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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

850 Amp 12V High Current Car Audio Power Cell

• 12V High Current Car Audio Power Cell
• Sealed Absorbed Glass Mat (AGM) Design
• Perfect for 600W Car Audio Stereo Systems
• Ultra Low ESR
• 850 Amps
• 20 Amp Hours
• 100% Sealed and Maintenance Free

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

$54.99

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

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

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

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

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!

$59.99

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

2600 Amp 12V High Current Car Audio Power Cell

• 12V High Current Car Audio Power Cell
• Sealed Absorbed Glass Mat (AGM) Design
• Perfect for 2400W Car Audio Stereo Systems
• Ultra Low ESR
• 2600 Amps
• 128 Amp Hours
• 100% Sealed and Maintenance Free

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

$239.99

IN STOCK

Solid Brass Short Side Mount Battery Post Adapter

• Short 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

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

Terminal Posts For Kinetik Power Cells

• Power Top Post
• Silver Plated Brass

$9.99

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

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

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

$6.95

IN STOCK

1600 Watt 12V/16V High Current AGM Car Audio Power Cell

• 12V/16V High Current Car Audio Power Cell
• Sealed Absorbed Glass Mat (AGM) Design
• Perfect for 1600W Car Audio Stereo Systems
• Ultra Low ESR
• Cranking Amps: 1250
• 55 Amp Hours
• 100% Sealed and Maintenance Free

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

$209.99

IN STOCK

Only 1 Left!

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

XS Power 500 Battery Heat Protection Wrap

• XS Power 500 Battery Heat Wrap
• Universal Heat Wrap For Battery Protection
• Capable of Withstanding Radiant Temperatures up to 2000 Degrees

$29.99

IN STOCK

2 Pair of SAE Posts with M6 for Select Shuriken Batteries

• One Pair of Long and One Pair of Short SAE Posts for SK-BT35 thru SKBT100
• Posts with M6 that has 15mm and 27.5mm Posts
• Two Sets

$12.99

IN STOCK

Only 2 Left!

XP750 AGM Battery + Installation Kit for 1000-1500 Watt Audio Sytems

• Includes a Secondary Battery and All Necessary Wiring
• Thick but Flexible CCA Wiring • Complies with American Wire Gauge Standards

$149.99

IN STOCK

Only 3 Left!

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.