$299.99
Unleash unmatched starting power and deep-cycle endurance with the Optima YellowTop Group 34/78 AGM Battery (OPT-D34/78-YT)—the #1 dual-purpose automotive AGM battery trusted by off-roaders, tuners, and daily drivers. Engineered with SpiralCell® technology and pure lead-tin plates, this 12V 750 CCA, 55Ah battery delivers 3X longer life, 15X more vibration resistance, and up to 300 deep discharge cycles—perfect for high-drain accessories, winches, audio systems, lift kits, and extreme conditions.
Featuring dual SAE & GM side terminals, this sealed, maintenance-free AGM battery is spill-proof, mounts in any position, and recharges 2X faster than flooded batteries. Ideal for Jeep, Ford F-150, Chevy Silverado, RAM, Toyota Tundra, SUVs, and performance vehicles needing reliable cold cranking and reserve capacity.
Searching for the best Group 34/78 AGM battery or deep cycle truck battery? The Optima YellowTop D34/78 dominates as the top-rated dual-purpose automotive battery, outperforming RedTop and BlueTop in versatility, longevity, and extreme-duty performance.
Only at Battery Joe – your #1 online shop for AGM car batteries, truck batteries, deep cycle batteries, and high-performance automotive power. Same-Day Shipping · 30-Day Returns · 100% Genuine Optima
Fitment: Direct replacement for Group 34, 34/78, 78 — fits Ford, GM, Chrysler, Jeep, RAM, Toyota, Honda, and more. Verify terminal layout.
Add to cart now — power your build with the best-selling YellowTop D34/78 AGM battery. Limited stock — upgrade today!
16 in stock
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| Feature | Description |
|---|---|
| Product Name | Optima Group 34/78 High Performance Car, Truck and SUV Yellow Top AGM Battery |
| Model/SKU | OPT-D34/78-YT (D34/78) |
| Compatibility | Cars, trucks, SUVs, RVs, and other vehicles requiring Group 34/78 battery; dual-purpose for starting and deep-cycle applications including vehicles with high electrical demands, winches, or accessories |
| Design | Hexagonal six-pack shape with Spiralcell AGM construction; non-spillable, mountable in any position; top and side terminals for versatile installation |
| Protection Level | Up to 15 times more vibration resistant than traditional batteries; withstands extreme temperatures and shock; leak-proof and maintenance-free |
| Key Technology | SPIRALCELL™ technology with 99.99% pure lead plates for low internal resistance, faster recharging, and superior power output; over 300 deep discharge/recharge cycles |
| Additional Features | Up to 3 times longer life than standard flooded batteries; rapid recharge capability; handles high electrical loads from electronics and accessories |
| Specifications | Voltage: 12V; Capacity: 55 Ah; Cold Cranking Amps (CCA): 750; Cranking Amps (CA): 870; Marine Cranking Amps (MCA): 870; Reserve Capacity (RC): 120 minutes; Dimensions: 10.06″ L x 6.88″ W x 7.94″ H (256 x 175 x 202 mm); Weight: 43.5 lbs (19.7 kg) |
| Warranty | 36 months free replacement for passenger vehicles/light trucks (non-commercial); 12 months for commercial vehicles; deep cycle/car audio applications not covered |
| Color/Finish | Yellow top with gray polypropylene case |
BATTERY; OPTIMA; 8014-045; YELLOW; 12V; 750CCA; 870CA; TOP/SIDE TERM; BCI-D3478 OPTIMA 8014-045 78DT YELLOW DUAL PURPOSE (was OPT-D34/78YT)
| Weight | 43.5 lbs |
|---|---|
| Dimensions | 10.06 × 6.93 × 7.87 in |
| UPC | *721112827056* |
| Additional Description 2 | OPTIMA 8014-045 78DT YELLOW DUAL PURPOSE (was OPT-D34/78YT) |
| Additional Description 1 | BATTERY; OPTIMA; 8014-045; YELLOW; 12V; 750CCA; 870CA; TOP/SIDE TERM; BCI-D3478 |
| Amp Hours | 55.0000 |
| Category Code | NEW BATTER |
| CCA | 750.0000 |
| Chemistry | AGM Lead-Acid; Sealed; Non-Spi |
| Group Size | 34/78 |
| Internal ID | 431 |
| Profile Code 2 | AUTOMOTIVE |
| Sub Category Code | AUTOMOTIVE |
| Volts | 12.0000 |
| Warranty | 12 |
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