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[Francois]

i heard that the chini of the 2013, 2014, 2015 is the same but beetwen the 2013-2014 and the 2015
11,4 to 12,5 a big difference same volume same weigth, it is only the range off utilisation the difference?
80v to 118v
the 2015 is the same?

[kensiko]

Same exact battery.

2015 got more batteries in the same package, that's all.

[Ndm]

I was under the impression that the batteries were just 2ah larger per cell,same amount and size though

[Doctorbass]

The new Farasis cells are 27Ah for the 2015 while the previous 2014 and 2013 had 25Ah cells.

Still the same voltage (28s) 102V nominal

Doc

[RNM]

3,65V * 28 S * 27 Ah * 4 P = 11.03 kWh
Right?

[protomech]

Correct.

[RNM]

And Zero uses 90% of that capacity?

[dkw12002]

The 2013 Zero S 8.5 curb weight is listed as 355 lbs. The 2014 Zero S 8.5 curb weight is listed as 367, and the 2015 Zero S 9.4 curb weight is listed as 376, so the bike is getting heavier each year.

[trikester]

That has been the trend since 2010. My 2010 DS was about 275 lbs but it was only 4 kWh.

Trikester

[protomech]

RNM: unsure how much capacity is actually available. I believe the 2012 bike BMS will shut off at 3.2 volts, which is around 97% DOD at 1C discharge for the farasis cells. The real available capacity is probably 92-95% of rated.

The 2013 Zero S 8.5 curb weight is listed as 355 lbs. The 2014 Zero S 8.5 curb weight is listed as 367, and the 2015 Zero S 9.4 curb weight is listed as 376, so the bike is getting heavier each year.

2014 S uses a beefier frame (19.5 lbs -> 22 lbs), beefier front forks and I think a purpose-built charger.

2015 S has standard ABS, upgraded forks shocks and tires, in addition to the higher capacity cells. Total cell weight for 2014 ZF8.5 is 40.7 kg = 90 lb; given the other upgrades and assuming Zero's weight specifications are accurate, it's likely the 27 Ah cells are slightly denser.

Comparing all the way back to 2012 S ZF9, the 2015 S ZF9.4 has piled on 36 more pounds. All else equal, I'd prefer a lighter vehicle, but it goes to good use here. The 2015 bike has about 20% more range in mixed riding and is twice as quick to accelerate to 60 mph.