Tight battery box? Little clearance around the airbox or wiring harness? That’s where the Antigravity Small Case Lithium shows up useful. It’s a compact lithium pack made to fit where a regular battery won’t, and to shave a bit of weight on bikes where every pound counts. Comes in 8-Cell, 12-Cell, and 16-Cell options so you can pick the balance of starting power and capacity that suits the bike.
Why riders pick this for cramped installs
Small case actually means smaller. Not just “scaled down” — the footprint and height are cut to avoid trimming panels or modding mounts.
Lighter in the hand. You notice it when you carry the bike up the trailer ramp or tip the scales.
Multiple cell options let you match the battery to the application instead of over-spec’ing and adding weight.
Cleaner routing around the box — fewer clearance headaches with wiring, airboxes, and aftermarket parts.
Holds up to regular use; once tucked in, it mostly disappears from day-to-day thinking.
Practical fit and install notes
Check physical dimensions against your tray — small case helps but it’s not a guarantee.
Polarity and terminal type matter; you may need a short adapter or different terminal on some frames.
Use a compatible charger and follow lithium storage advice if the bike sits for long stretches.
If the bike has an older charging system, verify charging voltages — lithium chemistry is less forgiving than lead-acid.
For race or track bikes where every bit of weight and space counts, this is a common swap. For daily commuters, consider how you store and charge the battery.
Quality & build notes
Antigravity’s small case units keep the internals tight and organized — compact layout without feeling flimsy. Materials and assembly are focused on durability for normal riding conditions. As with any lithium battery, longevity depends on matching the battery spec to the bike and using proper charging/maintenance practices where applicable.
Available cell configurations
8-Cell — lower capacity, lightest option; fits very tight spots.
12-Cell — middle ground for balanced starting and run time.
16-Cell — higher capacity for bikes with bigger electrical loads or frequent starts.
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