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Satisfy your power hungry audio system with high performance batteries and power cells. Find batteries and accessories including terminals, power supplies, isolators and relays.

Car Batteries & Power

Sometimes your high powered audio systems are going to require too much power than what your normal battery is able to produce. Lucky for you, you will find your ideal high-performance power cells right here as we offer the best car battery prices online. We also carry a large variety of auto accessories and battery chargers to help you with the installation of your high performance 12 volt battery or power cell.
Car Batteries & Power Cells
Capacitors
Battery Accessories
Battery Isolators & Relays
Power Inverters
Amplifier Wiring Kits
Big 3 Upgrade Kits
Power & Ground Wire
High Output Alternators
12 Volt Power Supplies
Voltage Monitoring

Top Sellers in Car Batteries & Power

500 Amp Relay Isolator (BIR500)

• 500 Amp Battery Isolator
• 500 Amps at 12V Continuous
• 700 Amps Surge
• Switching Power: 10 - 16 VDC

$49.99

IN STOCK

0 Gauge (1" Mounting Hole) Waterproof Firewall Grommet

• 0 Gauge Firewall Grommet
• IP68 Waterproof Rating
• Protects Cables When Installing Through a FIrewall
• Sold Individually

$7.99

IN STOCK

Destroys the Kinetik HC600 -- 12-Volt Deep Cycle AGM Battery Power Cell for systems up to 1000W RMS

• Easily handles systems up to 1000W RMS
• 12V Operating Voltage
• 18 Amp hours

Get a FREE Energie ER1000 Battery with Purchase!

$57.99

IN STOCK

10 Pack of 0 Gauge Waterproof Grommets

• 10 Pack of 1/0 Gauge Waterproof Grommets
• Water Tight Seal
• Locks Securely as Bushing is Tightened
• Heavy Duty Construction
• Corrosion Resistant Material
• Provides a Safe Route for Running Power Cables Through the Firewall

$8.99

IN STOCK

Positive or Negative Competition Brass Battery Terminal with Two 1/0-8 Gauge and One 4-8 Gauge Output

• Positive or Negative Competition Battery Terminal with Two 1/0-8 Gaquge and One 4-8 Gauge Output
• Brass Construction
• (2) 1/0-4 Gauge out
• (1) 4-8 Gauge out
• No Fail Battery Terminal Includes a Negative Post Adapter Collar That Locks Into Place for Tight Grip and Best Connection

$15.95

IN STOCK

4 Gauge (7/8" Mounting Hole) Waterproof Firewall Grommet

• 4 Gauge Firewall Grommet
• IP68 Waterproof Rating
• Protects Cables When Installing Through a FIrewall
• Sold Individually

$1.99

IN STOCK

Kinetik BLU Series 600 Watt 12V High Current AGM Car Audio Power Cell - Battery

• 12V High Current Car Audio Power Cell
• Sealed Absorbed Glass Mat (AGM) Design
• Perfect for 600W Car Audio Stereo Systems
• Ultra Low ESR
• Leak-Proof, non-hazardous design
• 12 Amp Hours
• 100% Sealed and Maintenance Free

$49.95

IN STOCK

Kinetik BLU Series 1200 Watt 12V High Current AGM Car Audio Power Cell - Battery

• 12V High Current Car Audio Power Cell
• Sealed Absorbed Glass Mat (AGM) Design
• Perfect for 1200W Car Audio Stereo Systems
• Ultra Low ESR
• Leak-Proof, non-hazardous design
• 40 Amp Hours
• 100% Sealed and Maintenance Free

$105.99

IN STOCK

Stinger SVMB Blue LED Voltage Display

• LED Voltage Gauge
• Accurate Reading
• Easy to Read LED Display
• 3 Wire Installation
• Flush or Mountable

$19.99

IN STOCK

Positive or Negative Battery Terminal Clamp with 4 Outputs (2 1/0 or 4 Gauge and 2 8 Gauge)

• Splits Connection to 4 Outputs
• Brass Construction
• 1/0 or 4-Gauge and 4 or 8-Gauge Outputs

$19.99

IN STOCK

4 Gauge (7/8" Mounting Hole) Firewall Waterproof Grommet

• 4 Gauge Firewall Bushing
• Water tight seal when power wires pass through metal
• Locks securely as bushing is tightened

$6.99

IN STOCK

10 Pack of 4 Gauge Waterproof Grommets

• 10 Pack of 4 Gauge Waterproof Grommets
• Water Tight Seal
• Locks Securely as Bushing is Tightened
• Heavy Duty Construction
• Corrosion Resistant Material
• Provides a Safe Route for Running Power Cables Through the Firewall

$8.99

IN STOCK

150 AMP Circuit Breaker with Manual Reset

• Manual Reset Circuit Breaker
• Power Rating: 150 Amps
• Push Button Reset
• Water Resistant Housing
• Integrated Holes for Simple Mounting
• Compact and Lightweight Design

$23.99

IN STOCK

80 Amp Battery Isolator and Relay

• Battery Isolator and Relay
• 80 Amp
• Prevents Primary Battery Discharge
• Maximizes the Current Transfer
• Extends Battery Life
• Universal 12V Applications

$11.99

IN STOCK

10 Pack of 8 Gauge Waterproof Grommets

• 10 Pack of 8 Gauge Waterproof Grommets
• Water Tight Seal
• Locks Securely as Bushing is Tightened
• Heavy Duty Construction
• Corrosion Resistant Material
• Provides a Safe Route for Running Power Cables Through the Firewall

$5.95

IN STOCK

12V - 18V DC Car / Marine Voltmeter Voltage Meter Monitoring Gauge

• 12V - 18V Volt DC Car/Marine Voltage Meter Gauge
• LED Color: Red
• Input Voltage: 12 Volt - 24 Volt
• Measure Voltage: 6 - 33 Volts

$9.99

IN STOCK

Only 1 Left!

GM Standard Battery Terminal Post For GM Side Post Style Batteries

• GM Standard Battery Terminal Post For GM Side Post Style Batteries
• Solid Brass Construction
• High Tolerance Compact Molded ABS
• Water Resistant

$8.99

IN STOCK

Kinetik BLU Series 2400 Watt 12V High Current AGM Car Audio Power Cell - Battery

• 12V High Current Car Audio Power Cell
• Sealed Absorbed Glass Mat (AGM) Design
• Perfect for 2400W Car Audio Stereo Systems
• Ultra Low ESR
• Cranking Amps: 1700
• 110 Amp Hours
• 100% Sealed and Maintenance Free

$222.95

IN STOCK

Only 3 Left!

Voltmeter (Voltage Meter) and USB Charger

• Ultra bright LED Voltage Meter Display
• USB Charger
• Charges most smart phones and other accessories
• Plug and Play
• Plugs into 12V power source/cigarette lighter

$14.99

IN STOCK

PRO Classic Battery Terminal (1) 1/0ga + (1) 4ga + (2) 8ga Outputs Shoc-Krome (Positive)

• Positive Battery Terminal
• Shoc-Krome-plated Output
• Impact resistant covers
• One 4 Gauge Output
• One 1/0 Gauge Output
• Two 8 Gauge Outputs

$17.99

IN STOCK

Only 2 Left!

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Car Batteries & Power Information

Car Batteries & Power Cells:

For those that are looking to install some moderate to high powered aftermarket audio equipment in their car, it is smart to supplement the vehicles electrical system with a secondary car battery or power cell. It is important to make sure that the new car audio system will not place too much stress on the electrical system. Many times, dimming lights can be a great indicator that the electrical system needs to be upgraded. A great place to start is by replacing the starting battery with a more powerful auto battery. If more power is still needed, then it is recommended that a secondary battery be installed in the car.

Here you will find our selection of high performance car batteries, power cells, battery isolators, and more.



To find out more about car audio batteries, power cells, isolators, call our friendly support team at 1-877-289-7664.