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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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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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Fast 1-day shipping to OH. Get it Wed, Nov. 19

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$39.99

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Only 2 Left!

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

Limited time!

DS18 INF-C1.5AX4

6A Portable Automatic Smart Lithium AGM Multi-Battery Charger and Maintainer

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6A Portable Automatic Smart Lithium AGM Multi-Battery Charger and Maintainer

• Portable smart car battery charger and maintainer
• 4 x 1.5 amp output with clamp or bolt-on connection
• Supports 6 or 12 volt system
• Works on Lead-Acid, Wet, Gel, AGM, Calcium, Lithium (LiFePO4)
• Thermal, reverse, over charge, over current protection
• Charges multiple battery sizes and types

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• Portable smart car battery charger and maintainer
• 4 x 1.5 amp output with clamp or bolt-on connection
• Supports 6 or 12 volt system
• Works on Lead-Acid, Wet, Gel, AGM, Calcium, Lithium (LiFePO4)
• Thermal, reverse, over charge, over current protection
• Charges multiple battery sizes and types

Limited time!

DS18 INF-C15A

16A Portable Automatic Smart Lithium AGM Multi-Battery Charger and Maintainer

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16A Portable Automatic Smart Lithium AGM Multi-Battery Charger and Maintainer

• Portable smart car battery charger and maintainer
• Single 15 amp output with clamp or bolt-on connection
• Supports 6 or 12 volt system
• Works on Lead-Acid, Wet, Gel, AGM, Calcium, Lithium (LiFePO4)
• Thermal, reverse, over charge, over current protection
• Charges multiple battery sizes and types

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FREE shipping to OH. Delivers Nov. 29 - Dec. 6

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$191.96

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• Portable smart car battery charger and maintainer
• Single 15 amp output with clamp or bolt-on connection
• Supports 6 or 12 volt system
• Works on Lead-Acid, Wet, Gel, AGM, Calcium, Lithium (LiFePO4)
• Thermal, reverse, over charge, over current protection
• Charges multiple battery sizes and types

Limited time!

DS18 FHAFS-150A

4-8 Gauge Mini ANL Square Fuse Holder with 150A Fuse

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4-8 Gauge Mini ANL Square Fuse Holder with 150A Fuse

• Mini ANL fuse holder with 150A fuse
• 4-8-gauge input, 4-8-gauge output
• Maximum Input Gauge Size: 4 AWG
• Maximum Ouput Gauge Size: 4 AWG
• Total Number of Inputs: 1
• Total Number of Outputs: 1
• Nickel Plated Material

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• Mini ANL fuse holder with 150A fuse
• 4-8-gauge input, 4-8-gauge output
• Maximum Input Gauge Size: 4 AWG
• Maximum Ouput Gauge Size: 4 AWG
• Total Number of Inputs: 1
• Total Number of Outputs: 1
• Nickel Plated Material

Limited time!

DS18 INF-180AH

12.8V 180Ah Infinite AGM Power Cell Car Battery

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12.8V 180Ah Infinite AGM Power Cell Car Battery

• 12-Volt AGM Power Cell
• Perfect for car audio stereo systems of up to 5000 watts
• Leak-proof, non-hazardous design
• Resists extreme vibrations
• 100% sealed and maintenance free
• Absorbed glass mat material

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FREE shipping to OH. Delivers Nov. 29 - Dec. 6
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• 12-Volt AGM Power Cell
• Perfect for car audio stereo systems of up to 5000 watts
• Leak-proof, non-hazardous design
• Resists extreme vibrations
• 100% sealed and maintenance free
• Absorbed glass mat material

Limited time!

DS18 INF-100AH

12.8V 100Ah Infinite AGM Power Cell Car Battery

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12.8V 100Ah Infinite AGM Power Cell Car Battery

• 12.8-Volt AGM Power Cell
• Perfect for car audio stereo systems of up to 2800 watts
• Leak-proof, non-hazardous design
• Resists extreme vibrations
• 100% sealed and maintenance free
• Absorbed glass mat material

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• 12.8-Volt AGM Power Cell
• Perfect for car audio stereo systems of up to 2800 watts
• Leak-proof, non-hazardous design
• Resists extreme vibrations
• 100% sealed and maintenance free
• Absorbed glass mat material

Limited time!

DS18 INF-45AH

1500W 12.8V 45Ah AGM Technology Power Cell Car Battery

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1500W 12.8V 45Ah AGM Technology Power Cell Car Battery

• 12.8V 45Ah power cell car battery
• Designed with AGM (Absorbed Glass Mat) technology
• Thread Lead Alloy Recessed / M6 Bolt
• Multiple mounting configurations
• Maintenance free construction
• Made in Vietnam

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FREE shipping to OH. Delivers Nov. 29 - Dec. 6
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• 12.8V 45Ah power cell car battery
• Designed with AGM (Absorbed Glass Mat) technology
• Thread Lead Alloy Recessed / M6 Bolt
• Multiple mounting configurations
• Maintenance free construction
• Made in Vietnam

Limited time!

DS18 FHSANL

1/0-4 Gauge Square ANL Fuse Holder

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1/0-4 Gauge Square ANL Fuse Holder

• Square ANL fuse holder
• Connects to 1/0-4-gauge power wire
• Maximum Input Gauge Size: 1/0 AWG
• Maximum Ouput Gauge Size: 1/0 AWG
• Total Number of Inputs: 1
• Total Number of Outputs: 1
• Nickel Plated Material

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$11.16

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• Square ANL fuse holder
• Connects to 1/0-4-gauge power wire
• Maximum Input Gauge Size: 1/0 AWG
• Maximum Ouput Gauge Size: 1/0 AWG
• Total Number of Inputs: 1
• Total Number of Outputs: 1
• Nickel Plated Material

Limited time!

DS18 MDSA10/4.30FT

30 Ft. 10-Channel Medusa Snake RCA Harness with 12 Gauge Power Wire

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30 Ft. 10-Channel Medusa Snake RCA Harness with 12 Gauge Power Wire

• 30-feet Medusa 10-channel RCA with (4) 12 gauge power wire
• Tiffany style 10-channel RCA
• 12 gauge oxygen-free copper power wire
• Water resistant, able to withstand harsh environments

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FREE shipping to OH. Delivers Nov. 26 - Nov. 28
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• 30-feet Medusa 10-channel RCA with (4) 12 gauge power wire
• Tiffany style 10-channel RCA
• 12 gauge oxygen-free copper power wire
• Water resistant, able to withstand harsh environments

Limited time!

DS18 FHSANL200A

1/0-4 Gauge Square ANL Fuse Holder with 200A Fuse

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1/0-4 Gauge Square ANL Fuse Holder with 200A Fuse

• Square ANL fuse holder with 200A fuse
• Connects to 1/0 - 4-gauge power wire
• Maximum Input Gauge Size: 1/0 AWG
• Maximum Ouput Gauge Size: 1/0 AWG
• Total Number of Inputs: 1
• Total Number of Outputs: 1
• Nickel Plated Material

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Fast 2-day shipping to OH. Get it Thu, Nov. 20

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• Square ANL fuse holder with 200A fuse
• Connects to 1/0 - 4-gauge power wire
• Maximum Input Gauge Size: 1/0 AWG
• Maximum Ouput Gauge Size: 1/0 AWG
• Total Number of Inputs: 1
• Total Number of Outputs: 1
• Nickel Plated Material

Limited time!

DS18 INF-35AH

1250W 12.8V 35Ah AGM Technology Power Cell Car Battery

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1250W 12.8V 35Ah AGM Technology Power Cell Car Battery

• 12.8V 35Ah power cell car battery
• Designed with AGM (Absorbed Glass Mat) technology
• Thread Lead Alloy Recessed / M6 Bolt
• Multiple mounting configurations
• Maintenance free construction
• Made in Vietnam

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FREE shipping to OH. Delivers Nov. 29 - Dec. 6
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• 12.8V 35Ah power cell car battery
• Designed with AGM (Absorbed Glass Mat) technology
• Thread Lead Alloy Recessed / M6 Bolt
• Multiple mounting configurations
• Maintenance free construction
• Made in Vietnam

Limited time!

DS18 INF-150AH

12.8V 150Ah Infinite AGM Power Cell Car Battery

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12.8V 150Ah Infinite AGM Power Cell Car Battery

• 12-Volt AGM Power Cell
• Perfect car audio stereo systems of up to 4000 watts
• Leak-proof, non-hazardous design
• Resists extreme vibrations
• 100% sealed and maintenance free
• Absorbed glass mat material

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• 12-Volt AGM Power Cell
• Perfect car audio stereo systems of up to 4000 watts
• Leak-proof, non-hazardous design
• Resists extreme vibrations
• 100% sealed and maintenance free
• Absorbed glass mat material

Limited time!

DS18 INF-18AH

750W 12V 18Ah AGM Technology Power Cell Car Battery

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750W 12V 18Ah AGM Technology Power Cell Car Battery

• 12-Volt 18 AH power cell car battery
• Designed with AGM (Absorbed Glass Mat) technology
• L Terminal / M5 Nut & Bolt
• Multiple mounting configurations
• Maintenance free construction
• Made in Vietnam

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$57.56

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• 12-Volt 18 AH power cell car battery
• Designed with AGM (Absorbed Glass Mat) technology
• L Terminal / M5 Nut & Bolt
• Multiple mounting configurations
• Maintenance free construction
• Made in Vietnam

Limited time!

DS18 MDSA10/4.50FT

50 Ft. 10-Channel Medusa Snake RCA Harness with 12 Gauge Power Wire

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50 Ft. 10-Channel Medusa Snake RCA Harness with 12 Gauge Power Wire

• 50-feet Medusa 10-channel RCA with (4) 12-gauge power wire
• Tiffany style 10-channel RCA
• 12 gauge oxygen-free copper power wire
• Water resistant, able to withstand harsh environments

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FREE shipping to OH. Delivers Nov. 26 - Nov. 28
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$172.76

In stock.

• 50-feet Medusa 10-channel RCA with (4) 12-gauge power wire
• Tiffany style 10-channel RCA
• 12 gauge oxygen-free copper power wire
• Water resistant, able to withstand harsh environments

Limited time!

DS18 INF-90AH

12.8V 90Ah Infinite AGM Power Cell Car Battery

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12.8V 90Ah Infinite AGM Power Cell Car Battery

• 12.8-Volt AGM Power Cell
• Perfect for car audio stereo systems of up to 2500 watts
• Leak-proof, non-hazardous design
• Resists extreme vibrations
• 100% sealed and maintenance free
• Absorbed glass mat material

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FREE shipping to OH. Delivers Nov. 26 - Nov. 28
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$331.16

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• 12.8-Volt AGM Power Cell
• Perfect for car audio stereo systems of up to 2500 watts
• Leak-proof, non-hazardous design
• Resists extreme vibrations
• 100% sealed and maintenance free
• Absorbed glass mat material

Limited time!

DS18 INF-80AH

12.8V 80Ah Infinite AGM Power Cell Car Battery

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12.8V 80Ah Infinite AGM Power Cell Car Battery

• 12.8-Volt AGM Power Cell
• Perfect for car audio stereo systems of up to 5000 watts
• Leak-proof, non-hazardous design
• Resists extreme vibrations
• 100% sealed and maintenance free
• Absorbed glass mat material

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FREE shipping to OH. Delivers Nov. 29 - Dec. 6
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• 12.8-Volt AGM Power Cell
• Perfect for car audio stereo systems of up to 5000 watts
• Leak-proof, non-hazardous design
• Resists extreme vibrations
• 100% sealed and maintenance free
• Absorbed glass mat material

Limited time!

DS18 INF-55AH

1750W 12.8V 55Ah AGM Technology Power Cell Car Battery

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1750W 12.8V 55Ah AGM Technology Power Cell Car Battery

• 12.8V 55Ah power cell car battery
• Designed with AGM (Absorbed Glass Mat) technology
• Thread Lead Alloy Recessed / M6 Bolt
• Multiple mounting configurations
• Maintenance free construction
• Made in Vietnam

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FREE shipping to OH. Delivers Nov. 29 - Dec. 6
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• 12.8V 55Ah power cell car battery
• Designed with AGM (Absorbed Glass Mat) technology
• Thread Lead Alloy Recessed / M6 Bolt
• Multiple mounting configurations
• Maintenance free construction
• Made in Vietnam

Limited time!

DS18 INF-65G34AH

12.8V 65Ah Infinite AGM Power Cell Car Battery

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12.8V 65Ah Infinite AGM Power Cell Car Battery

• 12.8-Volt AGM Power Cell
• Perfect for car audio stereo systems of up to 5000 watts
• Leak-proof, non-hazardous design
• Resists extreme vibrations
• 100% sealed and maintenance free
• Absorbed glass mat material

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• 12.8-Volt AGM Power Cell
• Perfect for car audio stereo systems of up to 5000 watts
• Leak-proof, non-hazardous design
• Resists extreme vibrations
• 100% sealed and maintenance free
• Absorbed glass mat material

Limited time!

DS18 INF-28AH

1000W 12V 28Ah AGM Technology Power Cell Car Battery

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1000W 12V 28Ah AGM Technology Power Cell Car Battery

• 12V 28AH power cell car battery
• Designed with AGM (Absorbed Glass Mat) technology
• L Terminal / M5 Nut & Bolt
• Multiple mounting configurations
• Maintenance free construction
• Made in Vietnam

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• 12V 28AH power cell car battery
• Designed with AGM (Absorbed Glass Mat) technology
• L Terminal / M5 Nut & Bolt
• Multiple mounting configurations
• Maintenance free construction
• Made in Vietnam

Limited time!

DS18 MOFC0GA25P

25 ft 0-Gauge Marine Grade Power Wire (Red)

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25 ft 0-Gauge Marine Grade Power Wire (Red)

• 25 feet Power Wire
• OFC (100% Oxygen-Free Copper) material
• Color: Red
• Ultra-flex marine-grade wiring

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• 25 feet Power Wire
• OFC (100% Oxygen-Free Copper) material
• Color: Red
• Ultra-flex marine-grade wiring

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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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