Product Overview

Antigravity YTX20 Lithium Ion Battery

The Antigravity YTX20 Lithium Ion Battery is a high-performance upgrade designed to replace standard lead/acid batteries in the popular YTX20 size category. Compatible with common OEM battery designations such as YTX20, YTX20L, YTX20H, and YTX20-BS, this battery fits a wide range of motorcycles including Harley-Davidson, Victory, metric cruisers, touring bikes, and various powersports vehicles like ATVs, UTVs, and snowmobiles. Built with advanced lithium-ion technology, it delivers significantly higher cranking power while dramatically reducing weight.

Weighing just 4.68 lbs, the YTX20 provides over 2.5 times the cranking power of traditional lead/acid batteries, making it ideal for large-displacement engines and high-performance applications. With an impressive 780 cranking amps, it easily starts big V-Twin motors as well as high-horsepower automotive engines in racing environments. Designed for both reliability and versatility, it can also be adapted for automotive use with optional SAE terminal adapters, making it a powerful and compact solution across multiple applications.

Features:

• High-performance lithium-ion replacement for YTX20, YTX20L, YTX20H, and YTX20-BS batteries
• Delivers over 2.5x the cranking power of standard lead/acid batteries
• 780 cranking amps for strong, reliable starting performance
• Ultra-lightweight design at only 4.68 lbs
• Compact size with high power output for space-saving installations
• Can reduce weight by up to 14 lbs in motorcycles and up to 32 lbs in automotive applications
• Long shelf life—can hold a charge for over a year with no parasitic drain
• Durable all-brass terminal design for secure connections
• Compatible with optional SAE automotive terminal adapters
• Best Uses:
• Ideal for motorcycles up to 2600cc
• Perfect for large and high-performance V-Twin engines
• Excellent for touring, cruiser, and adventure motorcycles
• Suitable for high-performance automotive and racing applications
• Great for applications requiring maximum power in a compact, lightweight battery
• Technical Specs:
• Cranking Amps: 780 CA
• Battery Type: Lithium-Ion (LiFePO4)
• Weight: 4.68 lbs
• OEM Size Equivalent: YTX20, YTX20L, YTX20H, YTX20-BS
• Terminal Type: Brass terminals with optional SAE adapters
• Mounting: Multi-position (no acid or liquid)

Note: Please confirm specs and size requirements prior to ordering. We recommend charging and testing all batteries prior to using. Antigravity suggests using a modern voltage regulator from the mid 1980’s-Up. Damaged voltage regulators can overcharge and damage batteries.

Part Numbers