Antigravity Batteries ATZ7-8 8-Cell Battery Ruckus Metropolitan C3

Antigravity Batteries ATZ7-8 8-Cell Battery Ruckus Metropolitan C3

Antigravity ATZ7-8 is a 8 cell Lithium battery that produces 240 cranking amp power! Have a high performance race engine with high compression? No problem! This battery is the same size as the OEM YTZ7 batteries! Total weight for this 8-cell battery is 1 pound! Replace your existing battery and save weight! Directly replace/upgrade for Honda Ruckus, Yamaha C3, Honda Metropolitan, custom built cafe racer, classic bikes, race bikes, race cars, and other bikes that uses YTZ7 size batteries.
$162.00 Out of stock


Availability: Out of stock

The Antigravity ATZ7-8 Lithium Motorsports Battery is a Hi-Power Lithium Replacement for the  OEM Lead/Acid YTZ7S found in so many bikes including most all Enduros.   But the Nano-Phosphate Lithium  Antigravity ATZ7-8 offers massive weight savings over the Lead/Acid version and has over TWICE the cranking amps resulting in much better starting performance with a faster turn over of the motor and higher voltage on startup.  In addition, the Antigravity Battery offers a  big weight reduction.



  • -Direct drop-in Lithium replacement for OEM Lead/Acid YTZ7S
  • -High Power, Ultra Lightweight Lithium Nano-Phosphate Motorsport Battery
  • -Double the power and 50% weight savings over Lead/Acid Version.
  • -Over 35% more Power than the comparable Shorai battery.
  • -Can hold a charge up to a year provided there are no ”Parasitic Drains” (accessories that draw power when the bike is off…such as alarms, ECUs, iPods, GPS , heated grips etc…)
  • -3-Year Warranty standard use—-check manufactures website for details  (
  • -Waterproof
  Best uses
  • -Capable of everyday use in bikes up to 600cc
  • -Race use for Enduro and MX electric start bikes up to 800cc.
  • -Race and Track Day use up to  1200cc  (If you have a higher-performance motor choose the Antigravity AG1201)
  • -Custom builds like cafe racers or small bore customs up to 800cc.   (Please note if you own older classic bikes from the mid-1980s and earlier you should update the charging systems to a modern voltage regulator if you have the older style system with a voltage regulator. Damage can occur if overcharged.)
  Technical Details
  • -240 Cranking Amps
  • -9Ah (PB Eq)
  Dimensions and Weight
  • USA SIZE  4-7/16" Width x 2-3/4" Depth x 4-1/4" Height     (Height is measured to the top of the terminal bolt heads)
  • USA WEIGHT     16oz
  • METRIC SIZE  113mm Length  x 70mm  Depth x 107mm  (Height is measured to the top of the terminal bolt heads)


  • Never use a Lead/Acid charger on lithium batteries. 
  • Do not allow any lithium batteries to over-discharge below 10.5v.


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