Ignitions and Electrical Charging Systems

TwinPower

Twin Power GYZ-20H Premium MAX Battery Replaces H-D 65991-82B Made in USA 320 CCA

$184.99

SKU: T09O 485021

In Stock
In Stock
Ships by Jun 20
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Non-Returnable Item

Description

The TwinPower 485021 is a GYZ-20H Premium MAX AGM battery, designed as an advanced lead-acid type. It is supplied factory-activated, filled, sealed, and charged, offering extreme vibration resistance and heavy-duty terminals.

This battery provides higher cranking amps, features patent-pending embedded brass nuts, and offers better charge recovery capability. It is manufactured in the USA and comes with a one-year manufacturer's warranty.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandTwinPower
Part NumberT09O 485021

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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