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Car Batteries, Power & Battery 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.

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XS Power XV4800

1500W 6Ah Lithium Titanate Oxide Car Battery for Domestic, Japanese, and European Models

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1500W 6Ah Lithium Titanate Oxide Car Battery for Domestic, Japanese, and European Models

• 12 -Volt Car Battery
• Fits in many Domestic, Japanese and European vehicle models
• Fits on Audi, Chevrolet, Ford, GMC, Volkswagen and more
• Lithium Titanate Oxide (LTO) battery
• Includes M6 terminal hardware
• Extremely lightweight design

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$499.99

Available

Ships in 10-14 days

• 12 -Volt Car Battery
• Fits in many Domestic, Japanese and European vehicle models
• Fits on Audi, Chevrolet, Ford, GMC, Volkswagen and more
• Lithium Titanate Oxide (LTO) battery
• Includes M6 terminal hardware
• Extremely lightweight design

XS Power XV3400

1500W 6Ah Lithium Titanate Oxide Car Battery for Domestic, Japanese, and European Models

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1500W 6Ah Lithium Titanate Oxide Car Battery for Domestic, Japanese, and European Models

• 12 -Volt Car Battery
• Fits in many Domestic, Japanese and European vehicle models
• Fits on Jeep, Chrysler, Bentley, Nissan and more
• Lithium Titanate Oxide (LTO) battery
• Includes M6 terminal hardware
• Extremely lightweight design

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$499.99

Available

Ships in 10-14 days

• 12 -Volt Car Battery
• Fits in many Domestic, Japanese and European vehicle models
• Fits on Jeep, Chrysler, Bentley, Nissan and more
• Lithium Titanate Oxide (LTO) battery
• Includes M6 terminal hardware
• Extremely lightweight design

4 Pack of 60 Amp Nickel-Plated AGU Fuse (Belva BAGU60)

Four fuses per order. High quality 60 Amp AGU Fuses

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Four fuses per order. High quality 60 Amp AGU Fuses

• 60A AGU Fuse
• 4 Pack
• Nickel Plated
• Resealable Polybag
• Heavy Duty Construction

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List price $8.99
-56% $3.99

In stock

• 60A AGU Fuse
• 4 Pack
• Nickel Plated
• Resealable Polybag
• Heavy Duty Construction

Shuriken SK-BTX9-BS

12V 8Ah Powersports Absorbed Glass Mat (AGM) Battery

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12V 8Ah Powersports Absorbed Glass Mat (AGM) Battery

• 12-volt Powersports Absorbed Glass Mat (AGM) Battery
• Sealed and non-spillable Absorbed Glass Mat (AGM) design
• Fits JIS battery type BTX9-BS applications
• Factory activated ready for use
• Cranking Amps: 125 amps

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List price $133.99
-10% $119.99

Available

Ships in 10-14 days

• 12-volt Powersports Absorbed Glass Mat (AGM) Battery
• Sealed and non-spillable Absorbed Glass Mat (AGM) design
• Fits JIS battery type BTX9-BS applications
• Factory activated ready for use
• Cranking Amps: 125 amps

Shuriken SK-BT140-BX

Battery Box for SK-BT140

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Battery Box for SK-BT140

• Made with heavy-gauge steel
• Box is universal
• High quality at an affordable price
• Bottom of the boxes have predrilled flanges

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List price $68.99
-10% $61.99

In stock

Only 1 Left!

• Made with heavy-gauge steel
• Box is universal
• High quality at an affordable price
• Bottom of the boxes have predrilled flanges

Shuriken SK-BT80

12V 80Ah Absorbed Glass Mat (AGM) Rechargeable Battery

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12V 80Ah Absorbed Glass Mat (AGM) Rechargeable Battery

• 12-volt Automotive Absorbed Glass Mat (AGM) Battery
• Sealed Absorbed Glass Mat (AGM) design
• Perfect for 1800 watts car audio stereo systems
• Can be mounted in any position
• Can be fully discharged and re-charged

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List price $537.99
-10% $483.99

In stock

SMD Heavy Duty Octo ANL Fuse Block

Heavy Duty Single Eight ANL Fuse Block

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Heavy Duty Single Eight ANL Fuse Block

• For use with aftermarket sound systems or accessories like winches
• Single ANL fuse block
• Industrial-strength eight fuse holder
• Stainless steel hardware
• Also works in marine applications

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List price $134.97
-16% $112.95

In stock

• For use with aftermarket sound systems or accessories like winches
• Single ANL fuse block
• Industrial-strength eight fuse holder
• Stainless steel hardware
• Also works in marine applications

Limitless Lithium NoLi-30AH

12V 30Ah Sodium-Ion (SIB) Car Power Cell Battery

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12V 30Ah Sodium-Ion (SIB) Car Power Cell Battery

• 12-volt Sodium Car Audio Power Cell
• Sealed SIB (Sodium Ion Battery) design
• Perfect for 4000 - 5500 watt car audio stereo systems
• 4000 Cell Life Cycles at 80% DOD
• Ultra lightweight at only 9.9 lbs.

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$699.00

In stock

Only 2 Left!

• 12-volt Sodium Car Audio Power Cell
• Sealed SIB (Sodium Ion Battery) design
• Perfect for 4000 - 5500 watt car audio stereo systems
• 4000 Cell Life Cycles at 80% DOD
• Ultra lightweight at only 9.9 lbs.

Rockford Fosgate RFCB140 Circuit Breaker

140A Platinum Plated Circuit Breaker with 1/0-AWG / 4-AWG Inputs/Outputs

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140A Platinum Plated Circuit Breaker with 1/0-AWG / 4-AWG Inputs/Outputs

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

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$74.99

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Ships in 10-14 days

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

Stinger SPC505

5 Farad Pro Digital Hybrid Capacitor

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5 Farad Pro Digital Hybrid Capacitor

• Digital 5 Farad Capacitor
• Bright Red LED Voltage Display
• Monitor System Voltage
• 12-16 Volt Operation / 18 Volt Surge
• Louder And Cleaner Bass Response

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List price $599.00
-54% $274.99

In stock

• Digital 5 Farad Capacitor
• Bright Red LED Voltage Display
• Monitor System Voltage
• 12-16 Volt Operation / 18 Volt Surge
• Louder And Cleaner Bass Response

Rockford Fosgate RFDGM

GM Battery Post Extender

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GM Battery Post Extender

• HPP plating for superior corrosion resistance
•Custom tooled solid brass
• Allows additional power or ground connections
• Contains One (1) Terminal Bolt

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2
$9.99

In stock

• HPP plating for superior corrosion resistance
•Custom tooled solid brass
• Allows additional power or ground connections
• Contains One (1) Terminal Bolt

JL Audio XB-MFBU-ANL

Master ANL Fuse Holder for 1/0 Gauge to 4 Gauge Power Wires

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Master ANL Fuse Holder for 1/0 Gauge to 4 Gauge Power Wires

• Master ANL Fuse Holder
• Maximum Input Gauge Size: 1/0 AWG
• Maximum Ouput Gauge Size: 1/0 AWG
• Total Number of Inputs: 1
• Total Number of Outputs: 1
• Brass material with marine stannum plating

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12
$69.99

In stock

• Master ANL Fuse Holder
• Maximum Input Gauge Size: 1/0 AWG
• Maximum Ouput Gauge Size: 1/0 AWG
• Total Number of Inputs: 1
• Total Number of Outputs: 1
• Brass material with marine stannum plating

Shuriken LI-CHARGER-15A

15-Amp Lithium-Ion Battery Charger

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15-Amp Lithium-Ion Battery Charger

• 15-Amp Lithium-Ion Battery Charger
• Reliable and vibration-resistant design
• Divided into independent cells that ensure safety and prevents shorting out
• Built-in Battery Management System (BMS)
• Power Rating: 14.6V @ 15A

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List price $283.99
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In stock

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• 15-Amp Lithium-Ion Battery Charger
• Reliable and vibration-resistant design
• Divided into independent cells that ensure safety and prevents shorting out
• Built-in Battery Management System (BMS)
• Power Rating: 14.6V @ 15A

NVX XW4WH5

5 ft 4-Gauge EnvyFlex True Spec Oxygen-Free Copper Power and Ground Wire (White)

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5 ft 4-Gauge EnvyFlex True Spec Oxygen-Free Copper Power and Ground Wire (White)

• 5 feet 4 gauge Power and Ground Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: White

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List price $29.99
-33% $19.99

In stock

• 5 feet 4 gauge Power and Ground Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: White

Stinger SSCB150

Select Series 150 Amp Circuit Breaker

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Select Series 150 Amp Circuit Breaker

• Manual Reset Circuit Breaker
• Power Rating: 150 Amps
• Push Button Reset
• High Current Protection
• Integrated Holes for Simple Mounting
• Compact and Lightweight Design

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1
List price $69.00
-57% $29.99

In stock

• Manual Reset Circuit Breaker
• Power Rating: 150 Amps
• Push Button Reset
• High Current Protection
• Integrated Holes for Simple Mounting
• Compact and Lightweight Design

Sound Extreme by ECOXGEAR ACC-EXSNDXTRAC12V

10 Amp AC to DC Power Supply

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10 Amp AC to DC Power Supply

• Quick-disconnect SAE connector
• Dimensions: 5.4" x 2.25" x 1.5"

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List price $39.99
-10% $35.99

In stock

Only 1 Left!

• Quick-disconnect SAE connector
• Dimensions: 5.4" x 2.25" x 1.5"

NVX XSBI500 (Open Box, Good)

Microprocessor-Controlled 500 Amp, Dual Sensing Smart Relay Battery Isolator

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Microprocessor-Controlled 500 Amp, Dual Sensing Smart Relay Battery Isolator

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

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List price $99.99
-23% $76.88

In stock

Only 1 Left!

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

Limited time!

Stinger SCBM100

100 Amp Marine Grade Circuit Breaker

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100 Amp Marine Grade Circuit Breaker

• Waterproof marine grade circuit breaker
• 100 Amp maximum current power
• Weatherproof construction
• Ignition protected

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List price $179.00
Save $119.01
-66% $59.99

In stock

Only 2 Left!

• Waterproof marine grade circuit breaker
• 100 Amp maximum current power
• Weatherproof construction
• Ignition protected

Sundown Audio 150A

150A ANL Fuses (Pack of 2)

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150A ANL Fuses (Pack of 2)

• Pack of 2 150-amp ANL Fuses
• Power Rating: 150A
• See-through windows
• High-temperature plastic casings
• Circuit protection and high conductivity
• Silver-plated connector blades

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List price $9.59
-17% $7.99

In stock

• Pack of 2 150-amp ANL Fuses
• Power Rating: 150A
• See-through windows
• High-temperature plastic casings
• Circuit protection and high conductivity
• Silver-plated connector blades

NVX XFMMINI

4/8 Gauge AWG Mini-ANL/MANL/AFS Modular Linkable In-ine Fuse Holder for Car Audio and Marine Audio

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4/8 Gauge AWG Mini-ANL/MANL/AFS Modular Linkable In-ine Fuse Holder for Car Audio and Marine Audio

• Pack of Mini Fuses
• See-through windows allow for easy inspection
• High-temperature, impact-resistant plastic casings
• Ultimate circuit protection
• High conductivity plating

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1
List price $49.99
-74% $12.99

In stock

• Pack of Mini Fuses
• See-through windows allow for easy inspection
• High-temperature, impact-resistant plastic casings
• Ultimate circuit protection
• High conductivity plating

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    FAQ Frequently asked questions in Car Batteries, Power & Battery Accessories


    Car batteries, power, and battery accessories are crucial components for any vehicle.

    Car Batteries: These are rechargeable devices that store electrical energy in a chemical form, converting it into electrical power to start your vehicle's engine and power various electrical systems. They are essential because they provide the initial jolt of electricity needed to start the engine and continue to supply power when the alternator isn't running, such as when the engine is off.

    Power Accessories: These include alternators and generators, which recharge the battery and supply power to the vehicle's electrical systems while the engine is running. Voltage regulators ensure a stable supply of electrical power, preventing overcharging. Without these components, your vehicle's battery would eventually run out of power, leaving you stranded.

    Battery Accessories: These encompass components like battery terminals, cables, and connectors. Properly maintained connections are essential for the efficient flow of electrical power within your vehicle. Corroded or loose terminals can lead to poor electrical performance and starting issues.

    In summary, car batteries, power, and battery accessories are essential because they provide the electrical energy needed to start your vehicle, keep it running, and operate various electrical systems, ensuring your vehicle functions properly and reliably.

    Selecting the correct battery terminal involves considering the type of battery and the cable connection you have. First, determine if you have a top-post or side-post battery, as different terminals are designed to fit each type. Next, identify the cable size (usually stated in gauge) to ensure the terminal can accommodate the cable diameter properly. Look for high-quality materials such as copper or brass terminals, as they provide excellent conductivity and resist corrosion. Some terminals also come with additional features, like multiple connection points for additional accessories. It's crucial to choose a terminal that matches your battery and cable specifications to ensure a secure and reliable electrical connection.
    Yes, a battery disconnect switch is an effective way to prevent battery drain when your vehicle is not in use for an extended period. When the switch is in the ""off"" position, it completely cuts off power flow from the battery to the vehicle's electrical system. This prevents any parasitic draws or power-consuming devices from draining the battery during storage or inactivity. Battery disconnect switches are particularly useful for seasonal or seldom-used vehicles, such as boats, RVs, or classic cars. By using a disconnect switch, you can preserve the battery's charge and extend its lifespan, ensuring it remains ready to start your vehicle when needed.
    A battery charger or maintainer helps prolong the life of your car battery by ensuring it remains adequately charged, especially during periods of inactivity. When a vehicle is not driven regularly, the battery can gradually lose charge due to natural self-discharge and parasitic draws. Battery chargers and maintainers are designed to provide a steady and controlled flow of current to the battery, replenishing any lost charge. This prevents the battery from fully discharging, which can lead to sulfation and reduced battery capacity. Additionally, some smart chargers have maintenance modes that automatically adjust the charging rate to keep the battery at an optimal charge level without overcharging it. By keeping the battery in good condition and fully charged, a battery charger or maintainer helps extend its overall lifespan and ensures reliable performance.
    Yes, safety is essential when working with car battery accessories. Before attempting any installation or maintenance, always disconnect the vehicle's negative battery terminal to avoid accidental electrical shocks or short circuits. When working with battery terminals, wear appropriate safety gear, such as gloves and eye protection, to protect against battery acid and corrosion. Ensure all connections are tight and secure to prevent power loss or electrical hazards. When using battery chargers or maintainers, follow the manufacturer's instructions carefully and avoid overcharging the battery. Overcharging can lead to hydrogen gas buildup, which is flammable and poses a safety risk. It's also crucial to work in a well-ventilated area to dissipate any battery gases safely. If you are unsure or uncomfortable with any aspect of the installation or maintenance, it's best to seek professional assistance to ensure proper and safe operation of your car battery accessories.

    All About

    Car Batteries, Power & Battery Accessories
    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.

    Looking to enhance your car's battery performance and optimize your car audio system? Look no further! Sonic Electronix offers a wide range of top-quality car battery accessories that ensure reliable power supply and improved audio performance. Discover the best car battery accessories on this page and take your car audio experience to new heights!

    Car Battery Accessories - Empowering Your Vehicle's Electrical System

    Car battery accessories play a crucial role in supporting your car's electrical system and ensuring a smooth and efficient power flow. These accessories are designed to optimize your car battery's performance and enhance the overall functionality of your vehicle's electrical components.

    One of the primary car battery accessories is the battery terminal. High-quality battery terminals provide a secure connection between your car's battery and the power cables, reducing the risk of power loss and voltage drops. Upgrading to heavy-duty battery terminals improves conductivity, reduces resistance, and maximizes the efficiency of your car's electrical system.

    Another essential car battery accessory is the battery isolator. This device allows you to connect multiple batteries to your car's electrical system while preventing power drain from one battery to another. A battery isolator ensures that each battery serves its intended purpose and remains fully charged, making it ideal for vehicles with multiple batteries, such as RVs and marine applications.

    Expert Assistance - Your Trusted Car Audio Advisors

    At Sonic Electronix, we are dedicated to providing our customers with the best car battery accessories tailored to their unique needs. Our team of car audio experts is readily available to assist you in finding the perfect battery accessories to complement your car audio setup. Whether you need help choosing the right battery terminal or battery isolator, we have the knowledge and expertise to guide you through the selection process.

    Feel free to call us at 1-502-200-8010, and our friendly and experienced staff will be delighted to answer your questions, offer recommendations, and ensure you have a seamless shopping experience.

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    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.