VMAX CT2500 12V 125Ah AGM Deep Cycle Battery

The VMAX CT2500 is built for people who want more than just sound—it’s for those who want power they can count on. Whether in your car, truck, or boat, this battery delivers the strength your audio system needs to hit harder, play longer, and stay reliable. Trusted for quality and built to last, VMAX is the choice when only the best will do.

Key Uses

• Car Audio: Supports up to 2500Wrms / 5000W max

• Hydraulics

Specifications

• Nominal Voltage: 12V

• 20 Hr Capacity: 125Ah

• Burst Amps: 2500A

• Terminal Posts: 8mm (included)

• Dimensions: 13" W x 6.8" D x 8.7" H

• Weight: 75 lb

• Charging Current: 8A – 35A

• Charging Voltage: 14.4V – 14.9V

• Float Voltage: 13.5V – 13.8V

Recommended Charging Options

• AC Chargers: Any quality AGM smart or microprocessor-controlled charger with the above specs

• Vehicle Alternator: 14V – 15V

• RV Converter: 14V – 15V

• Solar Panel: 175W – 450W

• Wind Turbine: 175W – 450W

• Charge Controller: 20A and up

Important Notes:

• Do not use a charger with smaller amperage than the recommended charging current.

• Maintainers should only be used to maintain a fully charged battery, never as the main charger.

Operating Temperature Range

• Discharge: -4°F ~ 140°F

• Charge: 14°F ~ 140°F

• Storage: -4°F ~ 140°F

Temperature Compensation

• Cycle Use: -30mV/C

• Standby Use: -20mV/C

BCI Group Code

• Group 31

• Matching Termination: Positive (LHS), Negative (RHS)