Antigravity AT12BS-RS

The Antigravity AT12BS-RS RE-START Lithium Battery is a lightweight, high-performance motorcycle and powersports battery designed for riders who want to reduce weight without sacrificing reliable starting power. At only 2.3 lbs, the AT12BS-RS is a major upgrade over traditional lead-acid batteries, helping remove unnecessary weight from your motorcycle while delivering 360 cranking amps and 12Ah PbEq capacity.

Built as a direct lithium replacement for the OEM lead-acid YT12-BS battery, the Antigravity AT12BS-RS is ideal for sport bikes, performance motorcycles, track-day builds, and powersports applications where every pound matters. Its compact 5.9 x 2.7 x 5.1-inch case size makes it a strong choice for riders looking to modernize their electrical system while improving the overall power-to-weight ratio of their machine.

Featuring Antigravity’s RE-START Technology, the AT12BS-RS includes built-in jump-starting capability to help prevent being stranded by a deeply discharged battery. It also uses a full Battery Management System with protections against over-discharge, over-charge, and thermal issues, giving riders a lightweight lithium battery solution built for performance, reliability, and convenience.

Whether you are upgrading a street bike, building a lighter track machine, or replacing an aging lead-acid battery, the Antigravity AT12BS-RS lithium motorcycle battery offers a serious weight reduction advantage with dependable cranking power and modern lithium technology.

Battery Size Replaces: YT12-BS, YT12B-BS, YT12B-4, YT14-BS, YT14B-BS, YT14B-4