AGM Lead Batteries

Description Specifications Stealth 150 AGM Battery 15Ah 12V SKU: ST-150 Up To 500 Watt Amplifiers 12V AGM Battery, 15 AH Stealth 150 — 15Ah AGM Car Audio Battery for Compact Installs & Entry-Level Power The Stealth 150 is the most compact battery in the Stealth Energy lineup by American Bass — built for enthusiasts who need clean, dedicated 12-volt power without eating up valuable install space. With 15 amp-hours of capacity and support for amplifier setups up to 500 watts, this sealed AGM battery is the easiest way to add a secondary power source to your car audio system and start hearing the difference that stable voltage makes. At just 10.8 lbs and a slim 7.14" × 3.01" × 6.59" footprint, the ST-150 fits where other batteries simply can't — behind seats, under panels, inside custom enclosures, or tucked into a motorcycle or powersports application. Absorbed Glass Mat technology in a fully sealed, maintenance-free ABS housing means you can mount it in any orientation with zero risk of spills, leaks, or corrosion. A 225A max discharge current (5-second burst) delivers the instant power your amplifier needs during peaks and transient bass hits. Why Choose the Stealth 150? The ST-150 is the entry point to dedicated car audio power. If you're running a single amplifier in the 300–500W range and your stock battery is struggling to keep up — lights dimming on bass hits, voltage sagging at high volume — the Stealth 150 solves the problem at the lowest cost and smallest footprint in the lineup. It's also an excellent choice for motorcycle audio, powersports rigs, alarm and security systems, emergency lighting, and any 12V application that needs reliable, compact AGM performance. NOMINAL VOLTAGE 12V NOMINAL CAPACITY(20HR) 15.0AH APPROX WEIGHT Approx 4.9 kg (10.8lbs) TERMINAL T12 CONTAINER MATERIAL ABS MAX. DISCHARGE CURRENT 225A (5s) INTERNAL RESISTANCE APPROX 18mΩ NOMINAL OPERATING TEMP. RANGE 25 3 C (77 5 F ) DIMENSION Length: 181.5 2mm (7.14 inches) Width: 76.5 2mm (3.01 inches) Container Height: 167.5 2mm (6.59 inches) Total Height (with Terminal): 167.5 2mm (6.59 inches) RATED CAPACITY 15.0 AH/0.75A: (20hr ,1.80V/cell,25 C/77 F) 14.0 AH/1.40A: (10hr ,1.80V/cell,25 C/77 F) 12.8 AH/2.55A: (5hr ,1.75V/cell,25 C/77 F)11.5 AH/3.83A: (3hr ,1.75V/cell,25 C/77 F) 9.42 AH/9.42A: (1hr ,1.60V/cell,25 C/77 F) CAPACITY AFFECTED BY TEMPERATURE 40 C (104 F): 103% 25 C (77 F): 100% 0 C (32 F): 86% OPERATING TEMP.RANGE Discharge: -15 50 C (5 122 F) Charge: 0 40 C (32 104 F) Storage: -15 40 C (5 104 F) CYCLE USE Initial Charging Current less than 4.5A.Voltage 14.4V~15.0V at 25 C(77 F)Temp. Coefficient -30mV/ C  STANDBY USE No limit on Initial Charging Current Voltage 13.5V~13.8V at 25 C(77 F)Temp. Coefficient -20mV/ C SELF DISCHARGE Batteries may be stored for up to 6 months at 25 C(77 F) and then a freshening charge is required. For higher temperatures the time interval will be shorter. Support Specification Sheet (PDF)

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Description Specifications Up To 700 Watt Amplifiers 12V AGM Battery, 20 AH Stealth 200 — 20Ah AGM Car Audio Battery for Entry-Level & Secondary Power The Stealth 200 is the compact powerhouse in the Stealth Energy lineup by American Bass. With 20 amp-hours of capacity and support for amplifier setups up to 700 watts, this sealed AGM battery is built for enthusiasts who need clean, reliable power without the size and weight of a full-size battery. At just 12.7 lbs, it fits where other batteries can't — making it the go-to choice for tight installs, secondary battery setups, and single-amp systems that need more than a stock battery can deliver. Featuring Absorbed Glass Mat technology in a fully sealed, maintenance-free ABS enclosure, the ST-200 can be mounted in virtually any position with zero risk of spills or corrosion. A 300A max discharge current (5-second burst) provides the instant power your amplifier demands during hard-hitting bass passages, while the compact 7.14" × 3.03" × 6.59" footprint makes it easy to tuck behind seats, in trunks, or in custom enclosure builds. Why Choose the Stealth 200? Not every build needs a 75Ah or 100Ah battery. The ST-200 is purpose-built for single-amplifier systems, smaller upgrades, and secondary power applications where space and weight matter. It's also an excellent option for powering car audio accessories, emergency backup systems, and other 12V applications that need dependable AGM performance in a small package. NOMINAL VOLTAGE 12V NOMINAL CAPACITY(20HR) 20.0AH APPROX WEIGHT Approx 5.78 kg (12.74lbs) TERMINAL T12 CONTAINER MATERIAL ABS MAX. DISCHARGE CURRENT 300A (5s) INTERNAL RESISTANCE APPROX 15mB NOMINAL OPERATING TEMP. RANGE 25 +3 C (77+5 F ) DIMENSION Length: 181.512mm (7.14 inches) Width: 7712mm (3.03 inches) Container Height: 167.512mm (6.59 inches) Total Height (with Terminal): 167.512mm (6.59 inches) RATED CAPACITY 20.0 AH/1.00A: (20hr ,1.80V/cell,25 C/77 F) 18.6 AH/1.86A: (10hr ,1.80V/cell,25 C/77 F) 17.0 AH/3.40A: (5hr ,1.75V/cell,25 C/77 F) 15.3 AH/5.10A: (3hr ,1.75V/cell,25 C/77 F) 12.6 AH/12.6A: (1hr ,1.60V/cell,25 C/77 F) CAPACITY AFFECTED BY TEMPERATURE 40 C (104 F): 103% 25 C (77 F): 100% 0 C (32 F): 86% OPERATING TEMP.RANGE Discharge: -15~50 C (5~122 F) Charge: 0~40 C (32~104 F) Storage: -15~40 C (5~104 CYCLE USE Initial Charging Current less than 6.0A.Voltage 14.4V~15.0V at 25 C(77 F)Temp. Coefficient -30mV/ C  STANDBY USE No limit on Initial Charging Current Voltage 13.5V~13.8V at 25 C(77 F)Temp. Coefficient -20mV/ C SELF DISCHARGE Batteries may be stored for up to 6 months at 25 C(77 F) and then a freshening charge is required. For higher temperatures the time interval will be shorter. Support Specification Sheet (PDF)

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Description Specifications Stealth 350 35Ah 12V AGM Battery for 900W Car Audio Systems SKU: ST-350 Up To 900 Watt Amplifiers 12V AGM Battery, 35 AH Stealth 350 — 35Ah AGM Car Audio Battery for Mid-Range Systems The Stealth 350 is the mid-range workhorse of the Stealth Energy lineup by American Bass. With 35 amp-hours of capacity and support for amplifier setups up to 900 watts, this sealed AGM battery hits the balance point that most car audio builds actually need — enough reserve power to eliminate voltage sag and keep your amplifiers performing at their best, in a package that's still compact enough for flexible mounting. Built with Absorbed Glass Mat technology inside a fully sealed, maintenance-free ABS enclosure, the ST-350 delivers clean, stable 12-volt power with no risk of spills, leaks, or acid corrosion. A 525A max discharge current (5-second burst) and low 11mΩ internal resistance mean fast, efficient power delivery right when your system demands it — on transient bass hits, sustained low notes, and everything in between. Why Choose the Stealth 350? The ST-350 is the most versatile battery in the Stealth Energy range. It's large enough to serve as the sole dedicated audio battery for a single high-powered amplifier or a modest two-amp setup, yet at 24.7 lbs and a 7.68" × 5.12" × 6.57" footprint, it's still easy to fit into trunks, behind seats, or alongside custom enclosures. If you've outgrown a basic setup but aren't ready for a full 55Ah or 75Ah build, the Stealth 350 is the smart next step. NOMINAL VOLTAGE 12V NOMINAL CAPACITY(20HR) 35.0AH APPROX WEIGHT Approx 11.2 kg (24.7 lbs) TERMINAL T6 CONTAINER MATERIAL ABS MAX. DISCHARGE CURRENT 525A (5s) INTERNAL RESISTANCE APPROX Approx 11mΩ NOMINAL OPERATING TEMP. RANGE 25+3 C (77+5 F ) DIMENSION Length: 195+2mm (7.68 inches) Width: 130+2mm (5.12 inches) Container Height: 164+2mm (6.46 inches) Total Height (with Terminal): 167+2mm (6.57 inches) RATED CAPACITY 35.0 AH/1.75A: (20hr ,1.80V/cell,25 C/77 F) 32.6 AH/3.26A: (10hr ,1.80V/cell,25 C/77 F) 29.7 AH/5.95A: (5hr ,1.75V/cell,25 C/77 F) 26.8 AH/8.93A: (3hr ,1.75V/cell,25 C/77 F) 22.0 AH/22.0A: (1hr ,1.60V/cell,25 C/77 F) CAPACITY AFFECTED BY TEMPERATURE 40 C (104 F): 103% 25 C (77 F): 100% 0 C (32 F): 86% OPERATING TEMP.RANGE Discharge: -15~50 C (5~122 F) Charge: 0~40 C (32~104 F) Storage: -15~40 C (5~104 F) CYCLE USE Initial Charging Current less than 10.5A. Voltage 0 0 0 14.4V~15.0V at 25 C(77 F)Temp. Coefficient -30mV/ C  STANDBY USE No limit on Initial Charging Current Voltage 13.5V~13.8V at 25 C(77 F)Temp. Coefficient -20mV/ C SELF DISCHARGE Batteries may be stored for up to 6 months at 25 C(77 F) and then a freshening charge is required. For higher temperatures, the time interval will be shorter. Support Specification Sheet (PDF)

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Description Specifications Stealth 550 12V AGM Battery 55Ah Power for 1500W Amps SKU: ST-550 Up To 1500 Watt Amplifiers Stealth 550 — 55Ah AGM Car Audio Battery for Serious Builds The Stealth 550 is where the Stealth Energy lineup by American Bass steps into serious territory. With 55 amp-hours of capacity and support for amplifier setups up to 1500 watts, this sealed AGM battery delivers the kind of deep reserve power that multi-amplifier builds, and high-output subwoofer systems depend on — stable voltage, fast recovery, and the headroom to keep everything performing at full potential during sustained, hard-hitting playback. Engineered with Absorbed Glass Mat technology inside a fully sealed, maintenance-free ABS enclosure, the ST-550 provides clean, reliable 12-volt power with zero maintenance. A 660A max discharge current (5-second burst) and an ultra-low 7.5mΩ internal resistance translate to fast energy delivery with minimal voltage sag — exactly what your amplifiers need to stay out of clipping and protect your speakers. Why Choose the Stealth 550? The ST-550 occupies the performance sweet spot for builders who are running real power. It has the capacity to anchor a dedicated sub amp plus a four-channel setup, or to serve as a beefy secondary battery alongside a stock or upgraded starting battery. At 35 lbs and a 9.02" × 5.43" × 8.31" footprint, it's significantly more powerful than the mid-range options in the lineup while still fitting comfortably in most trunk and cargo area installs. If your system is pushing past 1000 watts and you're noticing dimming lights or inconsistent bass output, the Stealth 550 is built to solve that problem. NOMINAL VOLTAGE 12V NOMINAL CAPACITY(20HR) 55.0AH APPROX WEIGHT Approx 16.2 kg (35.17lbs) TERMINAL T6 CONTAINER MATERIAL ABS MAX. DISCHARGE CURRENT 660A (5s) INTERNAL RESISTANCE APPROX Approx 7.5mΩ NOMINAL OPERATING TEMP. RANGE 25+3 C (77+5 F ) DIMENSION Length: 229+3mm (9.02 inches) Width: 138+2mm (5.43 inches) Container Height: 205+3mm (8.07 inches) Total Height (with Terminal): 211+3mm (8.31 inches) RATED CAPACITY 57.2 AH/2.86A: (20hr ,1.80V/cell,25 C/77 F) 55.0 AH/5.50A: (10hr ,1.80V/cell,25 C/77 F) 47.3 AH/9.46A: (5hr ,1.75V/cell,25 C/77 F) 42.9 AH/14.3A: (3hr ,1.75V/cell,25 C/77 F) 33.6 AH/33.6A: (1hr ,1.60V/cell,25 C/77 F) CAPACITY AFFECTED BY TEMPERATURE 40 C (104 F): 103% 25 C (77 F): 100% 0 C (32 F): 86% OPERATING TEMP.RANGE Discharge: -15~50 C (5~122 F) Charge: 0~40 C (32~104 F) Storage: -15~40 C (5~104 F) CYCLE USE Initial Charging Current less than 15.5A.Voltage 14.4V~15.0V at 25 C(77 F)Temp. Coefficient -30mV/ C  STANDBY USE No limit on Initial Charging Current Voltage 13.5V~13.8V at 25 C(77 F)Temp. Coefficient -20mV/ C SELF DISCHARGE Batteries may be stored for up to 6 months at 25 C(77 F) and then a freshening charge is required. For higher temperatures, the time interval will be shorter. Support Specification Sheet (PDF)

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Description Specifications Up To 2500 Watt Amplifiers.  12V AGM Battery, 100 AH Stealth 1000 — 100Ah AGM Car Audio Battery for Maximum Output Systems The Stealth 1000 is the flagship of the Stealth Energy lineup by American Bass — the battery you reach for when nothing else can keep up. With 100 amp-hours of capacity and support for amplifier setups up to 2500 watts, this sealed AGM battery is built for competition-grade SPL rigs, multi-amplifier builds, and any system where voltage stability under extreme demand isn't optional. When your amps are pulling serious current on every bass note, the Stealth 1000 delivers the deep, sustained reserve power that separates a great-sounding system from one that's starving for energy. Built with Absorbed Glass Mat technology inside a fully sealed, maintenance-free ABS enclosure, the ST-1000 provides clean, consistent 12-volt power with zero risk of spills or corrosion — mount it in your trunk, cargo area, or custom enclosure without worry. A massive 1200A max discharge current (5-second burst) and an exceptionally low 4.9mΩ internal resistance mean your amplifiers get instant, efficient power delivery with minimal voltage drop, even under the most punishing loads. Why Choose the Stealth 1000? If your system is running 2000+ watts or you're stacking multiple high-current amplifiers, the ST-1000 is the battery that keeps everything stable. It eliminates the voltage sag that causes clipping, protects your amplifiers from brownout conditions, and gives competition builders the sustained energy reserve needed for long demo sessions and metered runs. At 67.5 lbs and a 12.99" × 6.81" × 8.66" footprint, it's a substantial piece of hardware — purpose-built for builds where power output is the priority and compromise isn't in the plan. NOMINAL VOLTAGE 12V NOMINAL CAPACITY(20HR) 100.0AH APPROX WEIGHT 30.6 Kg (67.5Ibs) TERMINAL  T11 CONTAINER MATERIAL ABS MAX. DISCHARGE CURRENT 1200A (5s) INTERNAL RESISTANCE APPROX Approx 4.9mΩ NOMINAL OPERATING TEMP. RANGE 25+3 C (77+5 F ) DIMENSION Length: 330+3mm (12.99 inches) Width: 173+2mm (6.81 inches) Container Height: 212+3mm (8.35 inches) Total Height (with Terminal): 220+3mm (8.66 inches) RATED CAPACITY 107.2 AH/5.36A: (20hr ,1.80V/cell,25 C/77 F) 100.0 AH/10.0A: (10hr ,1.80V/cell,25 C/77 F) 87.7 AH/17.5A: (5hr ,1.75V/cell,25 C/77 F) 79.5 AH/26.5A: (3hr ,1.75V/cell,25 C/77 F) 64.6 AH/64.6A: (1hr ,1.60V/cell,25 C/77 F) CAPACITY AFFECTED BY TEMPERATURE 40 C (104 F): 103% 25 C (77 F): 100% 0 C (32 F): 86% OPERATING TEMP.RANGE Discharge: -15~50 C (5~122 F) Charge: 0~40 C (32~104 F) Storage: -15~40 C (5~104 F) CYCLE USE Initial Charging Current less than 30.0A.Voltage 14.4V~15.0V at 25 C(77 F)Temp. Coefficient -30mV/ C  STANDBY USE No limit on Initial Charging Current Voltage 13.5V~13.8V at 25 C(77 F)Temp. Coefficient -20mV/ C SELF DISCHARGE Batteries may be stored for up to 6 months at 25 C(77 F) and then a freshening charge is required. For higher temperatures the time interval will be shorter. Support Specification Sheet (PDF)

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Description Specifications Up To 1800 Watt Amplifiers 12V AGM Battery, 75 AH The Stealth 750 from Stealth Energy by American Bass delivers the deep reserve power that demanding car audio systems need. With 75 amp-hours of capacity and support for amplifier setups up to 1800 watts, this sealed AGM battery is engineered to reduce voltage drop, maintain stable output during hard bass hits, and keep your system sounding clean — whether you're competing or just enjoying the ride. Designed specifically for car audio, the ST-750 uses Absorbed Glass Mat technology in a fully sealed, maintenance-free ABS housing. Mount it in virtually any position without worrying about spills, corrosion, or topping off fluids. A 900A max discharge current (5-second burst) and ultra-low 6.6mΩ internal resistance ensure fast power delivery when your amplifiers need it most. Why Choose the Stealth 750? The ST-750 sits in the sweet spot of the Stealth Energy lineup — enough capacity to anchor a serious multi-amplifier build without the weight and footprint of a full 100Ah battery. Use it as a dedicated secondary battery or as your primary power source for systems that demand more than a stock battery can provide. NOMINAL VOLTAGE 12V NOMINAL CAPACITY(20HR) 75.0AH APPROX WEIGHT Approx 22.3 Kg (49.2Ibs) TERMINAL T14 CONTAINER MATERIAL ABS MAX. DISCHARGE CURRENT 900A (5s) INTERNAL RESISTANCE APPROX Approx 6.6mΩ NOMINAL OPERATING TEMP. RANGE 25+3 C (77+5 F ) DIMENSION Length: 260+3mm (10.20 inches) Width: 168+2mm (6.61 inches) Container Height: 208+3mm (8.19 inches) Total Height (with Terminal): 14+3mm (8.43 inches) RATED CAPACITY 80.4 AH/: (20hr ,1.80V/cell,25 C/77 F) 75.0 AH/7.50A: (10hr ,1.80V/cell,25 C/77 F) 65.8 AH/13.2A: (5hr ,1.75V/cell,25 C/77 F) 59.6 AH/19.9A: (3hr ,1.75V/cell,25 C/77 F) 48.5 AH/48.5A: (1hr ,1.60V/cell,25 C/77 F) CAPACITY AFFECTED BY TEMPERATURE 40 C (104 F): 103% 25 C (77 F): 100% 0 C (32 F): 86% OPERATING TEMP.RANGE Discharge: -15~50 C (5~122 F) Charge: 0~40 C (32~104 F) Storage: -15~40 C (5~104 F) CYCLE USE Initial Charging Current less than 22.5A.Voltage 14.4V~15.0V at 25 C(77 F)Temp. Coefficient -30mV/ C  STANDBY USE No limit on Initial Charging Current Voltage 13.5V~13.8V at 25 C(77 F)Temp. Coefficient -20mV/ C SELF DISCHARGE Batteries may be stored for up to 6 months at 25 C(77 F) and then a freshening charge is required. For higher temperatures the time interval will be shorter. Support Specification Sheet (PDF)

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