• Antigravity Atx20-HD - AG-ATX20-HD
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Antigravity Batteries

Antigravity ATX20-HD - AG-ATX20-HD

Antigravity ATX20-HD - AG-ATX20-HD

$449.99 USD
$449.99 USD
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Shipping calculated at checkout.
Want to be sure it fits?Parts can vary by year, make, and model. If you already know it fits, go ahead and order with confidence — no call required. If you’d like a hand, feel free to reach out and our techs will gladly confirm fitment for you. Email sales@jkloffroad.com, call or text 385-506-5883.

The Antigravity ATX20-HD battery is a High Power, lightweight lithium replacement for the popular YTX-20 size Lead/Acid battery. This is our HEAVY DUTY version, designed with significant Power and Amp-Hour Capacity in this popular case size.


YTX20 Standardized Case Size: 6.89 x 3.4 x 5.12 inches (LxWxH)

780 Cranking Amps

30 Amp Hours (PbEq), 15Ah (Actual)

5.18 lbs

Lighted Voltage Indicator to see state of charge (doesn’t have RE-START)

Safest Battery Technology using full BMS and Lifepo4 Lithium chemistry

Compatible with 10 OEM battery sizes (see below)

Replaces Lead/Acid: YTX15, YTX15L, YTX20, YTX20L, YTX20H, YTX20HL, YTX20-BS, GYZ20L, GYZ20H, GYZ20HL

Can be mounted in any orientation

⚠ WARNING: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.p65warnings.ca.gov.

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