HardCase 2S-4mm

Professional 2S Hardcase LiPo Batteries with 4mm Bullet Connectors for RC Racing

The DXF HardCase 2S-4mm Series delivers professional-grade power in durable hardcase construction with 4mm bullet connectors. Designed specifically for 1/8 and 1/10 scale RC vehicles, these 2S (7.4V/7.6V HV) batteries provide reliable performance for competitive racing, bashing, and high-performance driving.

Available in both Standard (7.4V) and High Voltage (7.6V HV) configurations with multiple capacity and C-rating options.

Why Choose HardCase 2S-4mm?

🏆 Durable Hardcase Protection
Rigid hardcase construction protects cells from impacts and provides structural support for demanding RC applications.

⚡ 4mm Bullet Connectors
Industry-standard 4mm bullet connectors ensure reliable, low-resistance connections for consistent power delivery.

🚗 Multiple Performance Options
Available in various capacities (5200mAh to 8400mAh) and C-ratings (50C to 140C) to match your specific racing needs.

⚡ Standard & HV Options
Choose between standard 7.4V or High Voltage 7.6V configurations to optimize your RC vehicle's performance.

🎯 Competition-Ready
Proven performance for competitive racing, club events, and high-performance RC driving.

Battery Technology Options

Standard 2S LiPo (7.4V nominal)

• Compatible with all standard ESCs
• Charge to 4.2V per cell maximum (8.4V total)
• Universal compatibility
• Proven, reliable technology

High Voltage 2S LiPo - HV (7.6V nominal)

• Higher voltage output for increased power
• Charge to 4.35V per cell maximum (8.7V total)
• Requires HV-compatible ESC and charger
• Approximately 15% more voltage than standard
• Enhanced performance and extended runtime

Complete 2S Hardcase Range

50C 5200mAh - 7.4V Standard
Balanced performance battery for recreational racing and everyday driving. Good capacity with reliable 50C discharge.

80C 6500mAh - 7.4V Standard
High-capacity battery with strong 80C discharge for extended runtime and competitive performance.

100C 5200mAh - 7.4V Standard
High-performance battery with 100C discharge for aggressive driving and competitive racing.

100C 8400mAh - 7.4V Standard
Maximum capacity with 100C discharge for extended racing sessions and long-duration events.

140C 7200mAh LCG - 7.6V HV
Extreme performance HV battery with 140C discharge and Low Center of Gravity (LCG) design for ultimate racing performance.

Hardcase Design Features

Rigid Protection
Durable hardcase shell protects cells from impacts, crashes, and rough handling during racing.

Structural Support
Hardcase provides structural rigidity, preventing cell damage and maintaining consistent performance.

Professional Appearance
Clean, professional hardcase design looks great in any RC vehicle.

Standard Dimensions
Hardcase batteries are designed to fit standard RC battery trays in 1/8 and 1/10 scale vehicles.

4mm Bullet Connector Advantages

Industry Standard
4mm bullet connectors are widely used in RC racing, ensuring compatibility with most ESCs and vehicles.

Low Resistance
High-quality 4mm connectors provide low-resistance connections for maximum power transfer.

Reliable Connection
Secure, vibration-resistant connections maintain consistent power delivery during aggressive driving.

Easy Maintenance
Standard 4mm connectors are easy to replace or upgrade if needed.

Key Features

⚡ Multiple C-Ratings
Choose from 50C to 140C discharge ratings to match your driving style and vehicle requirements.

🔋 Capacity Options
Available in 5200mAh to 8400mAh capacities for different runtime needs.

🏁 LCG Design Available
Low Center of Gravity design improves handling and cornering performance.

🔌 4mm Bullet Connectors
Industry-standard connectors ensure reliable, low-resistance power delivery.

🛡️ Hardcase Protection
Durable construction protects cells and provides structural support.

⚡ HV Technology Available
High Voltage options provide approximately 15% more voltage for enhanced performance.

Perfect RC Applications

• 1/8 Scale RC Vehicles (Buggy, Truggy, Monster Truck)
• 1/10 Scale RC Vehicles (Touring Car, Short Course, Buggy)
• Competitive RC Racing
• Club Racing Events
• Recreational Bashing
• High-Performance Driving
• RC Boats (with appropriate waterproofing)
• Multi-Rotor RC Aircraft

Choosing Your Battery

Choose by C-Rating:

• 50C: Recreational driving, everyday use
• 80C: Competitive racing, aggressive driving
• 100C: High-performance racing, extreme driving
• 140C: Ultimate performance, professional racing

Choose by Capacity:

• 5200mAh: Balanced performance and weight
• 6500mAh: Extended runtime
• 7200mAh: Long racing sessions (LCG design)
• 8400mAh: Maximum runtime for endurance events

Choose Standard or HV:

• Standard (7.4V): Universal compatibility, proven reliability
• HV (7.6V): Enhanced performance, requires HV-compatible equipment

Best Practices

Charging:

• Standard: Charge to 8.4V (4.2V per cell) maximum
• HV: Charge to 8.7V (4.35V per cell) maximum (requires HV charger)
• Always use balance chargers
• Charge at 1C for optimal lifespan
• Store at 7.6V (3.8V per cell) for long-term storage

Usage:

• Verify ESC compatibility before using HV batteries
• Stop driving when voltage reaches 7.0V under load
• Allow batteries to cool between runs
• Monitor voltage during use
• Inspect hardcase for cracks or damage regularly

Storage and Safety:

• Store in LiPo-safe bags or fireproof containers
• Keep in cool, dry location
• Inspect before every use for damage or swelling
• Never use damaged or swollen batteries
• Dispose of damaged batteries properly

Quality Assurance

RoHS & CE Certified
Meets international quality and safety standards for reliable RC operation.

Quality Control
Every battery undergoes testing to ensure it meets performance specifications and safety standards.

Warranty Support
Backed by DXF's commitment to customer satisfaction with comprehensive warranty coverage.

The Professional Hardcase Choice

The HardCase 2S-4mm Series delivers professional-grade power in durable hardcase construction with reliable 4mm bullet connectors. With multiple capacity options (5200mAh to 8400mAh), C-ratings (50C to 140C), and the choice between standard and HV technology, these batteries provide everything RC racers and enthusiasts need for competitive performance.

DXF HardCase 2S-4mm Series—Durable Protection, Reliable Power, Competition Performance.