12V 88Ah Deep Cycle GEL Battery (DCG88-12)

🔋 FULLRIVER DCG88-12 DEEP CYCLE GEL BATTERY

12V 88Ah Group 27 Deep Cycle Gel Battery – M6 Terminals, 144-Minute Reserve Capacity & Long Cycle Life

⚡ Premium deep cycle power with high reserve capacity, sealed Gel technology and maintenance-free operation.

The Fullriver DCG88-12 is a high-quality 12V 88Ah Deep Cycle Gel battery engineered for demanding applications requiring dependable repeated discharge and recharge, substantial stored energy and long service life.

Part of Fullriver’s DCG Series, the DCG88-12 combines 99.994% pure virgin lead plates, heavy-duty over-the-partition welds and Fullriver’s proprietary thixotropic Gel electrolyte formulation to support reliable cycling performance, vibration resistance and durability.

With 88Ah capacity, practical Group 27 sizing, sealed maintenance-free construction and reserve capacity ratings of 144 minutes at 25A and 40 minutes at 75A, it is a strong choice for compatible solar, mobility, caravan, marine, backup, standby and commercial deep cycle applications.

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⚡ KEY FEATURES

🔋 12V Deep Cycle Gel Performance
Designed for true deep-cycle applications requiring repeated discharge and recharge operation.

⚡ 88Ah Capacity at 20HR Rate
Provides substantial stored energy for compatible 12V equipment, auxiliary systems, mobility applications and battery banks.

🧪 Advanced Gel Electrolyte Technology
Fullriver’s proprietary thixotropic Gel formulation helps minimise electrolyte stratification and supports dependable cycling performance.

⏳ Approximately 1300 Cycles at 50% DOD
Engineered for extended service life when correctly charged and operated under suitable conditions.

💪 99.994% Pure Virgin Lead Plates
High-purity lead plate construction supports strength, durability and reliable repeated cycling.

🛡️ Strong Shock & Vibration Resistance
Heavy-duty over-the-partition welds help improve internal strength for demanding mobile and equipment applications.

⏱️ 144-Minute Reserve Capacity at 25A
Provides substantial reserve-energy performance for compatible 12V electrical loads.

💥 40-Minute Reserve Capacity at 75A
Demonstrates strong stored-energy capability under significantly heavier discharge loads.

🔒 Sealed Recombinant Gel Construction
Provides maintenance-free operation and reduced off-gassing compared with conventional flooded batteries.

🔄 Flexible Installation
Can be installed in multiple compatible orientations, except upside down.

🌡️ Excellent Slow-Discharge Performance
Gel chemistry is well suited to applications involving sustained, lower-rate energy discharge.

📦 Group 27 Case Size
Provides strong deep cycle capacity in a practical Group 27 battery format.

🧯 Flame-Resistant ABS Case
Durable ABS plastic housing with a UL94-HB flame-resistance rating.

🔌 M6 Terminal Connections
Provides secure electrical connections for compatible deep cycle and auxiliary systems.

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🔋 BUILT FOR TRUE DEEP CYCLE USE

The Fullriver DCG88-12 is specifically designed for applications where the battery is regularly discharged and recharged during normal use.

Its Gel construction is suited to systems where dependable stored energy, sustained discharge performance and long cycle life are more important than high-current engine cranking.

This makes the DCG88-12 a strong option for compatible renewable-energy systems, mobility equipment, auxiliary power installations, backup systems and commercial equipment.

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🧪 ADVANCED THIXOTROPIC GEL ELECTROLYTE

The DCG88-12 uses Fullriver’s proprietary Gel electrolyte formulation rather than conventional free-flowing liquid electrolyte.

This thixotropic Gel technology helps minimise electrolyte stratification and supports stable performance throughout repeated cycling.

Gel chemistry is particularly well suited to many slow-discharge applications where energy is delivered consistently over extended periods.

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💪 HEAVY-DUTY PURE LEAD CONSTRUCTION

The DCG88-12 uses 99.994% pure virgin lead plates combined with robust internal construction.

Thick plate design and heavy-duty over-the-partition welds help improve structural integrity and resistance to shock and vibration.

This construction supports dependable cycling performance in demanding mobility, commercial, marine and auxiliary power applications.

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⏳ DESIGNED FOR LONG CYCLE LIFE

The Fullriver DCG Series is engineered to provide extended service life in suitable deep cycle applications.

The supplied performance information indicates approximately 1300 cycles at 50% depth of discharge when the battery is correctly charged and operated under suitable conditions.

Actual battery service life will vary depending on depth of discharge, charging method, operating temperature, load profile and overall system conditions.

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🔒 SEALED & MAINTENANCE-FREE

The DCG88-12 uses sealed recombinant Gel construction, eliminating the need for routine watering or electrolyte top-ups.

This provides cleaner and lower-maintenance operation than a conventional flooded lead-acid battery.

Its sealed design also helps reduce off-gassing during normal operation, although installations should still comply with applicable ventilation and equipment requirements.

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🔄 FLEXIBLE INSTALLATION OPTIONS

The sealed Gel construction allows the DCG88-12 to be installed in multiple compatible orientations.

The battery should not be installed upside down.

Always ensure the battery is securely restrained and installed according to the requirements of the equipment, vehicle or battery enclosure.

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⏱️ HIGH RESERVE CAPACITY

The DCG88-12 provides substantial reserve-energy performance across different load levels.

• Reserve capacity at 25A: 144 minutes
• Reserve capacity at 75A: 40 minutes

These ratings provide an additional indication of the battery’s available stored energy alongside its amp-hour capacity.

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📊 MULTIPLE CAPACITY RATINGS

The DCG88-12 provides different capacity figures depending on the discharge rate.

• Capacity at 1HR rate: 54.0Ah
• Capacity at 5HR rate: 75.0Ah
• Capacity at 20HR rate: 88Ah
• Capacity at 100HR rate: 99Ah

These ratings provide useful guidance for expected battery performance across different load and discharge conditions.

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⚡ LOW INTERNAL RESISTANCE

The DCG88-12 has a specified internal resistance of approximately 5.30mΩ.

This supports efficient energy transfer and dependable performance across compatible deep cycle, auxiliary and standby power applications.

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🔧 SUITABLE APPLICATIONS

• Mobility equipment
• Electric mobility applications
• Solar and renewable-energy systems
• Caravan and RV auxiliary power
• Marine auxiliary systems
• Backup and standby power systems
• Floor cleaning machines
• Deep cycle battery banks
• Commercial equipment
• Personal deep-cycle applications
• Compatible 12V auxiliary power systems

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📐 PRODUCT SPECIFICATIONS

Brand: Fullriver

Model: DCG88-12

Series: DCG Series

Battery type: Deep Cycle Gel

Nominal voltage: 12V

Group size: 27

Capacity at 1HR rate: 54.0Ah

Capacity at 5HR rate: 75.0Ah

Capacity at 20HR rate: 88Ah

Capacity at 100HR rate: 99Ah

Reserve capacity at 25A: 144 minutes

Reserve capacity at 75A: 40 minutes

Internal resistance: 5.30mΩ

Lead purity: 99.994% pure virgin lead

Electrolyte type: Thixotropic Gel

Case material: ABS plastic

Flame-resistance rating: UL94-HB

Terminal type: M6

Recommended terminal torque: 40–55 in-lbs

Weight: Approximately 28.4kg

Cycle performance: Approximately 1300 cycles at 50% depth of discharge under suitable operating conditions

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📏 DIMENSIONS

Length: 307mm

Width: 168mm

Case height: 211mm

Height including terminals: 217mm

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📦 WHAT’S INCLUDED?

• 1 × Fullriver DCG88-12 12V 88Ah Deep Cycle Gel Battery

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⚠️ FITMENT & COMPATIBILITY INFORMATION

Please confirm the electrical, physical and charging requirements of your equipment before purchasing.

Check the required:

• Battery voltage – 12V
• Battery chemistry – Gel
• Battery capacity
• Group size – 27
• Physical dimensions
• Terminal type – M6
• Terminal orientation and polarity
• Terminal torque requirements
• Charging profile
• Available installation space
• Deep cycle application requirements

⚠️ IMPORTANT: Gel batteries require a compatible charging profile. Do not assume a charger configured for AGM, flooded lead-acid or another battery chemistry is automatically suitable. Confirm charger compatibility before installation.

⚠️ IMPORTANT: Do not install the battery upside down. Always securely restrain the battery and follow the equipment manufacturer’s installation requirements.

⚠️ IMPORTANT: Do not purchase based on Group 27 size or capacity alone. Exact dimensions, M6 terminal layout, polarity, charging profile and application suitability must also match your equipment.

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❓ FREQUENTLY ASKED QUESTIONS

What type of battery is the Fullriver DCG88-12?

The DCG88-12 is a sealed 12V Deep Cycle Gel battery from Fullriver’s DCG Series.

What is the battery capacity?

The battery is rated at 88Ah at the 20-hour discharge rate.

What are the other capacity ratings?

The supplied specifications list 54.0Ah at the 1-hour rate, 75.0Ah at the 5-hour rate, 88Ah at the 20-hour rate and 99Ah at the 100-hour rate.

What group size is the DCG88-12?

The DCG88-12 uses a Group 27 battery case.

Is the DCG88-12 a true deep cycle battery?

Yes. It is designed specifically for repeated deep cycle discharge and recharge applications.

What is the difference between Gel and AGM?

Both are sealed lead-acid battery technologies, but they retain electrolyte differently. AGM batteries absorb electrolyte into glass mat separators, while Gel batteries use a gelled electrolyte. Gel batteries require a compatible charging profile and are well suited to many sustained-discharge and repeated cycling applications.

What is the reserve capacity?

The DCG88-12 provides approximately 144 minutes of reserve capacity at a 25A load and approximately 40 minutes at a 75A load.

How many cycles can the DCG88-12 provide?

The supplied performance information indicates approximately 1300 cycles at 50% depth of discharge under suitable charging and operating conditions. Actual service life will vary with depth of discharge, temperature, charging method and operating conditions.

Does the DCG88-12 require maintenance?

No routine watering or electrolyte top-ups are required because the battery uses sealed Gel construction.

Can the DCG88-12 be mounted on its side?

The sealed construction allows installation in multiple compatible orientations, but the battery should not be installed upside down. Always securely restrain the battery and follow the equipment manufacturer’s requirements.

Is the DCG88-12 suitable for solar applications?

Yes. It may be suitable for compatible solar and renewable-energy systems designed around a 12V Gel battery with an appropriate charging profile.

Can the DCG88-12 be used in a caravan or RV?

Yes, where the electrical system requires a compatible 12V deep cycle Gel battery with matching capacity, dimensions, M6 terminals and charging requirements.

Is the DCG88-12 suitable for marine auxiliary power?

It may be suitable for compatible marine auxiliary applications where its voltage, capacity, physical dimensions, terminal configuration and charging requirements match the system.

Can the DCG88-12 be used for mobility equipment?

Yes, where the equipment requires a compatible 12V 88Ah Group 27 Gel battery with M6 terminals and matching physical dimensions.

Can the DCG88-12 be used for backup or standby power?

Yes. It may be suitable for compatible backup and standby systems requiring a 12V Gel battery with the correct capacity, dimensions and charging profile.

Can the DCG88-12 be used in a floor cleaning machine?

Yes, where the equipment requires a compatible 12V Gel deep cycle battery with matching capacity, dimensions, terminals and charging requirements.

Can multiple DCG88-12 batteries be connected together?

Multiple matched batteries may be used in a correctly designed battery bank where system voltage, charger configuration, cable sizing, circuit protection and battery matching are appropriate.

Can the DCG88-12 be used for engine starting?

The DCG88-12 is designed as a deep cycle Gel battery. No dedicated CCA rating has been supplied, so it should not be selected as an engine-starting battery unless the equipment manufacturer specifically confirms suitability.

What terminals does the DCG88-12 use?

The DCG88-12 uses M6 terminals with a recommended tightening torque of 40–55 in-lbs.

What are the battery dimensions?

The battery measures approximately 307mm long, 168mm wide and 211mm high at the case, or 217mm high including the terminals.

How much does the DCG88-12 weigh?

The DCG88-12 weighs approximately 28.4kg.

What is the internal resistance?

The supplied internal resistance specification is approximately 5.30mΩ.

Is the battery case flame resistant?

Yes. The ABS plastic case has a supplied UL94-HB flame-resistance rating.

Can I use a standard AGM charger with this battery?

Only if the charger manufacturer confirms that its charging profile is suitable for Gel batteries. Gel and AGM batteries can require different charging settings, so charger compatibility should always be confirmed before use.

What charging voltage does the DCG88-12 require?

No specific charging voltage was supplied with the provided product information. Use a charger with a charging profile confirmed as suitable for the Fullriver DCG88-12 or equivalent Gel battery requirements.

Should batteries in a battery bank be matched?

For best system consistency, use batteries of the same model, chemistry, capacity, age and condition unless the system manufacturer specifically approves another configuration.

How do I know if the DCG88-12 will replace my existing battery?

Compare the required voltage, Gel battery chemistry, Group 27 case format, 307 × 168 × 217mm overall dimensions, M6 terminal configuration, polarity, terminal torque and charging profile with your existing battery and equipment specifications before purchase.

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🔋 LONG-LIFE 88AH GROUP 27 DEEP CYCLE GEL POWER

Choose the Fullriver DCG88-12 when you need dependable repeated cycling, substantial reserve capacity and maintenance-free Gel battery technology in a practical Group 27 package.

With 88Ah capacity, approximately 1300 cycles at 50% depth of discharge, 144-minute reserve capacity at 25A, 99.994% pure virgin lead construction and sealed Gel electrolyte technology, the DCG88-12 is built for compatible solar, mobility, caravan, marine, backup and commercial equipment applications.

Power your 12V system with dependable Fullriver Deep Cycle Gel performance.