This bothers me: If you fish around for a "deal" in aftermarket chargers, but intend to program a charger against your Zero with its extremely expensive battery and onboard systems, I have to assume you're just not prepared to pay for someone's valuable time, because it'll take quite some reading and experimentation and time to confirm a reasonably-safe basic result.
The 2.5kW PFC charger linked above at EVWest has a programmable interface by USB-to-serial, so it's a lot like the MBB or other embedded device firmware customization, just particular to charger controller operation.
The programming for these chargers varies considerably, but the very basic elements one can expect are that you're taking a CC-CV charger and changing the parameters in which that operates. BUT you need to ask the vendor specifically whether what you're buying will work fine in the voltage range of the Zero first, and then you go in and set the target voltage for 100% SoC or 80% SoC or whatever.
I have sent a few emails to Elcon WRT all this. They say perhaps the best way is to only charge to 90% SOC (112 VDC max) with their charger and then let the onboard take over for the last ten percent, for both safety and battery balancing. This will require no CANBUS signal from the bike.
But they say they can also build one that works with the bike's CANBUS that will charge to 100%.
I should soon be getting more emails from them.
BTW, I went down to
their place in Sacramento. A rather dumpy building in a dumpy area, but they say it's very rare for them to get any walk-in customers and they really have nothing there to see.
BTW, there are 20 J-1772's (ChargePoint) just across the street at the CA Lotto Building (rather large building with a large parking lot).
Around half of them (ten) were in use.
Any comments on the charging to 90% SOC?
-Don- Auburn, CA