OPTIMA
12V 55AH 750CCA Yellowtop Deep Cycle Battery (D34/78)
12V 55AH 750CCA Yellowtop Deep Cycle Battery (D34/78)
SKU:8014-254
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🔋 OPTIMA YELLOWTOP D34/78 AGM DEEP CYCLE BATTERY – 12V 55AH 750CCA
Dual-Purpose AGM Battery – 750CCA Starting Power, 55Ah C20 Capacity, 120-Minute Reserve Capacity & Dual Type A/S Terminals
đźš— Designed for applications that require both dependable engine starting and repeated cycling capability, the Optima YELLOWTOP D34/78 AGM Battery combines 750CCA starting power with a 55Ah C20 capacity and rugged deep-cycle performance.
The YELLOWTOP D34/78 is a dual-purpose AGM battery engineered to provide strong ignition power while also supporting repeated discharge and recharge cycles. This makes it particularly suitable for compatible vehicles with substantial electrical accessories and other demanding 12V applications.
Its low internal resistance is designed to provide consistent power output and faster recharge times, while Optima SpiralCell Technology uses 99.99% pure lead to support strong electrical performance and durability.
The supplied product information states that YELLOWTOP batteries can provide more than 300 discharge/recharge cycles, up to three times longer service life and up to 15 times greater vibration resistance than standard flooded batteries under applicable operating conditions.
⚡ KEY FEATURES
🔋 Dual-Purpose AGM Design
Combines dependable engine-starting capability with deep-cycle performance for compatible high-demand applications.
⚡ 750CCA Starting Power
Provides strong cranking output for compatible 12V engine-starting systems.
🔌 55Ah C20 Capacity
Provides useful stored energy for vehicle accessories, equipment loads and repeated cycling requirements.
⏳ 120-Minute Reserve Capacity
Supplied reserve capacity is approximately 120 minutes at a 25A load.
🔄 More Than 300 Discharge / Recharge Cycles
The supplied product information states that YELLOWTOP batteries can provide more than 300 discharge and recharge cycles under applicable conditions.
🔌 Dual Type A/S Terminals
The dual-terminal configuration provides added connection flexibility for compatible installations.
🌀 SpiralCell Technology
Optima’s spiral-wound cell construction is designed to provide consistent power delivery and durability.
🧪 99.99% Pure Lead
The supplied product information specifies 99.99% pure lead within the SpiralCell design.
⚡ Low Internal Resistance
Designed to provide more consistent power output and support faster recharge performance.
🔄 Faster Recharging
Strong recharge capability helps restore stored energy after engine starting or accessory use.
🛡️ AGM Construction
Absorbent Glass Mat technology provides maintenance-free and non-spillable operation.
đź’Ş Strong Vibration Resistance
The supplied information states up to 15 times greater vibration resistance than a standard flooded battery.
⏱️ Extended Service-Life Design
The supplied information states service life of up to three times longer than standard flooded batteries under applicable conditions.
🧰 Maintenance Free
No routine electrolyte topping-up or fluid maintenance is required.
đź’§ Completely Non-Spillable
The AGM design provides non-spillable operation under normal conditions.
↔️ Flexible Mounting
The supplied information states that the battery can be mounted in many positions, subject to correct installation requirements.
🔋 DUAL-PURPOSE STARTING & DEEP-CYCLE PERFORMANCE
The Optima YELLOWTOP D34/78 is designed for applications where both engine-starting power and repeated cycling capability are required.
Unlike a conventional starting-only battery designed primarily for short bursts of high current, the YELLOWTOP is intended to support substantial electrical accessory loads while retaining dependable starting performance.
This makes it well suited to compatible vehicles and equipment that place greater demand on the battery throughout operation.
⚡ 750CCA STARTING POWER
Cold Cranking Amps: 750CCA
The supplied 750CCA rating provides strong engine-starting support for compatible applications while retaining the battery’s deep-cycle capability.
⚠️ IMPORTANT: Confirm the vehicle or equipment manufacturer’s required minimum CCA before selecting a replacement battery.
🔌 55AH C20 CAPACITY
Supplied C20 capacity: 55Ah
The C20 capacity rating represents battery capacity measured over a 20-hour discharge test under specified conditions.
This capacity helps the D34/78 support compatible vehicle accessories, equipment electrical loads and repeated cycling applications.
⏳ 120-MINUTE RESERVE CAPACITY
Supplied reserve capacity at 25A: 120 minutes
Reserve capacity indicates how long the battery can provide a specified electrical load under the applicable test conditions.
Actual operating time will vary according to electrical load, temperature, battery condition, state of charge and depth of discharge.
🔄 MORE THAN 300 DISCHARGE / RECHARGE CYCLES
The supplied product information states that Optima YELLOWTOP batteries can provide more than 300 discharge and recharge cycles.
This cycling capability supports applications where the battery may regularly power accessories or equipment before being recharged.
Actual cycle life will depend on discharge depth, charging conditions, temperature, battery management and overall operating conditions.
🌀 OPTIMA SPIRALCELL TECHNOLOGY
Optima YELLOWTOP batteries use SpiralCell Technology rather than conventional flat-plate construction.
- Spiral-wound internal cell construction
- 99.99% pure lead
- Strong starting-current delivery
- Deep-cycle capability
- Consistent electrical performance
- Strong vibration resistance
- Fast recharge capability
The supplied information states that this construction delivers more power and consistently outperforms conventional flat-plate battery designs.
⚡ LOW INTERNAL RESISTANCE
The YELLOWTOP D34/78 is designed with low internal resistance to support consistent power output and faster recharge times.
This can be particularly useful in applications with substantial accessory loads or frequent battery cycling.
🛡️ AGM – ABSORBENT GLASS MAT CONSTRUCTION
The Optima YELLOWTOP D34/78 uses AGM battery technology.
AGM construction retains the electrolyte within absorbent glass mat separators rather than leaving free-flowing liquid inside the battery case.
- Maintenance-free operation
- Non-spillable construction
- Deep-cycle capability
- Strong vibration resistance
- Flexible mounting options
- Strong current delivery
🔄 FASTER RECHARGING
Faster recharge capability is one of the supplied benefits of the Optima YELLOWTOP range.
This helps the D34/78 recover stored energy after engine starting or periods of accessory use when paired with a suitable charging system.
⚠️ IMPORTANT: Ensure the alternator, charger or battery-management system is suitable for AGM battery charging requirements.
đź’Ş HIGH VIBRATION RESISTANCE
The supplied product information states that YELLOWTOP batteries can provide up to 15 times greater vibration resistance than a standard flooded battery.
This can make the D34/78 particularly useful in compatible vehicles and equipment exposed to vibration, rough surfaces and demanding operating conditions.
⚠️ IMPORTANT: Vibration resistance does not eliminate the need for a secure battery tray and appropriate hold-down system.
⏱️ LONG-LIFE DESIGN
The supplied product information states service life of up to three times longer than standard flooded batteries under applicable conditions.
Actual service life will vary according to:
- Depth of discharge
- Frequency of cycling
- Charging-system performance
- Operating temperature
- Electrical loads
- Storage conditions
- Installation quality
đźšś TRACTOR & FORKLIFT APPLICATIONS
The supplied product information specifically states that Optima YELLOWTOP batteries work well for tractors and forklifts.
These applications can benefit from a battery capable of combining dependable starting power, repeated cycling and strong vibration resistance.
⚠️ IMPORTANT: Tractor or forklift use does not automatically confirm compatibility. Check voltage, dimensions, terminal arrangement, starting requirements, charging system and battery restraint before installation.
🔌 DUAL TYPE A/S TERMINALS
The YELLOWTOP D34/78 features a dual-terminal configuration.
Terminal type: Type A/S – Dual Terminal
The dual-terminal design provides additional connection flexibility in compatible installations.
⚠️ IMPORTANT: Dual terminals do not guarantee fitment. Confirm terminal position, polarity, cable reach, connection type and battery hold-down compatibility before purchase.
🧰 MAINTENANCE-FREE OPERATION
The AGM construction eliminates routine electrolyte topping-up associated with serviceable flooded batteries.
This provides convenient maintenance-free operation under normal use.
đź’§ NON-SPILLABLE CONSTRUCTION
The supplied product information describes the YELLOWTOP as completely non-spillable.
This provides greater installation flexibility than conventional flooded batteries containing free-flowing electrolyte.
⚠️ IMPORTANT: Always follow the battery, vehicle and equipment manufacturer’s requirements regarding mounting orientation, restraint, ventilation and electrical installation.
đźš— SUITABLE APPLICATIONS
- đźš— Compatible passenger vehicles
- đź›» Utes and light commercial vehicles
- đźš™ Vehicles with substantial electrical accessories
- 🔌 High electrical demand applications
- 🔋 Deep-cycle automotive applications
- 🎧 Audio and accessory power systems
- đźšś Compatible tractors
- 🏗️ Compatible forklifts
- 🛠️ High-vibration environments
- 🔧 Compatible AGM battery upgrades
- 🔌 Applications requiring Type A/S dual terminals
đź“Ź DIMENSIONS & WEIGHT
Length: 10.06in
Width: 6.94in
Height: 7.88in
Weight: 43.5lb
đź“‹ TECHNICAL SPECIFICATIONS
Brand: Optima
Product: YELLOWTOP D34/78 AGM Deep Cycle Battery
Battery type: YELLOWTOP
Model: D34/78
Battery application: Dual-purpose starting and deep cycle
Battery chemistry: AGM
Cell technology: SpiralCell
Supplied lead purity: 99.99%
Nominal voltage: 12V
Starting power: 750CCA
C20 capacity: 55Ah
Reserve capacity at 25A: 120 minutes
Terminal type: Type A/S – Dual Terminal
Maintenance: Maintenance free
Spill protection: Completely non-spillable according to supplied product information
Mounting: Mountable in many positions according to supplied product information
Recharge characteristic: Faster recharging capability
Supplied cycling claim: More than 300 discharge / recharge cycles
Supplied vibration-resistance claim: Up to 15 times greater than a standard flooded battery
Supplied service-life claim: Up to 3 times longer than standard flooded batteries
Length: 10.06in
Width: 6.94in
Height: 7.88in
Weight: 43.5lb
⚠️ FITMENT CHECKLIST
Before purchasing the Optima YELLOWTOP D34/78, confirm the battery matches the physical, electrical and charging requirements of your vehicle or equipment.
- 12V electrical-system compatibility
- Model D34/78 suitability
- Required battery dimensions
- Available battery-tray space
- Battery hold-down arrangement
- Type A/S dual-terminal compatibility
- Positive and negative terminal positions
- Battery-cable reach
- Required 750CCA starting rating
- Required 55Ah capacity
- Required 120-minute reserve capacity
- Required cycling performance
- AGM charging-system compatibility
- Vehicle or equipment manufacturer battery specification
⚠️ IMPORTANT: A matching battery size alone does not confirm compatibility. Terminal arrangement, polarity, starting requirements, capacity, battery restraint and charging compatibility must also match.
⚠️ IMPORTANT: Deep-cycle capability does not mean unlimited discharge depth. Battery life will depend on how deeply and how frequently the battery is cycled.
⚠️ IMPORTANT: Secure the battery using an appropriate battery tray and restraint system before operating the vehicle or equipment.
📦 WHAT’S INCLUDED?
- 🔋 1 × Optima YELLOWTOP D34/78 AGM Deep Cycle Battery – 12V 55Ah 750CCA
âť“ FREQUENTLY ASKED QUESTIONS
What is the Optima YELLOWTOP D34/78?
The D34/78 is a 12V AGM dual-purpose battery designed to provide both dependable engine-starting power and repeated deep-cycle capability.
How many CCA does the D34/78 provide?
The supplied starting rating is 750CCA.
What is the battery capacity?
The supplied C20 capacity is 55Ah.
What is the reserve capacity?
The supplied reserve capacity is 120 minutes at a 25A load.
Is the YELLOWTOP D34/78 a deep-cycle battery?
Yes. It is supplied as a dual-purpose battery combining deep-cycle capability with engine-starting performance.
Can it start an engine?
Yes. It provides a supplied starting rating of 750CCA for compatible applications.
How many discharge and recharge cycles can it provide?
The supplied product information states more than 300 discharge / recharge cycles under applicable conditions.
Is the D34/78 AGM?
Yes. It uses Absorbent Glass Mat battery technology.
What is SpiralCell Technology?
SpiralCell is Optima’s spiral-wound internal cell construction using 99.99% pure lead to support strong power delivery, cycling performance and durability.
Is it maintenance free?
Yes. Routine electrolyte topping-up is not required.
Is it non-spillable?
Yes. The supplied information describes the YELLOWTOP as completely non-spillable.
Can it be mounted in different positions?
The supplied information states that it can be mounted in many positions, subject to correct installation requirements.
Is it vibration resistant?
Yes. The supplied information states up to 15 times greater vibration resistance than a standard flooded battery.
Does it recharge quickly?
Yes. Faster recharging capability is one of the supplied YELLOWTOP benefits.
Why is low internal resistance useful?
The supplied information states that low internal resistance helps provide more consistent power output and faster recharge times.
Is it suitable for vehicles with lots of accessories?
Yes. The supplied product information specifically positions the YELLOWTOP range for vehicles carrying substantial electrical accessories.
Can it be used in a tractor?
The supplied information identifies tractors as an application where YELLOWTOP batteries can work well, subject to correct electrical and physical fitment.
Can it be used in a forklift?
The supplied information also identifies forklifts as a potential application, subject to correct voltage, starting requirements, capacity, terminals and charging compatibility.
What terminal type does it use?
The supplied specification lists Type A/S dual terminals.
Do dual terminals guarantee fitment?
No. Terminal positions, polarity, connection requirements, cable reach and hold-down compatibility must still be checked.
How long is the D34/78?
The supplied length is 10.06 inches.
How wide is it?
The supplied width is 6.94 inches.
How tall is it?
The supplied height is 7.88 inches.
How much does it weigh?
The supplied weight is 43.5lb.
Can I replace a standard flooded battery with the D34/78?
Potentially, but not automatically. Confirm the dimensions, terminal configuration, 750CCA requirement, capacity, hold-down arrangement and AGM charging-system compatibility first.
What should I check before ordering?
Confirm the D34/78 model requirement, 12V voltage, physical dimensions, Type A/S terminals, polarity, 750CCA requirement, 55Ah capacity, 120-minute reserve capacity, cycling requirements, battery restraint and AGM charging compatibility.
What comes with the battery?
The supplied package information supports one Optima YELLOWTOP D34/78 AGM Battery rated at 12V, 55Ah and 750CCA.
🔋 DUAL-PURPOSE AGM POWER FOR STARTING, CYCLING & HIGH ELECTRICAL DEMANDS
Choose the Optima YELLOWTOP D34/78 when you need a heavy-duty AGM battery capable of combining dependable engine starting with repeated cycling for demanding vehicle or equipment applications.
With 750CCA starting power, 55Ah C20 capacity, 120-minute reserve capacity, more than 300 supplied discharge/recharge cycles, SpiralCell Technology, 99.99% pure lead and Type A/S dual terminals, the D34/78 is designed for applications that demand more than conventional starting power alone.
Confirm physical dimensions, terminal configuration, starting requirements, cycling requirements and AGM charging-system compatibility before installation to ensure the YELLOWTOP D34/78 is correct for your application.
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