The Antigravity ATX20-RS is a hi-power lightweight Lithium-Ion battery, built with our groundbreaking RE-START Technology (built-in jump-starting) so you won’t ever get stranded with a dead battery again!  Directly replace the popular YTX-20 Series Lead/Acid battery and others.
YTX20 case size: 6.89 x 3.4 x 5.12 inches (LxWxH)
680 Cranking Amps
20 Amp Hours (PbEq)/ 10Ah (Actual)
3.8 lbs