Product Description
5000 Watt Car Audio System Battery
The VMAX CT2500 AGM car audio battery is built for serious audio systems that require high reserve power, fast energy delivery, and long-lasting performance. Designed specifically for high-powered amplifiers and aftermarket sound systems up to 5000 peak watts or 2500 watts RMS, this Group 31 AGM battery provides the clean, stable power needed to keep your system performing at its best. Using advanced Absorbed Glass Mat (AGM) technology, the CT2500 is completely maintenance-free, spill-proof, and vibration resistant. Whether you're powering competition-level car audio equipment, custom installs, or mobile electronics, this deep cycle AGM battery delivers strong reserve capacity, rapid recharge acceptance, and the durability needed for use in automotive environments.
Features & Benefits
- 5000 Watt Peak – Designed to support car audio systems up to 5000 watts with high power delivery.
- High Vibration Resistance – Commercial-grade AGM construction to handle heavy audio system vibrations.
- AGM Deep Cycle – Provides stronger cycling performance than standard batteries for repeated discharges.
- Maintenance-Free Design – Sealed non-spillable construction eliminates leaks, and routine maintenance.
- Fast Recharge – Recovers quickly after heavy power draw to maintain consistent system performance.
- Group 31 – Common group size allows a variety of installation hardware options for custom audio builds.
Why Choose VMAX for AGM Car Audio Batteries
VMAX has earned a strong reputation for building premium AGM batteries designed for applications where performance cannot be compromised. Their deep cycle battery technology is trusted across automotive, marine, solar, and backup power systems because it delivers reliable reserve power and long-term durability where standard batteries often fall short.
The CT Series audio system batteries continue that reputation by offering a purpose-built solution for car audio enthusiasts who need more than a standard starting battery. With strong cycling capability, dependable voltage stability, and maintenance-free convenience, the VMAX CT Series helps ensure peak performance of amplifiers and premium sound equipment.
CT2500
VMAX CT2500 Specifications
5000W 125Ah AGM Car Audio Battery
- System Watts (RMS) 2500 Watts
- System Watts (Peak) 5000 Watts
- Group Size 31
- Capacity 125Ah
| Electrical & Performance | |
|---|---|
| Nominal Voltage | 12 Volts |
| Type | AGM Deep Cycle |
| System Watts (RMS) | 2500 Watts |
| System Watts (Peak) | 5000 Watts |
| Peak Amps | 2500 Amps |
| Capacity | 125Ah |
| Dimensions & Fitment | |
| Group Size | 31 |
| Length | 12.9" (328 mm) |
| Width | 6.8" (173 mm) |
| Height | 8.5" (216 mm) 8.7" (221 mm) w/terminals |
| Terminals | M8 Inserts |
| Polarity | + Left / - Right |
| Weight | 75 lbs (34 kg) |
Bulk Pricing on VMAX CT2500 Batteries + Free Shipping
View DetailsHide Details2-3 — $8.00 Off Each
4-8 — $15.00 Off Each
9+ — $20.00 Off Each
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VMAX CT2500 Battery Cross-Reference
View DetailsHide DetailsGroup 31 Batteries w/Studs or Bolt Terminals: 0400122, 15020258, 31-AGM-MT, 31M, 31M-AGM, 31MDP, 31‑PC2150S, 7T31, 7T31P, 8231, 8272, 8A31DTM (Deka), 8A31DTM (P1), 8G31, 8G31DTM, 91083483, 9831DT, AGM31DT, CT2500, D31M, DB8A31DTM, DC31DT, DP31CS, DP31DT, DURHR12-430C/FR-A, HEPPC2150T-M, NSB‑AGM31, NSB-AGM31M, ODX‑AGM31, ODX-AGM31M, MB137-120, MR137-120, PC2150M, SLI31AGMDP, SLI31AGMDPM, SLI31CS, SLI31DP, SLI31DTMAGMDC, SLI31MDC, SLI31MDP, SLI31PHP/SHP, SLR125, SRM-31, US 31DC XC2, US AGM 31, XCA31-1400, XTR31-135.
Important: Always confirm your battery's dimensions, terminal configuration, and specifications before purchase to ensure proper fit and performance.