DS18 INF-55AH INFINITE 55 AH 1750 Watts AGM Power Cell 12 Volt Battery

The DS18 INF-55AH INFINITE 55 AH AGM Power Cell is a high-performance 12-volt battery engineered specifically for high-demand car audio systems. With a 55 amp-hour capacity and a 1750-watt power rating, this AGM power cell delivers stable voltage and high current output to support powerful amplifiers and electrical accessories without voltage drop. Its sealed, maintenance-free AGM construction ensures durability, vibration resistance, and flexible mounting options. Designed for serious car audio enthusiasts, SPL builds, and professional installers, this battery provides reliable reserve power and consistent electrical performance in demanding automotive environments.

KEY BENEFITS

• 55 Ah capacity provides extended reserve power for high-output audio systems
• 1750-watt power rating supports large amplifiers and high current demands
• AGM construction ensures maintenance-free operation and enhanced vibration resistance
• High discharge capability delivers stable voltage during heavy bass transients
• Low internal resistance improves power efficiency and system response
• Sealed, non-spill design allows flexible mounting orientations
• Threaded M6 terminals provide secure and reliable power connections
• Ideal as a secondary battery for SPL and high-performance audio setups

TECHNICAL SPECIFICATIONS

• Weight: 36.30 lb
• Dimensions: 9.00″ L × 5.43″ W × 8.46″ H
• Battery Type: AGM (Absorbed Glass Mat)
• Nominal Voltage: 12.8 V
• Capacity: 55 Ah
• Power Rating: 1750 Watts
• Maximum Discharge Current: 1650 A
• Cranking Amps (CA): 825 A
• Cold Cranking Amps (CCA): 400 A
• Internal Resistance: 6.50 mΩ
• Float Charge Voltage: 13.5 V – 13.8 V
• Recommended Charging Current: 16.5 A
• Terminal Type: M6 threaded bolt
• Battery Group: U1

INSTALLATION & COMPATIBILITY

The DS18 INF-55AH AGM Power Cell is designed for use in automotive electrical systems requiring consistent voltage and high current delivery. It can be installed in trunks, under seats, or custom battery racks thanks to its sealed and non-spill design. For optimal performance, it is recommended to pair this battery with a properly regulated charging system and, in high-power audio applications, a high-output alternator. Suitable for cars, trucks, and SUVs running multiple amplifiers or competition-level sound systems.