$269.99
The Optima Group 34/78 Red Top Automotive Starting Battery (OPT-34/78-RT) is a premium high-performance AGM battery engineered for unbeatable starting power and unmatched reliability in demanding automotive applications. As the ultimate choice for trucks, SUVs, hot rods, street cars, high-performance vehicles, and classic cars requiring a robust starting battery, this Optima RedTop 34/78 delivers exceptional cranking performance even in extreme conditions.
Key features and benefits include:
Whether you’re upgrading your daily driver, enhancing a performance build, or seeking a durable replacement for marine, automotive, or specialty vehicles, the Optima RedTop 34/78 stands out as a top-tier AGM starting battery trusted by enthusiasts and professionals alike for its extreme resistance to common failure causes like vibration, heat, and deep discharge in starting applications.
Choose the Optima Group 34/78 Red Top for premium quality, long-lasting power, and peace of mind on every start. Perfect fit for vehicles specifying BCI Group 34/78 batteries.
35 in stock
Local Pickup & Delivery Orders are only available within a 25-mile radius of your local Battery Joe location.
Ship-to-Home:
Please note that ship-to-home options are unavailable for automotive, commercial, golf cart, industrial, and marine/RV batteries to ensure safe and compliant handling. However, you can still enjoy convenient local delivery or in-store pickup for online orders in these essential battery categories. In addition, we do not ship to Alaska or Hawaii at this time.
Battery Joe’s ship-to-home policy provides convenient delivery options to customers throughout all 48 contiguous states in the Continental United States.
Local Pickup:
Orders placed during business hours are typically ready within one hour and available for pickup up to 30-minutes before closing.
If your order is placed within the last hour of business, please call the store after placing your order to confirm it can be prepared in time.
Orders placed after hours will be ready for pickup the next business day.
Local Delivery:
Delivery times may vary based on order volume and location.
Orders placed within one hour of closing will be delivered the next business day.
| Attribute | Details |
|---|---|
| Brand | Optima |
| Model / Part Number | RedTop 34/78 (OPT-34/78-RT, 8004-003, 9004-003) |
| Battery Type | Automotive Starting (REDTOP® Series) |
| Technology | AGM (Absorbed Glass Mat) with Spiralcell Design |
| Voltage | 12 V |
| Cold Cranking Amps (CCA) | 800 CCA |
| Cranking Amps (CA) | 1000 CA |
| Amp Hour Capacity (C20) | 50 Ah |
| Reserve Capacity | 100 minutes @ 25 amps |
| BCI Group Size | 34/78 (Dual Terminal Compatibility) |
| Terminal Type | Dual: Type A/S (Top SAE Automotive + Side GM) |
| Dimensions (L x W x H) | 10.06 in x 6.94 in x 7.88 in |
| Weight | 38.8 lb |
| Case Material | Polypropylene |
| Key Features | Up to 3x longer life than conventional batteries; 15x more vibration-resistant; Virtually spill-proof / non-spillable; Mountable in virtually any position; Faster recharging; Maintenance-free |
| Warranty | 36 Months (Free Replacement) |
| Best For | Basic to high electrical demands requiring strong starting power in demanding conditions |
BATTERY; OPTIMA; 8004-003; RED; 12V; 800CCA 1000CA; TOP/SIDE TERM; BCI-34/78 OPTIMA 8004-003 78DT RED STARTING
| Weight | 39 lbs |
|---|---|
| Dimensions | 10.06 × 6.94 × 7.88 in |
| UPC | *721112826981* |
| Additional Description 2 | OPTIMA 8004-003 78DT RED STARTING |
| Additional Description 1 | BATTERY; OPTIMA; 8004-003; RED; 12V; 800CCA 1000CA; TOP/SIDE TERM; BCI-34/78 |
| Amp Hours | 50.0000 |
| Category Code | NEW BATTER |
| CCA | 800.0000 |
| Chemistry | AGM Lead-Acid; Sealed; Non-Spi |
| Group Size | 34/78 |
| Internal ID | 423 |
| Profile Code 2 | AUTOMOTIVE |
| Sub Category Code | AUTO-AGM |
| Volts | 12.0000 |
| Warranty | 36 |
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