OPTIMA
OPTIMA Batteries High Performance 34/78 RedTop Sealed AGM Car, Truck, and SUV
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Highlights
- BATTERY SPECS: 12-Volt, 800 Cold Cranking Amps, Size: 10.06" Long x 6.94" Wide x 7.88" Tall, Weight: 38.8 pounds, Dual SAE & GM Posts, C20 Capacity: 50 AH
- RESERVE CAPACITY of 100 minutes for constant performance. Faster charging capabilities.
- SPIRALCELL TECHNOLOGY: SPIRALCELL TECHNOLOGY with 99.99% pure lead delivers more power and consistently outperforms conventional flat-plate batteries. Optimal starting power even in bad weather.
- LONG LASTING: Fifteen times more resistant to vibration than standard flooded battieres for durability and Up to 3 times longer life vs. standard flooded batteries.
- MAINTENANCE FREE: For maximum convenience. Ideal for basic electrical demands.
Why You'll Love It
- 800 CCA output for strong starts in tough conditions
- SpiralCell design uses 99.99% pure lead for more consistent power
- Up to 15 times more vibration resistant than a flooded battery
- 100-minute reserve capacity supports accessory-heavy use
- Dual SAE and GM posts add flexibility for different vehicle setups
Pros
- +Well-known SpiralCell construction with a long track record
- +Strong 800 CCA rating suited to trucks, SUVs, and performance vehicles
- +Exceptional vibration resistance, up to 15x a flooded battery
- +Dual SAE/GM post design fits more vehicle configurations
Cons
- -At 38.8 lbs, it's on the heavier side for its size class
- -50Ah capacity is comparatively modest next to some higher-Ah alternatives in this lineup
Detailed Review
OPTIMA's RedTop line has a long-standing reputation among truck, SUV, and performance vehicle owners, and this 34/78 model carries that reputation forward with SpiralCell technology built from 99.99% pure lead. The design is meant to outperform conventional flat-plate batteries by delivering more consistent power under load, particularly in cold or otherwise demanding starting conditions.
At 800 cold cranking amps and a 100-minute reserve capacity, it's built for vehicles that need both strong cranking power and the ability to run accessories for extended periods, whether that's auxiliary lighting, a winch, or simply a vehicle with a lot of onboard electronics.
Where SpiralCell construction really shows its value is durability. OPTIMA rates this battery as up to 15 times more resistant to vibration than a standard flooded battery, which matters for trucks and SUVs that see rough roads or off-road use, and expects up to three times the service life as a result. The dual SAE and GM post setup also adds some flexibility depending on how your vehicle's cables are configured.
The tradeoff is weight and capacity. At just under 39 pounds, it's not the lightest option in its class, typical for a battery built with this much lead content, and its 50Ah rating is more modest than some higher-capacity alternatives in this lineup.
Verdict: a proven, vibration-resistant AGM battery well suited to trucks, SUVs, and performance vehicles where durability matters as much as raw cranking power.
Specifications
- Voltage: 12V
- Cold Cranking Amps: 800 CCA
- Capacity: C20 50AH
- Reserve Capacity: 100 minutes
- Dimensions: 10.06 x 6.94 x 7.88 inches
- Weight: 38.8 lbs
- Posts: Dual SAE and GM
- Technology: SpiralCell AGM, 99.99% pure lead
Buyer Guide
Best For: Trucks, SUVs, and performance vehicles that face rough roads, off-road driving, or bad-weather starts and need proven vibration resistance.
Consider This If: You value a well-established brand with a long durability track record and prioritize vibration resistance over a lighter, more compact battery.
Installation Tip: Check whether your vehicle's battery cables use SAE or GM posts; the dual-post design accommodates either without an adapter.
Product Details
| Brand | OPTIMA |
| ASIN | B00075OSC4 |
