Re: Zeva or Orion Jr. BMS for a 14 cell Leaf conversion..?
The easiest to install is the Zeva. I have an Orion Jr. over 3 yrs old. You will a more thorough electrical knowldge to install the Orion Jr and it is a lot more expensive than the Zeva. On the other hand, having access to a great vendor in Ewert Energy Systems in the US, which designs and builds them is very handy. Had mine installed for over three yrs and performance has been excellent. I see they have a new WiFi connection. For quick check of the pack, I use my Android phone and the Torque App with an OBD2 bluetooth connection. Programming is done with a laptop and their software and serial cable.
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