Antigravity Restart Lithium Battery - Atx20-RS 680 CA

Antigravity Restart lithium battery with built-in jump-start technology for V-twin motorcycles. Lightweight, compact form factor replaces many OEM batteries while eliminating the risk of getting stranded with a dead battery on the road.

Features

• Built-in jump-start capability
• Lithium-ion with BMS protection (over/under voltage, thermal management)
• Real-time cell balancing
• Compact and lightweight compared to lead-acid
• Direct OEM replacement or custom application compatible

Specifications

• Brand: Antigravity
• Manufacturer Part #: AG-ATX20-RS
• UPC: 711811703386
• Cranking Amps: 680 CA
• Length: 4 in
• Width: 7.5 in
• Height: 6.5 in
• Weight: 4.3 lbs
• Country of Origin: China (Mainland)

Fitment

Fits V-twin motorcycles as a direct OEM replacement or custom application. Verify cranking amp requirements match the 680 CA rating before ordering. Not recommended for internally modified V-Twin engines.

Frequently Asked Questions

Will this battery work with my stock charger?

No — Antigravity recommends using a powersports-specific lithium battery charger to avoid damage and ensure proper charging.

Can I use this in a custom build?

Yes, but match the 680 CA cranking amps to your engine's requirements. Contact Antigravity if you're unsure about your application.

What warranty comes with this battery?

3-year pro-rated, nontransferable warranty. Registration with the manufacturer is required within 30 days of purchase.

Will this fit my internally modified V-Twin engine?

No — warranty is void if used in internally modified engines. Standard, stock-spec V-Twins only.

What makes the jump-start feature work?

Built-in restart technology allows the battery to self-jump if it drops to zero voltage, getting you back on the road without external assistance.