Quick view Compare Antigravity Batteries® ATX20-RS Lithium Ion Battery w/ BMS & Re-Start Technology - 680cca 3.8 Pounds 20Ah - Replaces YTX15, YTX15L, YTX20, YTX20L, YTX20H, YTX20HL, YTX20-BS, GYZ20H, GYZ20L, GYZ20HL Now: $319.49 Add to Cart