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

  • 4.8
4 reviews

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

2 Pack of Satin Chrome-Plated Positive/Negative Battery Terminals with one 0/1 Gauge Input and two 4 Gauge Outputs

2 Pack of Positive or Negative Battery Terminal Clamp • Connects to the positive or negative battery terminal • Splits the connection to 3 outputs • One 1/0 and Two 4 AWG or 8 AWG outputs

$34.98

IN STOCK

  • 4.9
7 reviews

200 Amp Relay Isolator (BIR200)

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

Add an NVX Battery Isolator to your Battery Purchase.

$39.99

IN STOCK

1/0 AWG Big 3 Upgrade Kit with CCA Wire for Audio Sytems up to 250 Amps

• Upgrade Your Factory Power and Ground Wire
• Perfect for Dealing with Dimming Lights
• Improve the Efficiency of Your Vehicle's Electrical System
• Use for Systems 250A or Less
• Includes All Necessary Wiring
• Ring Terminals are Pre-Connected to Power and Ground Wire
• 30% Copper CCA Wire

Add a pair of Large Gauge Cable Crimper and Save 15%

$34.99

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

  • 5.0
1 review

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

  • 5.0
1 review

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

  • 5.0
1 review

0/4/8GA Core Universal Battery Terminal

• Positive or negative battery terminal
• Accepts 0 AWG, 4 AWG or 8 AWG cable
• Clamp-type terminal
• Strong polycarbonate protective cover

$8.99

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

10% off an NVX Battery Isolator with your Battery Purchase.

$105.99

IN STOCK

  • 4.8
5 reviews

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

25% off an NVX Battery Isolator with your Battery Purchase.

$49.95

IN STOCK

  • 5.0
4 reviews

200 Amp Circuit Breaker

• 1/0-AWG / 4-AWG inputs
• Platinum plated
• Low-resistance, high-current ability
• Set screw style connection - no need for ring terminals

$27.99

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

  • 5.0
6 reviews

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

Add an NVX Battery Isolator to your Battery Purchase.

$222.95

IN STOCK

  • 5.0
3 reviews

4 Gauge Positive/Negative Battery Terminal

• 4 Gauge Positive/Negative Battery Terminal
• Solid Brass Construction
• High Tolerance Compact Molded ABS
• Water Resistant

$10.99

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

  • 4.8
6 reviews

8,000W Peak (4,000W RMS) Arachnid Series Class-D Monoblock 1-Ohm Stable Amplifier

• 1500 Watts RMS x 1 @ 4 ohms
• 2500 Watts RMS x 1 @ 2 ohms
• 4000 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 8000 Watts
• Built-in low-pass filter
• Variable Bass Boost
• Aluminum Heatsink
• 8.5" W x 18.5" L x 2" H

Save 25% on a 4 Gauge Amp Kit with Purchase!

$190.99

IN STOCK

  • 4.5
4 reviews

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

500 Amp Battery Isolator and Relay

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

$52.99

IN STOCK

  • 5.0
9 reviews

Terminal Posts For Kinetik Power Cells

• Power Top Post
• Silver Plated Brass

$10.99

IN STOCK

Positive/Negative Battery Terminal w/ Platinum Finish - (2) 1/0 AWG/4 AWG Input (2) 8 AWG inputs

• 4 AWG or 1/0 AWG Positive-Negative Battery Terminal
• Custom Tooled Brass
• HPP Plating
• Strong Plastic Casing

$22.99

IN STOCK

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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.