12V 26Ah Deep Cycle GEL Battery (DGC26-12)

🔋 FULLRIVER DCG26-12 DEEP CYCLE GEL BATTERY

12V 26Ah Deep Cycle Gel Battery – M6 Terminals, 33-Minute Reserve Capacity & Long Cycle Life

⚡ Reliable deep cycle power, durable Gel technology and maintenance-free operation for demanding 12V applications.

The Fullriver DCG26-12 is a premium 12V 26Ah Deep Cycle Gel battery engineered for applications requiring dependable repeated discharge and recharge, long service life and consistent stored-energy performance.

Part of Fullriver’s DCG Series, the DCG26-12 combines 99.994% pure virgin lead plates, heavy-duty over-the-partition welds and a proprietary thixotropic gel electrolyte formulation to support reliable cycling, vibration resistance and extended battery life.

With sealed maintenance-free construction, 26Ah capacity, a 33-minute reserve capacity at 25A and flexible installation capability, it is a practical choice for compatible mobility, solar, caravan, marine, backup and commercial deep cycle applications.

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⚡ KEY FEATURES

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

⚡ 26Ah 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 consistent cycling performance.

💪 99.994% Pure Virgin Lead Plates
High-quality pure lead plate construction supports durability, consistent performance and long service life.

🔩 Heavy-Duty Internal Weld Construction
Over-the-partition welds are designed to improve structural strength and resistance to shock and vibration.

⏳ Approximately 1300 Cycles at 50% DOD
Designed for extended cycling performance when operated under suitable charging and discharge conditions.

⏱️ 33-Minute Reserve Capacity
Rated for approximately 33 minutes at a 25A load.

🔒 Sealed Recombinant Design
Maintenance-free construction reduces routine servicing and helps minimise gas release 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.

🧯 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 installations.

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🔋 BUILT FOR TRUE DEEP CYCLE USE

The Fullriver DCG26-12 is specifically designed for deep cycle applications where the battery is regularly discharged and recharged during normal operation.

Its Gel construction is suited to applications where sustained energy delivery, dependable cycling performance and long battery life are more important than high-current engine cranking.

This makes the DCG26-12 a strong option for compatible mobility equipment, renewable energy systems, auxiliary power installations and commercial equipment.

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🧪 ADVANCED THIXOTROPIC GEL ELECTROLYTE

The DCG26-12 uses Fullriver’s proprietary gel electrolyte formulation rather than a conventional free-flowing liquid electrolyte.

This thixotropic Gel technology helps reduce electrolyte stratification and supports stable performance during repeated deep cycle use.

Gel chemistry is particularly well suited to slow-discharge applications where reliable stored energy is delivered over an extended period.

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💪 HEAVY-DUTY PURE LEAD CONSTRUCTION

The DCG26-12 uses 99.994% pure virgin lead plates combined with heavy-duty internal construction.

Thick plate design and reinforced over-the-partition welds help improve resistance to shock and vibration while supporting dependable cycling performance.

This construction makes the battery suitable for demanding mobile and equipment applications where durability matters.

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⏳ DESIGNED FOR LONG CYCLE LIFE

The Fullriver DCG Series is engineered to provide long 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, maintained and operated within its recommended conditions.

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

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🔒 SEALED & MAINTENANCE-FREE

The DCG26-12 uses a sealed recombinant battery design, 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 any installation must still follow applicable battery ventilation and equipment requirements.

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🔄 FLEXIBLE INSTALLATION OPTIONS

The sealed Gel construction allows the DCG26-12 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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⏱️ RESERVE CAPACITY

The DCG26-12 provides useful reserve-energy performance across different load levels.

• Reserve capacity at 25A: 33 minutes
• Reserve capacity at 75A: 6 minutes

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

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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
• Compact deep cycle battery banks
• Commercial equipment
• Personal deep-cycle applications
• Compatible 12V auxiliary power systems

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📐 PRODUCT SPECIFICATIONS

Brand: Fullriver

Model: DCG26-12

Series: DCG Series

Battery type: Deep Cycle Gel

Nominal voltage: 12V

Group size: N/A

Capacity at 1HR rate: 15.6Ah

Capacity at 5HR rate: 22.5Ah

Capacity at 20HR rate: 26Ah

Capacity at 100HR rate: 29Ah

Reserve capacity at 25A: 33 minutes

Reserve capacity at 75A: 6 minutes

Internal resistance: 16.00mΩ

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 9.5kg

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

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📏 DIMENSIONS

Length: 165mm

Width: 176mm

Height: 125mm

Height including terminals: 125mm

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📦 WHAT’S INCLUDED?

• 1 × Fullriver DCG26-12 12V 26Ah 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
• Physical dimensions
• Terminal type – M6
• Terminal orientation and polarity
• Charging profile
• Available installation space
• Deep cycle application requirements

⚠️ IMPORTANT: Gel batteries require a compatible charging profile. Do not assume that a charger configured for another battery chemistry is 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 DCG26-12?

The DCG26-12 is a sealed 12V Deep Cycle GelWhat type of battery is the Fullriver DCG26-12?

The DCG26-12 is a sealed 12V Deep Cycle Gel battery from Fullriver’s DCG Series.

What is the battery capacity?

The battery is rated at 26Ah at the 20-hour discharge rate.

What are the other capacity ratings?

The supplied specifications list 15.6Ah at the 1-hour rate, 22.5Ah at the 5-hour rate, 26Ah at the 20-hour rate and 29Ah at the 100-hour rate.

Is the DCG26-12 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 the 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 particularly suited to many slow-discharge and repeated cycling applications.

What is the reserve capacity?

The DCG26-12 provides approximately 33 minutes of reserve capacity at a 25A load and approximately 6 minutes at a 75A load.

How many cycles can the DCG26-12 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 battery require maintenance?

No routine watering or electrolyte top-ups are required because the DCG26-12 uses sealed Gel construction.

Can the battery 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 requirements of the equipment and installation enclosure.

Is the DCG26-12 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 system requires a compatible 12V deep cycle Gel battery with matching capacity, dimensions, terminals and charging requirements.

Is the battery suitable for marine auxiliary power?

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

Can the DCG26-12 be used for mobility equipment?

Yes, where the mobility equipment requires a compatible 12V 26Ah Gel battery with M6 terminals and the correct physical dimensions.

Can the DCG26-12 be used as an engine-starting battery?

The DCG26-12 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 battery use?

The DCG26-12 uses M6 terminals with a recommended terminal torque of 40–55 in-lbs.

What are the battery dimensions?

The battery measures approximately 165mm long, 176mm wide and 125mm high including the terminals.

How much does the battery weigh?

The DCG26-12 weighs approximately 9.5kg.

What is the internal resistance?

The supplied internal resistance specification is approximately 16.00mΩ.

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 batteries can require different charging voltages from AGM batteries, so charger compatibility should always be confirmed before use.

How do I know if the DCG26-12 will replace my existing battery?

Compare the required voltage, battery chemistry, capacity, physical dimensions, M6 terminal configuration and charging profile with your existing battery and equipment specifications before purchase.

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🔋 LONG-LIFE DEEP CYCLE GEL POWER FOR DEMANDING APPLICATIONS

Choose the Fullriver DCG26-12 when you need dependable repeated cycling, maintenance-free operation and durable Gel battery technology in a compact 12V package.

With 26Ah capacity, approximately 1300 cycles at 50% depth of discharge, 33-minute reserve capacity, pure virgin lead construction and a sealed Gel electrolyte system, the DCG26-12 is built for compatible mobility, solar, caravan, marine, backup and equipment applications.

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