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Modular brick · Supplemental
Zero Power Pack Module (FX brick)
Removable, hot-swappable module — run one or two. The FX-family removable second module (not a Power Tank).
Last updated: July 3, 2026
3.2 kWh usable · 3.6 kWh maxscaled to the 17.3 kWh flagship
Max capacity
3.6 kWh
Usable (nominal)
3.2 kWh
Form factor
Modular brick
Per module
3.6 kWh
Weight
19 kg (42 lb)
Energy density
189 Wh/kg
Model years
2013-2023
Cells
Farasis NMC · 28S
Pack weight is well-documented — sourced from newatlas.com, popsci.com. 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 this accessory is offered for:
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.