Expert Service 1-877-289-7664 [Hours]

2nd Annual Warehouse Sale!

Car Batteries & Accessories

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
Battery Wiring and Accessories
12 Volt Power Supplies
Battery Chargers
High Output Alternators

Top 20 in Car Batteries & Accessories

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

Pair of 12 Volt Short Brass Battery Terminal Post Adapters M6

• Pair of 12-Volt Short Brass Terminal Post Adapters
• For Vehicles that Use "Short Style" Battery Posts
• High Quality M6 Threading
• Stainless Steel Hex-Head Bolts Included
• Compatible with All i-BAR Rails

$10.99

IN STOCK

PRO Series Classic Short GM Battery Post Shoc-Krome (Positive or Negative)

• Provide maximum current transfer
• Chrome finish
• Deep wire recesses
• Oversized set screws

$4.99

IN STOCK

12V High Performance AGM Power Cell Battery for Systems Up To 600 Watts

• For Systems Up To 600 Watts
• 20 AH
• Absorbed Glass Matt Technology
• Extreme Heat Resistance
• Super Low ESR
• 100% Sealed and Maintenance Free

Get 10% Off a Smart Battery Charger with Battery Purchase!

$54.99

IN STOCK

200 Amp Relay Isolator (BIR200)

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

$44.99

IN STOCK

80 Amp Relay and Battery Isolator

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

$18.99

IN STOCK

12-Volt Deep Cycle AGM Power Cell with 3300 Max Amps

• 12-Volt Deep Cycle AGM Power Cell
• Perfect for 2500W - 3500W Car Audio Stereo Systems
• Leak-Proof, Non-Hazardous Design
• Resists Extreme Vibrations
• 100% Sealed and Maintenance Free
• Sealed Absorbed Glass Mat

Get 10% off an NVX BIR200 when you Purchase a Battery.

$259.99

IN STOCK

Pair of Tall Brass 12-Volt Terminal Post M6 Adapters for XS Power D925 & D1200 Power Cells

• Pair of Tall Brass 12-Volt Terminal Post M6 Adapters
• Compatible with All i-BAR Rails
• For Vehicles that Use "Tall Style" Battery Posts
• High Quality M6 Threading
• Stainless Steel Hex-Head Bolts Included

$10.99

IN STOCK

Terminal Posts For Kinetik Power Cells

• Power Top Post
• Silver Plated Brass

$9.99

IN STOCK

Platinum-Plated Short Extender GM Battery Terminal Posts

• Short Extender GM Battery Terminal Posts
• Platinum-Plated for Maximum Conductivity
• Works with Both Positive and Negative Terminals
• Retains Factory Connections
• Unique 2 Piece Design

$2.99

IN STOCK

Platinum-Plated Short GM Battery Terminal Posts

• Short GM Battery Terminal Posts
• Platinum-Plated for Maximum Conductivity
• Works with Both Positive and Negative Terminals
• Retains Factory Connections

$4.99

IN STOCK

12-Volt Deep Cycle AGM Power Cell with 950 Max Amps

• 12-Volt Deep Cycle AGM Power Cell
• Sealed Absorbed Glass Mat (AGM) Design
• Can Be Used As a Replacement For Your Vehicles Standard Battery
• Max Amps 950

Get 10% off an NVX BIR200 when you Purchase a Battery.

$129.99

IN STOCK

2250 Amp 12V High Current Car Audio Power Cell

• 12V High Current Car Audio Power Cell
• Sealed Absorbed Glass Mat (AGM) Design
• Perfect for 2000W Car Audio Stereo Systems
• Ultra Low ESR
• 2250 Amps
• 102 Amp Hours
• 100% Sealed and Maintenance Free

Get 10% Off a Smart Battery Charger with Battery Purchase!

$209.99

IN STOCK

850 Amp 12V (22Ah) High Current Car Audio Power Cell Battery

• Sealed Absorbed Glass Mat (AGM) Design
• Perfect for 600W Car Audio Stereo Systems
• Ultra Low ESR
• 850 Amps
• 22 Amp Hours
• 100% Sealed and Maintenance Free

Get 10% Off a Smart Battery Charger with Battery Purchase!

$69.99

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

$49.99

IN STOCK

I-BAR Multi Top Post and Side Terminal Adapter Kit

• I-BAR Multi Top Post and Side Terminal Adapter Kit
• Mounts to Any i-BAR Compatible Battery
• Provides GM Style Threaded Side Post Terminals
• Copper Coated Battery Post Material
• Includes 4 top Mount Post Terminals

$22.99

IN STOCK

Gold-Plated Short Extender GM Battery Terminal Posts

• Short Extender GM Battery Terminal Posts
• Gold-Plated for Maximum Conductivity
• Works with Both Positive and Negative Terminals
• Retains Factory Connections
• Unique 2 Piece Design

$4.99

IN STOCK

Solid Brass Long Side Mount Battery Post Adapter

• Long Side Mount Battery Post Adapter
• Solid Brass Coated
• Features a Connection Terminal for your Vehicle's Electrical Components, as well as a Ring Terminal for your Audio Components

$7.95

IN STOCK

12-Volt Deep Cycle AGM Power Cell with 750 Max Amps

• 12-Volt Deep Cycle AGM Power Cell
• Sealed Absorbed Glass Mat (AGM) Design
• Cranking Amps: 750
• Amp Hours: 22

Get 10% off an NVX BIR200 when you Purchase a Battery.

$99.99

IN STOCK

1 Pair of Side to Top Mount Converter Adapters

• 1 pair of Side to Top Mount Converter Adapters
• Lets you Use Top-Mount Power Cable Connectors on your Battery's Side-Mount Posts
• Gold-Plated for High Conductivity
• Machined from Forged Brass

$8.95

IN STOCK

Car Batteries & Accessories 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.