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Ignitions and Electrical Charging Systems

Odyssey

Extreme Series AGM Battery

$499.27 $350.19 Save $149.08

SKU: ODX-AGM34/78

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In Stock
Ships by Aug 4
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30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Odyssey ODX-AGM3478 Extreme Series AGM battery is engineered to meet the power demands of modern vehicles, which are increasingly equipped with numerous electronic components. Its construction utilizes pure virgin lead plates, enabling a higher density of plates compared to typical batteries. This increased plate surface area translates to substantially more power output. This battery offers exceptional performance, delivering twice the overall power and up to three times the service life of conventional batteries, with the capacity for up to 400 cycles at an 80% depth of discharge. It provides the massive starting power, rapid recovery, and deep cycling capability required by today's vehicles. Key specifications include 1500 Pulse (5-second) Hot Cranking Amps (PHCA), 850 Cold Cranking Amps (CCA), and 1250 HCA. The 20-hour nominal capacity is 68 Ah, with a 10-hour capacity of 62 Ah. Reserve capacity is rated at 135 minutes. The battery features both SAE top posts and 3/8 inch threaded side receptacles, with a torque spec of 60 in-lbs (6.8 Nm) for the side terminals only. Its operating temperature range is -40°F to 176°F (-40°C to +80°C).

MIA's Description

The Odyssey ODX-AGM3478 is an Extreme Series AGM battery designed for demanding automotive applications. It features tin-plated brass SAE automotive top posts and 3/8 inch threaded side receptacles, offering versatile connectivity.

This battery is constructed with pure virgin lead plates, allowing for more plates and greater surface area to deliver significant power. It provides up to twice the overall power and three times the service life of conventional batteries.

Fitment

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Specifications

BrandOdyssey
Part NumberODX-AGM34/78
CategoryIgnitions and Electrical

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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