Antigravity Lithium Small Battery (ATX20-HD)
$449.99
Skip to product information
$449.99
Product Overview
The Antigravity ATX20-HD is a high-performance lithium battery designed for direct replacement of standard motorcycle and race car battery sizes. With 900 cranking amps and a compact 6.89 x 3.4 x 5.12 inch footprint, it delivers superior starting power and extended runtime. Weighing only 5.18 lbs, it significantly reduces vehicle weight while maintaining robust performance.
Key Features
- 900 cranking amps—up to twice the power of equivalent lead-acid batteries
- 30 amp hours (PbEq), 15Ah (actual) for extended runtime under load
- Safest lithium technology with full BMS including over-discharge, over-charge, and thermal protection
- Ultra-lightweight at 5.18 lbs—up to 70% lighter than lead-acid equivalents
- Lighted voltage indicator shows state of charge without RE-START function
- 4-terminal design enables simplified installation and secure mounting
Specifications
| Case Size | 6.89 x 3.4 x 5.12 inches (LxWxH) |
|---|---|
| Cranking Amps | 900 |
| Capacity | 30 Ah (PbEq), 15 Ah (Actual) |
| Weight | 5.18 lbs |
| Voltage Indicator | Lighted, no RE-START function |
| Battery Chemistry | Lifepo4 Lithium |
| BMS Features | Over-Discharge, Over-Charge, Thermal Protection, Cell Balancing |
| Mounting | Can be mounted in any orientation |
Applications
- Direct replacement for YTX15, YTX15L, YTX20, YTX20L, YTX20H, YTX20HL, YTX20-BS, GYZ20H, GYZ20L, GYZ20HL
- Stock motorcycles up to 1700cc
- Touring and adventure bikes requiring high power and amp-hour capacity
- Race cars of all types, including V-8 vehicles up to 700 horsepower
- Larger V-Twins up to 135ci (with compression release)
- Custom lightweight battery installations
What's Included
- Antigravity ATX20-HD lithium battery
- Install hardware