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Ignitions and Electrical› Charging Systems

Optima

RedTop 35 AGM Battery

Name: RedTop 35 AGM Battery
Brand: Optima
SKU: OPT-35-RT

$311.45 $271.59 Save $39.86

SKU: OPT-35-RT

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Overview

The Optima Group 35 Red Top Battery is a high-performance AGM battery designed for reliable starting power. It features Spiralcell technology and delivers 720 cold cranking amps with a 12-volt output. This battery is a Group Size 35, ensuring a precise fit for many vehicles and applications.

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The Optima Group 35 Red Top Battery is engineered for superior starting power and durability. Utilizing high-performance AGM technology and Optima's signature Spiralcell design, this battery is built to deliver a strong burst of ignition power for reliable start-ups every time. With 720 cold cranking amps (CCA) and a 12-volt output, this battery is well-suited for basic electrical demands. Its Group Size 35 ensures a precise fit for numerous vehicle applications. The battery chemistry is AGM (Absorbent Glass Mat), known for its vibration resistance and ability to be mounted in virtually any position. The RedTop is also maintenance-free, offering a long service life and faster recharging capabilities. Key specifications include a C20 Capacity of 44 AH and a Reserve Capacity of 90 minutes at 25 amps. The dimensions are L: 9.38'' x W: 6.75'' x H: 7.68'', and it weighs 31.70 lbs. This battery comes with a 36-month warranty, providing peace of mind for your investment. Optima batteries are also designed with extreme resistance to common causes of battery failure, including up to 15x more vibration resistance and up to 3x longer service life compared to conventional batteries.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

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Specifications

Brand	Optima
Part Number	OPT-35-RT
Category	Ignitions and Electrical

Videos

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Returns & Fitment

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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