12V 20Ah 230CCA High Crank Battery (HC20)

⚡ FULLRIVER HC20 12V 20AH HIGH CRANK AGM BATTERY

230CCA High-Performance Starting Battery – BT19BL-BS Size, M6 Button Terminals & Heavy-Duty AGM Construction

🔥 Powerful cranking performance, rapid current delivery and durable AGM construction for demanding engine-starting applications.

The Fullriver HC20 is a high-performance 12V 20Ah High Crank AGM battery engineered for vehicles and equipment requiring strong, reliable starting power from a compact battery.

Delivering 230CCA, 310A CA / MCA, 410A HCA and an impressive 680A pulse hot-cranking output, the HC20 is built for demanding automotive, motorsport, 4WD, marine and powersports starting applications.

High-compression cells, pure lead grids, advanced thin-plate technology and sealed AGM construction combine to deliver dependable high-current performance while resisting vibration and harsh operating conditions.

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⚡ KEY FEATURES

🚀 230CCA High Cranking Output
Provides strong cold-starting performance for compatible engines and demanding starting systems.

⚡ 310A CA / MCA
Delivers substantial cranking performance for compatible automotive and marine starting applications.

🔥 410A Hot Cranking Amps
Provides powerful engine-starting capability under warmer operating conditions.

💥 680A Pulse Hot Cranking Amps
Delivers a strong short-duration current burst when high starting demand is required.

🔋 12V 20Ah AGM Battery
Combines useful stored capacity with high-current starting performance in a compact battery format.

🏁 High-Compression Internal Construction
Designed to support rapid current delivery and dependable operation in demanding vehicle environments.

🛡️ Non-Spillable AGM Design
Sealed construction provides clean, maintenance-free operation under normal conditions.

💪 Shock & Vibration Resistant
Heavy-duty construction is designed for performance, off-road, marine and high-vibration applications.

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

🔧 M6 Button Terminals
Provides secure electrical connections for compatible high-current starting systems.

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🚀 ENGINEERED FOR HIGH-POWER ENGINE STARTING

The Fullriver HC20 is purpose-built for engine-starting applications requiring rapid high-current discharge.

Its high-compression cell structure, pure lead grids and thin-plate technology are designed to deliver substantial current over a short period, helping provide strong and dependable engine cranking.

This makes the HC20 well suited to compatible performance vehicles, 4WDs, motorcycles, powersports equipment, marine engines and specialty vehicles.

⚠️ IMPORTANT: The HC20 is designed primarily for high-current engine starting and should not be treated as a dedicated deep-cycle battery.

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🔥 HIGH-PERFORMANCE CRANKING POWER

The HC20 provides multiple cranking ratings to demonstrate its high-current performance across different operating conditions.

• Cold Cranking Amps: 230A CCA
• Cranking Amps / Marine Cranking Amps: 310A CA / MCA
• Hot Cranking Amps: 410A HCA
• Pulse Hot Cranking Amps: 680A PHCA
• Short Circuit Current: 817A

Its 15mΩ internal resistance supports rapid energy transfer when the starter motor demands high current.

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🏁 BUILT FOR SHOCK & VIBRATION RESISTANCE

The HC20 features high-compression internal cells and a heavy-duty battery case designed to withstand demanding operating environments.

This construction helps support reliable performance in compatible racing, off-road, marine and powersports applications where vibration and movement can place additional stress on the battery.

It is built for applications where dependable starting power and physical durability are both important.

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🛡️ ADVANCED AGM CONSTRUCTION

The HC20 uses sealed Absorbed Glass Mat technology to retain electrolyte within the internal battery structure.

This non-spillable design provides maintenance-free operation under normal conditions and supports flexible installation in compatible applications.

The battery is housed in a durable ABS case with a UL94-HB flame-resistance rating.

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❄️ COLD-WEATHER PERFORMANCE

The HC20 is designed for operation across a temperature range of approximately -20°C to +50°C.

When operating below 0°C, maintaining the battery above 60% state of charge is recommended to support dependable cranking performance.

Correct battery charge becomes particularly important in colder conditions where engine-starting demands can increase.

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🔋 20AH CAPACITY

The HC20 provides 20Ah capacity at the 20-hour rate and 17Ah at the 5-hour rate.

This stored capacity complements its high cranking output, providing a strong combination of starting performance and useful battery capacity for compatible applications.

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🔌 CHARGING SPECIFICATIONS

Correct charging is essential for maintaining starting performance and battery service life.

Maximum charge current: 25% of C20 capacity

For a 20Ah C20 battery, this equates to approximately 5A maximum charge current.

Absorption voltage: 14.4V–14.7V

Float voltage: 13.5V–13.8V

Use a charger suitable for sealed AGM battery chemistry and the specified charging voltage range.

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📐 PRODUCT SPECIFICATIONS

Brand: Fullriver

Model: HC20

Battery type: High Crank AGM Starting Battery

Group size / case size: BT19BL-BS

Nominal voltage: 12V

Capacity at 20HR rate: 20Ah

Capacity at 5HR rate: 17Ah

Cold Cranking Amps: 230A CCA

Cranking Amps / Marine Cranking Amps: 310A CA / MCA

Hot Cranking Amps: 410A HCA

Pulse Hot Cranking Amps: 680A PHCA

Short circuit current: 817A

Internal resistance: 15mΩ

Self-discharge at 25°C: ≤3% per month

Operating temperature: -20°C to +50°C

Terminal type: M6 button terminal

Recommended terminal torque: 40–55 in-lbs

Case material: ABS plastic

Flame-resistance rating: UL94-HB

Maximum charge current: Approximately 5A / 25% of C20

Absorption voltage: 14.4V–14.7V

Float voltage: 13.5V–13.8V

Primary application: High-current engine starting

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📏 DIMENSIONS & WEIGHT

Length: 181mm

Width: 77mm

Height: 167mm

Weight: Approximately 7.0kg / 15.43lb

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🚗 IDEAL APPLICATIONS

• Performance vehicles
• Racing and motorsport vehicles
• 4WD and off-road vehicles
• Motorcycles
• Powersports vehicles
• Marine engine-starting applications
• Classic and enthusiast vehicles
• Emergency and specialty vehicles
• Other compatible high-current starting applications

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📦 WHAT’S INCLUDED?

• 1 × Fullriver HC20 12V 20Ah 230CCA High Crank AGM Battery

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⚠️ FITMENT & COMPATIBILITY INFORMATION

Please confirm all electrical and physical specifications against your existing battery and vehicle requirements before purchasing.

Check the required:

• Battery voltage – 12V
• Battery technology – AGM
• BT19BL-BS case size
• Physical dimensions
• Terminal type – M6 button terminal
• Terminal orientation
• CCA requirement
• Charging-system compatibility
• Engine-starting application

⚠️ IMPORTANT: Do not purchase based on dimensions alone. Battery technology, terminal layout, cranking requirements and charging-system compatibility must also match your application.

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❓ FREQUENTLY ASKED QUESTIONS

What type of battery is the Fullriver HC20?

The HC20 is a sealed 12V High Crank AGM battery designed primarily for high-current engine-starting applications.

What is the capacity of the HC20?

The battery is rated at 20Ah at the 20-hour rate and 17Ah at the 5-hour rate.

What is the Cold Cranking Amps rating?

The Fullriver HC20 is rated at 230CCA.

What other cranking ratings does the HC20 have?

The supplied specifications include 310A CA / MCA, 410A HCA and 680A PHCA.

What is the short circuit current?

The supplied short circuit current specification is 817A.

What is the internal resistance?

The HC20 has a specified internal resistance of approximately 15mΩ.

Is the HC20 suitable for performance or racing vehicles?

Yes. It is designed for compatible performance and motorsport applications requiring strong engine-starting current and durable AGM construction.

Can the HC20 be used in a 4WD?

Yes, where the vehicle requires a compatible 12V AGM starting battery with matching physical dimensions, terminal configuration and cranking specifications.

Is it suitable for motorcycles and powersports equipment?

Yes. The HC20 may be suitable for compatible motorcycles and powersports equipment requiring the correct BT19BL-BS fitment and electrical specifications.

Can the HC20 be used for marine starting?

It may be suitable for compatible marine engine-starting applications where the required voltage, dimensions, terminal configuration and cranking output match.

Is the HC20 a deep cycle battery?

No. The HC20 is designed primarily for high-current engine starting rather than repeated deep-cycle discharge.

Is the battery maintenance-free?

Yes. Its sealed AGM construction means routine electrolyte top-ups are not required under normal operating conditions.

Is the battery non-spillable?

Yes. The AGM construction is designed to be non-spillable under normal operating conditions.

What terminals does the HC20 use?

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

What are the battery dimensions?

The HC20 measures approximately 181mm long, 77mm wide and 167mm high.

How much does the battery weigh?

The HC20 weighs approximately 7.0kg.

What charger should I use?

Use a charger suitable for sealed AGM batteries with an absorption voltage of approximately 14.4V–14.7V and a float voltage of approximately 13.5V–13.8V.

What is the maximum recommended charging current?

The maximum charge current is specified as 25% of the 20Ah C20 capacity, which equates to approximately 5A.

Can the HC20 operate in cold weather?

Yes. Its specified operating temperature range is approximately -20°C to +50°C. When operating below 0°C, maintaining the battery above 60% state of charge is recommended.

How do I know if the HC20 will fit my vehicle?

Compare the BT19BL-BS case size, physical dimensions, M6 button terminal configuration, voltage, CCA rating and charging requirements with your existing battery and vehicle specifications before purchase.

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🏁 HIGH-CRANKING POWER FOR DEMANDING APPLICATIONS

Choose the Fullriver HC20 when your application demands powerful starting performance, compact dimensions and durable AGM construction.

With 230CCA, 680A pulse cranking capability, high-compression cells, pure lead grids and vibration-resistant construction, the HC20 is engineered for compatible performance, motorsport, 4WD, marine and powersports starting applications.

Start stronger with dependable high-current Fullriver AGM performance.