pack would entail losses in both the inverter and Nissan charger. Maybe 10% in each? Maybe 16KWH of usable energy? At 4.5 miles per KWH, that would be about 72 additional miles.
I'm not yet ready to pull the seats out of my brand new Leaf, but I'm intrigued with the idea. I'm forced to compare my 90-100 mile Leaf to my 120-150 mile conversion (with about 40 KWH worth of TS-LFPs) and the Leaf is coming up short.
Can anyone shoot down these ideas? Other comments? Has anyone else proposed doing something like this?
Are my guestimates on the charger and inverter losses about right?
I have used the Leaf to haul 12x48lb boxes (576 pounds) plus about 400 pounds of driver and passenger; the Leaf seemed to handle that weight ok.
Pull out back seats and put in around 500 pounds of LFP cells. Add BMS, charger, and inverter. Plug in Phil's modified Panasonic EVSE.
"Nice to have" perturbations:
1) charge Nissan pack while driving
2) charge LFP pack from Nissan side of the J1772 port
500 lb of LFP should provide about 20KWH of energy. Getting it into the Nissan pack would entail losses in both the inverter and Nissan charger. Maybe 10% in each? Maybe 16KWH of usable energy? At 4.5 miles per KWH, that would be about 72 additional miles.
I'm not yet ready to pull the seats out of my brand new Leaf, but I'm intrigued with the idea. I'm forced to compare my 90-100 mile Leaf to my 120-150 mile conversion (with about 40 KWH worth of TS-LFPs) and the Leaf is coming up short.
Can anyone shoot down these ideas? Other comments? Has anyone else proposed doing something like this?
Are my guestimates on the charger and inverter losses about right?
I have used the Leaf to haul 12x48lb boxes (576 pounds) plus about 400 pounds of driver and passenger; the Leaf seemed to handle that weight ok.