Deka (East Penn)

Deka ETX Powersports Batteries

Deka ETX batteries by East Penn Manufacturing are built with Absorbed Glass Mat (AGM) technology for reliable, maintenance-free power across motorcycles, ATVs, UTVs, personal watercraft, snowmobiles, and scooters. The ETX line covers 11 battery sizes — from the compact ETX9 (8Ah / 120 CCA) to the heavy-duty ETX30L (26Ah / 400 CCA) — fitting over 1,000 powersports applications from brands like Honda, Harley-Davidson, Yamaha, Kawasaki, Polaris, and more.

Find the Right Deka Motorcycle Battery for Your Vehicle

Use our cross-reference tool below to find the exact Deka ETX battery for your vehicle. Search by vehicle type, make, and model — or enter a competitor part number like a Yuasa YTX or GYZ series to find the Deka equivalent. Each result links directly to the product page so you can check pricing and availability.

Why Choose Deka ETX AGM Batteries?

Not all powersports batteries are equal. The Deka ETX line uses true AGM construction — not conventional flooded technology — which means better starting power, longer service life, and no maintenance headaches.

Maintenance-free

Sealed AGM design means no water refills, no acid spills, and safe mounting in any orientation — upright or on its side.

High cranking power

Strong CCA ratings across all ETX sizes for dependable cold-weather starts and reliable power in high-demand applications.

Long service life

Low self-discharge rate and robust plate construction extend service intervals and reduce how often you’re shopping for a replacement.

Vibration resistant

AGM construction absorbs the shock and vibration common in off-road, sport, and touring environments where flooded batteries fail prematurely.

Direct-fit replacement

Each ETX model drops in as a direct replacement for Yuasa YTX, YTZ, GYZ series, and most OEM fitments — no modifications needed.

Made in the USA

East Penn Manufacturing produces all Deka batteries at their facility in Lyon Station, PA — one of the largest single-site battery plants in the world.

Not Sure Which Deka ETX Fits Your Vehicle?

Browse the full ETX lineup below, use the cross-reference tool above to confirm your fitment, or call us and we’ll find the right battery for your application before you order.

Shop Deka ETX Batteries →

Questions? Call us at 1-877-775-4381

 

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