12V 75AH 900CCA Yellowtop Deep Cycle Battery (D31A)

🔋 OPTIMA YELLOWTOP D31A AGM DEEP CYCLE BATTERY – 12V 75AH 900CCA

High-Capacity Dual-Purpose AGM Battery – 900CCA Starting Power, 75Ah C20 Capacity, 155-Minute Reserve Capacity & SAE Type A Terminals

🚗 Designed for demanding applications that require both powerful engine starting and repeated cycling capability, the Optima YELLOWTOP D31A AGM Battery combines 900CCA starting power with a 75Ah C20 capacity and substantial deep-cycle performance.

The YELLOWTOP D31A is a dual-purpose AGM battery engineered to deliver strong starting current while also supporting repeated discharge and recharge cycles. This makes it particularly suitable for compatible vehicles and equipment with substantial electrical accessories or higher ongoing power demands.

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.

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⚡ KEY FEATURES

🔋 Dual-Purpose AGM Design
Combines strong engine-starting performance with deep-cycle capability for compatible high-demand applications.

⚡ 900CCA Starting Power
Provides powerful cranking output for compatible 12V engine-starting systems.

🔌 75Ah C20 Capacity
Provides substantial stored energy for vehicle accessories, equipment loads and repeated cycling requirements.

⏳ 155-Minute Reserve Capacity
Supplied reserve capacity is approximately 155 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.

🔩 SAE Type A Terminals
Uses the supplied SAE Type A terminal configuration for compatible vehicle and equipment 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 construction.

⚡ 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.

💪 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.

💧 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.

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🔋 DUAL-PURPOSE STARTING & DEEP-CYCLE PERFORMANCE

The Optima YELLOWTOP D31A is designed for applications where both high engine-starting output and repeated battery cycling are required.

Unlike a conventional starting-only battery intended primarily for brief bursts of cranking current, the YELLOWTOP is designed to support substantial electrical accessory loads while retaining dependable starting capability.

This combination makes the D31A particularly useful for compatible vehicles and equipment where electrical demand extends beyond basic starting requirements.

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⚡ 900CCA STARTING POWER

Cold Cranking Amps: 900CCA

The supplied 900CCA rating provides strong engine-starting capability for compatible applications while retaining the battery’s deep-cycle functionality.

⚠️ IMPORTANT: Confirm the vehicle or equipment manufacturer’s minimum required CCA before selecting a replacement battery.

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🔌 75AH C20 CAPACITY

Supplied C20 capacity: 75Ah

The C20 capacity rating represents battery capacity measured over a 20-hour discharge test under specified conditions.

The D31A’s 75Ah capacity provides substantial stored energy for compatible accessories, electrical equipment and repeated cycling applications.

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⏳ 155-MINUTE RESERVE CAPACITY

Supplied reserve capacity at 25A: 155 minutes

Reserve capacity indicates how long the battery can provide a specified electrical load under applicable test conditions.

Actual runtime will vary according to electrical load, battery condition, state of charge, temperature and depth of discharge.

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🔄 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 is particularly relevant where accessories or electrical equipment may repeatedly discharge the battery before it is recharged.

Actual cycle life depends on discharge depth, charging conditions, operating temperature, storage and overall battery management.

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🌀 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 SpiralCell Technology delivers more power and consistently outperforms conventional flat-plate battery designs.

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⚡ LOW INTERNAL RESISTANCE

The YELLOWTOP D31A 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, high electrical demand or frequent battery cycling.

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🛡️ AGM – ABSORBENT GLASS MAT CONSTRUCTION

The Optima YELLOWTOP D31A 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
• High starting-current capability

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🔄 FASTER RECHARGING

Faster recharge capability is one of the supplied benefits of the Optima YELLOWTOP range.

This helps the D31A 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.

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💪 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 D31A 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.

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⏱️ LONG-LIFE DESIGN

The supplied product information states service life of up to three times longer than standard flooded batteries under applicable conditions.

Actual battery life will vary according to:

• Depth of discharge
• Frequency of cycling
• Charging-system performance
• Operating temperature
• Electrical loads
• Storage conditions
• Installation quality

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🚜 TRACTOR & FORKLIFT APPLICATIONS

The supplied product information states that Optima YELLOWTOP batteries work well for tractors and forklifts.

These applications can benefit from a battery capable of combining strong starting output, repeated cycling and high 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.

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🔩 SAE TYPE A TERMINALS

The YELLOWTOP D31A uses:

Terminal type: SAE – Type A

Confirm terminal position, polarity, battery-cable reach and connection compatibility before purchase.

⚠️ IMPORTANT: Do not select the battery based only on voltage, capacity, CCA or external dimensions. Terminal configuration and polarity must also match the intended installation.

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🧰 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.

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💧 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.

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🚗 SUITABLE APPLICATIONS

• 🚗 Compatible passenger and commercial vehicles
• 🛻 Utes and work vehicles
• 🚙 Vehicles with substantial electrical accessories
• 🔌 High electrical demand applications
• 🔋 Deep-cycle automotive applications
• 🎧 Audio and accessory power systems
• 🚜 Compatible tractors
• 🏗️ Compatible forklifts
• 🛠️ High-vibration environments
• 🔧 Compatible AGM battery upgrades
• 🔩 Applications requiring SAE Type A terminals

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📏 DIMENSIONS & WEIGHT

Length: 12.81in

Width: 6.56in

Height: 9.38in

Weight: 59.8lb

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📋 TECHNICAL SPECIFICATIONS

Brand: Optima

Product: YELLOWTOP D31A AGM Deep Cycle Battery

Battery type: YELLOWTOP

Model: D31A

Battery application: Dual-purpose starting and deep cycle

Battery chemistry: AGM

Cell technology: SpiralCell

Supplied lead purity: 99.99%

Nominal voltage: 12V

Starting power: 900CCA

C20 capacity: 75Ah

Reserve capacity at 25A: 155 minutes

Terminal type: SAE – Type A

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: 12.81in

Width: 6.56in

Height: 9.38in

Weight: 59.8lb

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⚠️ FITMENT CHECKLIST

Before purchasing the Optima YELLOWTOP D31A, confirm that the battery matches the physical, electrical and charging requirements of your vehicle or equipment.

• 12V electrical-system compatibility
• Model D31A suitability
• Required battery dimensions
• Available battery-tray space
• Battery hold-down arrangement
• SAE Type A terminal compatibility
• Positive and negative terminal positions
• Battery-cable reach
• Required 900CCA starting rating
• Required 75Ah capacity
• Required 155-minute reserve capacity
• Required deep-cycle 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.

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❓ FREQUENTLY ASKED QUESTIONS

What is the Optima YELLOWTOP D31A?

The D31A is a 12V AGM dual-purpose battery designed to provide both strong engine-starting performance and repeated deep-cycle capability.

How many CCA does the D31A provide?

The supplied starting rating is 900CCA.

What is the battery capacity?

The supplied C20 capacity is 75Ah.

What is the reserve capacity?

The supplied reserve capacity is 155 minutes at a 25A load.

Is the YELLOWTOP D31A 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 900CCA 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 D31A 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 with substantial electrical accessories and higher power demands.

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 the D31A use?

The supplied specification lists SAE Type A terminals.

How long is the D31A?

The supplied length is 12.81 inches.

How wide is it?

The supplied width is 6.56 inches.

How tall is it?

The supplied height is 9.38 inches.

How much does it weigh?

The supplied weight is 59.8lb.

Can I replace a standard flooded battery with the D31A?

Potentially, but not automatically. Confirm the dimensions, SAE Type A terminal arrangement, 900CCA requirement, 75Ah capacity, hold-down arrangement and AGM charging-system compatibility first.

What should I check before ordering?

Confirm the D31A model requirement, 12V voltage, physical dimensions, SAE Type A terminals, polarity, 900CCA requirement, 75Ah capacity, 155-minute reserve capacity, cycling requirements, battery restraint and AGM charging compatibility.

Does the supplied information specify package contents?

No specific package-contents list was supplied beyond the battery product itself.

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🔋 HIGH-CAPACITY DUAL-PURPOSE AGM POWER FOR STARTING & DEEP-CYCLE USE

Choose the Optima YELLOWTOP D31A when you need a heavy-duty AGM battery capable of combining powerful engine starting with substantial deep-cycle performance for demanding vehicle or equipment applications.

With 900CCA starting power, 75Ah C20 capacity, 155-minute reserve capacity, more than 300 supplied discharge/recharge cycles, SpiralCell Technology, 99.99% pure lead and SAE Type A terminals, the D31A is designed for systems that demand more than conventional starting power alone.

Confirm physical dimensions, SAE Type A terminal configuration, starting requirements, cycling requirements and AGM charging-system compatibility before installation to ensure the YELLOWTOP D31A is correct for your application.