jray3
Posts: 1648
Joined: Tue Dec 06, 2011 1:05 am
Location: Tacoma area, WA
Contact: Website

Re: Replaced My Pack!

Mon Aug 19, 2019 9:51 pm

As discussed earlier, I have only the MUT3 scanner clone by iCarSoft. It doesn’t send commands beyond resetting OBD codes, as far as I can tell. Besides, if the factory says to only reset to a default capacity if the battery was manufactured within the past 6 months, would it not be unwise to do so with a 7 year old salvaged battery? A gradual learning process by the BMU seems wiser, especially with one cell showing weakness...
2012 i-SE "MR BEAN" 105,400 miles
2000 Mazda Miata EV, 78 kW, 17 kWh
1983 Grumman Kurbwatt EV,170 kW, 32 kWh
1983 Mazda RX-7 EV 43 kW 10 kWh
1971 "Karmann Eclectric" EV 240 kW 19 kWh
1965 Karmann Ghia Cabriolet

jray3
Posts: 1648
Joined: Tue Dec 06, 2011 1:05 am
Location: Tacoma area, WA
Contact: Website

Re: Replaced My Pack!

Tue Aug 27, 2019 3:05 pm

With capacity remaining at 30.5 amp hours for over a week with no improvement and the range estimates standing at 56 over several days of sedate wifely driving, I was presented with an opportunity for some more serious testing today. The first leg of today’s 75 mile outbound trip could have either been 24 or 50 miles so let’s go for it! We made it the 50.0 miles To the first DC Fast charging stop with the last mile on turtle, arrival state of charge was 7.5% (or 13% according to the Blink DCFC) The good news is that the lowest cell was only 0.03 V down and the second lowest in recent history; number 20, shared the same voltage reading. DCFC commenced at a healthy 119 A and continued down to no less than 30 A when it disconnected at 14 bars and 86.5% SOC (I had asked Blink to charge to 90% though the car usually stops at 80%).
After that hard highway drive, the 86.5% range estimate is 43 miles. Looking pretty good.
2012 i-SE "MR BEAN" 105,400 miles
2000 Mazda Miata EV, 78 kW, 17 kWh
1983 Grumman Kurbwatt EV,170 kW, 32 kWh
1983 Mazda RX-7 EV 43 kW 10 kWh
1971 "Karmann Eclectric" EV 240 kW 19 kWh
1965 Karmann Ghia Cabriolet

jray3
Posts: 1648
Joined: Tue Dec 06, 2011 1:05 am
Location: Tacoma area, WA
Contact: Website

Re: Replaced My Pack!

Sun Sep 29, 2019 3:57 pm

Measured pack capacity continues to climb slowly with use. My MUT3 clone now recognizes 33.3 Ah of capacity on the 2012 salvaged pack. I’m doing a lot of driving, as much as 170 miles per day and 3 to 4 DCFC sessions on weekdays and plugged in on L2 the rest of the time...
Cell #38 came back into line weeks ago and the hi/lo cell numbers now seem pretty random, with very little differences.
2012 i-SE "MR BEAN" 105,400 miles
2000 Mazda Miata EV, 78 kW, 17 kWh
1983 Grumman Kurbwatt EV,170 kW, 32 kWh
1983 Mazda RX-7 EV 43 kW 10 kWh
1971 "Karmann Eclectric" EV 240 kW 19 kWh
1965 Karmann Ghia Cabriolet

DBMandrake
Posts: 170
Joined: Mon Mar 20, 2017 4:57 am
Location: Scotland

Re: Replaced My Pack!

Tue Oct 01, 2019 5:59 am

So what you're confirming here is what we anticipated - it takes a LOT of driving for the BMS to gradually increase the estimated Ah capacity of the cells if you do a battery pack swap and don't tell it about it by doing the normal calibration routine...
- Simon

EV: 2011 Peugeot Ion
ICE: 1997 Citroen Xantia V6

jray3
Posts: 1648
Joined: Tue Dec 06, 2011 1:05 am
Location: Tacoma area, WA
Contact: Website

Re: Replaced My Pack!

Tue Oct 01, 2019 9:26 pm

Indeed, Mandrake- Point Proven as Expected, but not something that bothered me enough to purchase an expensive tool that I might need only once.
My car is currently at the dealer getting a warranty replacement of the onboard charger.
I'll see about having them do the recalibration.
2012 i-SE "MR BEAN" 105,400 miles
2000 Mazda Miata EV, 78 kW, 17 kWh
1983 Grumman Kurbwatt EV,170 kW, 32 kWh
1983 Mazda RX-7 EV 43 kW 10 kWh
1971 "Karmann Eclectric" EV 240 kW 19 kWh
1965 Karmann Ghia Cabriolet

DonDakin
Posts: 378
Joined: Wed Aug 15, 2012 7:10 pm

Re: Replaced My Pack!

Sun Oct 06, 2019 7:23 am

Hey Jray3,

I have been away from the forum for a long time. Still own 2 imievs that are still working nicely.

I was just wondering if your charger failed or if the dealer is just replacing chargers ? I got a letter in the mail recently saying the charger was under warrenty for 10 years now with unlimited KM's

Interesting read on the battery replacement and re-calibration.

Don.....

jray3
Posts: 1648
Joined: Tue Dec 06, 2011 1:05 am
Location: Tacoma area, WA
Contact: Website

Re: Replaced My Pack!

Wed Oct 09, 2019 10:21 am

Thx Don,
My OBC failed, so a dealer is replacing it with the updated design. They won't replace a functional OBC, and want to see the correct diagnostic code still being generated. A statement that I cleared the codes while trying to diagnose and restart the charger was sufficient to get the work approved after I delivered the car with bad charger. They wouldn't consider the replacement unless a failed charger was currently installed in the car, so I obliged. :roll:
2012 i-SE "MR BEAN" 105,400 miles
2000 Mazda Miata EV, 78 kW, 17 kWh
1983 Grumman Kurbwatt EV,170 kW, 32 kWh
1983 Mazda RX-7 EV 43 kW 10 kWh
1971 "Karmann Eclectric" EV 240 kW 19 kWh
1965 Karmann Ghia Cabriolet

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