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Modular brick
Zero ZF6.5
Removable, hot-swappable module — run one or two. The FXS pack: two ~3.25 kWh modules, or a single integrated 6.5 kWh brick.
Last updated: July 3, 2026
5.7 kWh usable · 6.5 kWh maxscaled to the 17.3 kWh flagship
Max capacity
6.5 kWh
Usable (nominal)
5.7 kWh
Form factor
Modular brick
Per module
3.25 kWh
Weight
≈ 38 kg (84 lb)
Energy density
171 Wh/kg
Model years
2016-2018
Cells
Farasis NMC · 28S
Pack weight is an approximate figure — sourced from ZF6.5 = two removable modules; ~19 kg each. Sources: zeromanual.com, engadget.com, webbikeworld.com (curb-weight delta). Zero doesn't publish most pack weights, so these are cross-checked against reviews and curb-weight deltas. Energy density = max capacity ÷ pack weight.
Motorcycles that mount it
Zero models that shipped with this pack:
Other packs for these models
Alternative or successor packs offered on FX, FXS.
Riding one of these?
Set this exact pack on your bike and track its real capacity retention from your logs.