American Bass Stealth ST-550 55Ah AGM Car Audio Battery
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- 55Ah of 12V reserve capacity built on sealed Absorbed Glass Mat (AGM) technology
- Supports amplifier setups up to 1500 watts
- 660A max discharge current (5s burst) with an ultra-low 7.5mΩ internal resistance for minimal voltage sag
- Fully sealed, maintenance-free ABS housing — mount in virtually any position, no spills or corrosion
- Stable, clean 12-volt delivery that keeps amplifiers out of clipping during hard-hitting bass
Stealth Energy 550 — 55Ah AGM Car Audio Battery (ST-550)
This Listing Includes:
- (1) Stealth Energy 550 Battery
The Stealth 550 steps the Stealth Energy lineup into serious territory with 55 amp-hours of capacity and support for amplifier setups up to 1500 watts. It delivers the stable voltage, fast recovery, and headroom that multi-amplifier and high-output subwoofer builds depend on during sustained, hard-hitting playback. Run it as a beefy secondary battery or as the backbone of a dedicated audio rig. Authorized American Bass & Stealth Energy dealer at JS Ultimate Sounds. Free shipping on orders $99+.
Features
- 12V 55Ah sealed AGM battery for car audio and 12V power applications
- Amplifier support up to 1500 watts
- 660A maximum discharge current (5-second burst) for instant power on demand
- Approximately 7.5mΩ internal resistance for fast, efficient energy delivery
- Maintenance-free, spill-proof ABS construction with T6 terminals
Specifications
| Nominal Voltage | 12V |
| Nominal Capacity (20HR) | 55.0Ah |
| Approximate Weight | 16.2 kg (35.2 lbs) |
| Terminal | T6 |
| Container Material | ABS |
| Max. Discharge Current | 660A (5s) |
| Internal Resistance (approx.) | 7.5mΩ |
| Dimensions |
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| Amplifier Support | Up to 1500 watts |
