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

XS Power Car Batteries & Power

XS Power Car Batteries & Power Cells
XS Power Capacitors
XS Power Battery Accessories
XS Power Big 3 Upgrade Kits
XS Power Power & Ground Wire
XS Power 12 Volt Power Supplies

Top Sellers in XS Power Car Batteries & Power

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

Add an XS Power 580 M6 Brass Terminal Post Adapter Kit

$14.97

IN STOCK

12-Volt Deep Cycle Sealed Non-Spillable Lead Acid AGM Battery Power Cell with 3300 Max Amps (BCI Group 34)

• 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

Add an XS Power Battery Wrap to Your Battery Purchase!

$299.99

IN STOCK

I-BAR Side and Top Terminal Adapter Kit

• I-BAR Side and Top Terminal Adapter Kit
• Mounts to Any i-BAR Compatible Battery
• Provides GM Style Threaded Side Post Terminals
• Brass Coated Battery Post Material

$21.99

IN STOCK

Only 1 Left!

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

Add an XS Power 555 Side and Top Terminal Adapter Kit

$24.99

IN STOCK

Only 1 Left!

D3400 Antique Series 12-Volt Deep Cycle Sealed Non-Spillable Lead Acid AGM Battery Power Cell with 3300 Max Amps (BCI Group 34)

• 12-Volt Antique Series AGM Starting Battery
• Perfect for 2500W - 3300W Car Audio Stereo Systems
• Leak-Proof, Non-Hazardous Design
• Resists Extreme Vibrations
• 100% Sealed and Maintenance Free
• Sealed Absorbed Glass Mat

$259.99

IN STOCK

12-Volt Deep Cycle AGM Battery Power Cell with 5000 Max Amps

• Perfect for 4000W - 5000W Car Audio Stereo Systems
• Leak-Proof, Non-Hazardous Design
• Resists Extreme Vibrations
• 100% Sealed and Maintenance Free
• Sealed Absorbed Glass Mat

Add an XS Power Battery Wrap to Your Battery Purchase!

$399.99

IN STOCK

Only 3 Left!

Battery Heat Wrap Protection

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

Get 25% off an XS Power Battery Wrap with Purchase!

$29.99

IN STOCK

Only 2 Left!

12-Volt Deep Cycle AGM Battery Power Cell with 2100 Max Amps

• 12-Volt Deep Cycle AGM Power Cell
• Perfect for 1000W - 2000W Car Audio Stereo Systems
• Leak-Proof, Non-Hazardous Design
• Resists Extreme Vibrations
• 100% Sealed and Maintenance Free
• Sealed Absorbed Glass Mat

Add an XS Power Battery Wrap to Your Battery Purchase!

$179.99

IN STOCK

Only 2 Left!

12-Volt Deep Cycle AGM Battery Power Cell with 2000 Max Amps

• 12-Volt Deep Cycle AGM Power Cell
• Perfect for 1000W - 2000W Car Audio Stereo Systems
• Leak-Proof, Non-Hazardous Design
• Resists Extreme Vibrations
• 100% Sealed and Maintenance Free
• Sealed Absorbed Glass Mat

Add an XS Power Battery Wrap to Your Battery Purchase!

$169.99

IN STOCK

I-BAR Multi Top Post Terminal Adapter Kit

• I-BAR Multi Top Post Terminal Adapter Kit
• Mounts to Any i-BAR Compatible Battery
• Provides Two Sets of Positive and Negative Top-Post
• Copper Coated Battery Post Material

Add an XS Power 556 Top Terminal Adapter Kit

$24.99

IN STOCK

Only 3 Left!

12-Volt Deep Cycle AGM Battery Power Cell with 1000 Max Amps

• 12-Volt Deep Cycle AGM Power Cell
• Perfect for 1000W Car Audio Stereo Systems
• Leak-Proof, Non-Hazardous Design
• Resists Extreme Vibrations
• 100% Sealed and Maintenance Free
• Sealed Absorbed Glass Mat

Add an XS Power Battery Wrap to Your Battery Purchase!

$125.99

AVAILABLE

Ships at Later Date

14-Volt Deep Cycle AGM Battery Power Cell with 2400 Max Amps

• 14-Volt Deep Cycle AGM Power Cell
• Perfect for 1500W - 3000W Car Audio Stereo Systems
• Leak-Proof, Non-Hazardous Design
• Resists Extreme Vibrations
• 100% Sealed and Maintenance Free
• Sealed Absorbed Glass Mat

Get 25% off an XS Power Battery Wrap with Purchase!

$269.99

IN STOCK

16-Volt AGM Battery Power Cell with 2400 Max Amps

• 16-Volt AGM Power Cell Racing Battery
• Sealed Absorbed Glass Mat Design
• Cutting-Edge Lead Acid Battery Technology
• Great for Racing, Car Audio, Motorcycles, ATVs, and Marine
• Leak-Proof, Non-Hazardous Design

Add an XS Power Battery Wrap to Your Battery Purchase!

$269.99

AVAILABLE

Ships at Later Date

I-BAR Marine Side and Top Terminal Adapter Kit with 5/16" and 3/8" Studs

• I-BAR Marine Side and Top Terminal Adapter Kit
• Mounts to Any i-BAR Compatible Battery
• Provides GM Style Threaded Side Post Terminals
• Copper Coated Battery Post Material
• 5/16" and 3/8" Studs Included

Add an XS Power 553 Side and Top Terminal Adapter Kit

$49.99

AVAILABLE

Ships at Later Date

1/0 Gauge XS FLEX 100% OFC Secondary Battery Installation Wiring Kit for up to 4000 Watt Audio Systems

• 1/0 Gauge OFC Secondary Battery Installation Kit
• Designed for 3500-4000 Watt Audio Systems
• Pre Ring Terminated Power and Ground
• (2) ANL Fuse Holders with 350 Amp Fuses
• Install Accessories (Zip Ties, Wire Clamps and Screws)

Save Time with an XS Power 2nd Battery Installation Kit

$169.99

AVAILABLE

Ships at Later Date

12-Volt Deep Cycle AGM Battery Power Cell with 4300 Max Amps

• 12-Volt Deep Cycle AGM Power Cell
• Perfect for 3500W - 4500W Car Audio Stereo Systems
• Leak-Proof, Non-Hazardous Design
• Resists Extreme Vibrations
• 100% Sealed and Maintenance Free
• Sealed Absorbed Glass Mat

Add an XS Power Battery Wrap to Your Battery Purchase!

$339.99

IN STOCK

Only 1 Left!

12-Volt Deep Cycle AGM Battery Power Cell with 800 Max Amps

• 12-Volt Deep Cycle AGM Power Cell
• Perfect for 600W Car Audio Stereo Systems
• Leak-Proof, Non-Hazardous Design
• Resists Extreme Vibrations
• 100% Sealed and Maintenance Free
• Sealed Absorbed Glass Mat

Add an XS Power Battery Wrap to Your Battery Purchase!

$109.99

AVAILABLE

Ships at Later Date

I-BAR Marine Top Terminal Adapter with 5/16" and 3/8" Studs

• I-BAR Marine Top Terminal Adapter Kit
• Mounts to Any i-BAR Compatible Battery
• Provides GM Style Threaded Top Post Terminals
• Brass Coated Battery Post Material
• 5/16" and 3/8" Studs Included

Add an XS Power 554 Top Terminal Adapter Kit

$49.99

AVAILABLE

Ships at Later Date

12-Volt Deep Cycle AGM Battery Power Cell with 6000 Max Amps

• 12-Volt Deep Cycle AGM Power Cell
• Perfect for 6000W - 7500W Car Audio Stereo Systems
• Leak-Proof, Non-Hazardous Design
• Resists Extreme Vibrations
• 100% Sealed and Maintenance Free
• Sealed Absorbed Glass Mat

Add an XS Power Battery Wrap to Your Battery Purchase!

$559.99

AVAILABLE

Ships at Later Date

Pair of 5/16" 12-volt battery terminal adapters for marine applications

• 5/16" Brass Stud
• M6 Thread
• Steel Wingnut inlcuded
• For Marine Use

$14.99

AVAILABLE

Ships at Later Date

Load More
Error - Sonic Electronix

Error

Something happened, and we're working on fixing it. In the meantime...

Please browse or search to discover products, and feel free to contact us if you need further assistance.

Back to Sonic Electronix