12V 55Ah Deep Cycle GEL Battery (DCG55-12)

🔋 FULLRIVER DCG55-12 DEEP CYCLE GEL BATTERY

12V 55Ah Group 48 Deep Cycle Gel Battery – AP Terminals, 72-Minute Reserve Capacity & Long Cycle Life

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

The Fullriver DCG55-12 is a high-quality 12V 55Ah Deep Cycle Gel battery engineered for applications requiring dependable repeated discharge and recharge, consistent runtime and long service life.

Part of Fullriver’s DCG Series, the DCG55-12 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 55Ah capacity, practical Group 48 sizing, sealed maintenance-free construction and a 72-minute reserve capacity at 25A, 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.

⚡ 55Ah Capacity at 20HR Rate
Provides dependable stored energy for compatible 12V equipment, auxiliary systems 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 within 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.

⏱️ 72-Minute Reserve Capacity
Rated for approximately 72 minutes at a 25A load for dependable reserve-energy performance.

🔒 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.

📦 Practical Group 48 Size
Provides useful deep cycle capacity in a widely used battery format for compatible equipment installations.

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

🔌 AP Terminal Connections
Designed for compatible systems requiring AP terminal configuration.

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🔋 BUILT FOR TRUE DEEP CYCLE USE

The Fullriver DCG55-12 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 DCG55-12 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 DCG55-12 uses Fullriver’s proprietary gel electrolyte formulation rather than a 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 an extended period.

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💪 HEAVY-DUTY PURE LEAD CONSTRUCTION

The DCG55-12 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 DCG55-12 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 DCG55-12 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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⏱️ STRONG RESERVE CAPACITY

The DCG55-12 provides useful reserve-energy performance across different load levels.

• Reserve capacity at 25A: 72 minutes
• Reserve capacity at 75A: 16 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 DCG55-12 provides different capacity figures depending on the discharge rate.

• Capacity at 1HR rate: 34.0Ah
• Capacity at 5HR rate: 46.0Ah
• Capacity at 20HR rate: 55Ah
• Capacity at 100HR rate: 63Ah

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

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⚡ INTERNAL RESISTANCE

The DCG55-12 has a specified internal resistance of approximately 7.50mΩ.

This supports dependable energy transfer 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: DCG55-12

Series: DCG Series

Battery type: Deep Cycle Gel

Nominal voltage: 12V

Group size: 48

Capacity at 1HR rate: 34.0Ah

Capacity at 5HR rate: 46.0Ah

Capacity at 20HR rate: 55Ah

Capacity at 100HR rate: 63Ah

Reserve capacity at 25A: 72 minutes

Reserve capacity at 75A: 16 minutes

Internal resistance: 7.50mΩ

Lead purity: 99.994% pure virgin lead

Electrolyte type: Thixotropic Gel

Case material: ABS plastic

Flame-resistance rating: UL94-HB

Terminal type: AP

Recommended terminal torque: 50–70 in-lbs

Weight: Approximately 19.0kg

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

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📏 DIMENSIONS

Length: 271mm

Width: 170mm

Height: 189mm

Height including terminals: 189mm

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📦 WHAT’S INCLUDED?

• 1 × Fullriver DCG55-12 12V 55Ah 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 – 48
• Physical dimensions
• Terminal type – AP
• 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.

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❓ FREQUENTLY ASKED QUESTIONS

What type of battery is the Fullriver DCG55-12?

The DCG55-12 is a sealed 12V Deep Cycle Gel battery from Fullriver’s DCG Series.

What is the battery capacity?

The battery is rated at 55Ah at the 20-hour discharge rate.

What are the other capacity ratings?

The supplied specifications list 34.0Ah at the 1-hour rate, 46.0Ah at the 5-hour rate, 55Ah at the 20-hour rate and 63Ah at the 100-hour rate.

What group size is the DCG55-12?

The DCG55-12 uses a Group 48 battery case.

Is the DCG55-12 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 DCG55-12 provides approximately 72 minutes of reserve capacity at a 25A load and approximately 16 minutes at a 75A load.

How many cycles can the DCG55-12 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 use.

Does the DCG55-12 require maintenance?

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

Can the DCG55-12 be mounted on its side?

The sealed design allows installation in multiple compatible orientations, but the battery should not be installed upside down. Always follow the equipment and battery enclosure requirements.

Is the DCG55-12 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 it be used in a caravan or RV?

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

Is the DCG55-12 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 DCG55-12 be used for mobility equipment?

Yes, where the equipment requires a compatible 12V 55Ah Group 48 Gel battery with AP terminals and matching physical dimensions.

Can the DCG55-12 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 DCG55-12 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 DCG55-12 batteries be connected together?

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

Can the DCG55-12 be used for engine starting?

The DCG55-12 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 DCG55-12 use?

The DCG55-12 uses AP terminals with a recommended tightening torque of 50–70 in-lbs.

What are the battery dimensions?

The battery measures approximately 271mm long, 170mm wide and 189mm high including the terminals.

How much does the DCG55-12 weigh?

The DCG55-12 weighs approximately 19.0kg.

What is the internal resistance?

The supplied internal resistance specification is approximately 7.50mΩ.

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 DCG55-12 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 DCG55-12 or equivalent Gel battery requirements.

How do I know if the DCG55-12 will replace my existing battery?

Compare the required voltage, Gel battery chemistry, Group 48 case size, 271 × 170 × 189mm dimensions, AP terminal configuration, polarity and charging profile with your existing battery and equipment specifications before purchase.

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🔋 LONG-LIFE GROUP 48 DEEP CYCLE GEL POWER

Choose the Fullriver DCG55-12 when you need dependable repeated cycling, strong reserve capacity and maintenance-free Gel battery technology in a practical Group 48 package.

With 55Ah capacity, approximately 1300 cycles at 50% depth of discharge, 72-minute reserve capacity at 25A, 99.994% pure virgin lead construction and sealed Gel electrolyte technology, the DCG55-12 is built for compatible solar, mobility, caravan, marine, backup and commercial equipment applications.

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