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[quixotic]

So, I do think a careful inspection of the BMS (with photos) behind the front cover of the pack is in order. I don't know how to instruct you on electrical safety properly from afar, but know that the full pack 116V goes though there, so take care to retrieve/retain any bolts or washers with magnetic-tipped tools, and wrap any long tool elements (screwdriver shaft, wrench handle) with electrical tape to avoid making a contact between a live terminal and ground.

Thanks.  I'll give it a go on the weekend (I've got a weird, frame-mounted fairing enveloping the bike, so it's a bit of a chore to even get to the battery). 

[BrianTRice@gmail.com]

So, I do think a careful inspection of the BMS (with photos) behind the front cover of the pack is in order. I don't know how to instruct you on electrical safety properly from afar, but know that the full pack 116V goes though there, so take care to retrieve/retain any bolts or washers with magnetic-tipped tools, and wrap any long tool elements (screwdriver shaft, wrench handle) with electrical tape to avoid making a contact between a live terminal and ground.

Thanks.  I'll give it a go on the weekend (I've got a weird, frame-mounted fairing enveloping the bike, so it's a bit of a chore to even get to the battery). 

Yes, I remember your fairing very well. I'm glad you still use it. Take care and good luck.

[BrianTRice@gmail.com]

Speaking of batteries and vehicle ranges, I saw a report regarding a new Indian electric scooter with a 6kW motor and a 2.9kWh battery pack. The claimed range, using some sort of Indian government standard, was 116 km. Or 85km in the city - but likely not in "Warp" mode. Seems a bit much to get out of that size battery pack to me.     https://electricmotorcycles.news/ather-energy-is-redefining-urban-mobility-in-india-with-the-ather-450x/

Please stay on topic. I need to track this to enhance the battery troubleshooting topic on the unofficial manual.

[quixotic]

Sorry for the silence. _____ has been helping me (via email) to communicate with the battery via teraterm.  Some delays, since a) the bike still works just fine, but with a slightly reduced range (and I'm fairly lazy), and b) the cord plug conductors had to be shipped in from overseas.

Anyway, I now have teraterm spitting out bits of meaningless (to me) text every 10 seconds, which I assume correlates to the info for an individual cell every 10 seconds.  My questions now are:

Is my assumption about each text stream corresponding to a single battery cell correct?

and:

how many cells are in a 2013 Zero?

[TheRan]

It'll be 28 in series for ~116v, how many in parallel depends on the capacity. I think it's 2 for a half brick and 4 for the full brick (so 7.2 and 14.4 in today's models) so 56 and 112 cells respectively.

[Gains]

It'll be 28 in series for ~116v, how many in parallel depends on the capacity. I think it's 2 for a half brick and 4 for the full brick (so 7.2 and 14.4 in today's models) so 56 and 113 cells respectively.

It is three bricks or four bricks so in total 84 cells or 112 cells   

[TheRan]

So did they not have a half capacity version back in 2013 but instead a 3/4? I couldn't find anything in the unofficial manual about the different capacities over the years, I just assumed it was always either full or half.

[quixotic]

Thanks for that.  I guess I should unplug the headlight while the data is being spit out, since by my calculations, it'll take about 20 minutes.

[TheRan]

Why unplug it? Are you worried about the power usage? A 60W bulb running for 20 minutes isn't going to make the slightest bit of difference, you could leave it on for days on end before running the battery down.

[quixotic]

Why unplug it? Are you worried about the power usage? A 60W bulb running for 20 minutes isn't going to make the slightest bit of difference, you could leave it on for days on end before running the battery down.

Good to know.  I'll leave it as is...especially since it's a supreme pain to unplug the aftermarket headlight on my bike.

[AutoE]

My 2013 only gets used in the summer months, so in the winter, it has been stored in a somewhat heated garage (perhaps down to freezing at times), and charged every 90 days or so (as per the manual).  But I've noticed that now it will only charge up to 8 bars on the speedo indicator (or the single red and double green lights on the battery indicators). I can leave it charging (via 110 volts), but at some point, it just wants to go to the "unbalanced" indicator (the 3 alternating flashing green lights).  Is the battery on its way out?  (The bike still seems just as responsive as it ever was).

Thanks in advance for any info.

ALL 2013 batteries were replaced. Did you not receive a replacement?

[Crissa]

ALL 2013 batteries were replaced. Did you not receive a replacement?

No, all 2012 S-platform were.  Some 2013 batteries were, but no 2013 S were recalled for that reason.
https://motorcycleviews.com/recalls/rec13v257000.htm

-Crissa

PS Fixed for clarity, thanks Auriga.

[Auriga]

Technically all S/DS of 2012 were recalled, the FX platform was not. But you're right about 13 MY. 
https://motorcycleviews.com/recalls/rec18v215000.htm

[AutoE]

The bulletin we received was that ALL 2013 owners were to be offered replacement. Still waiting on a 2015 recall.

[Crissa]

There aren't other bulletins out there.  That's why I found their numbers.

https://motorcycleviews.com/recalls/motorcyclerecallsforzero.htm

Handy dandy little site.  Hope it pays for itself.

-Crissa

-Crissa