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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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Stinger SPD5601

PRO MAXI Fuse Holder 4 or 8ga Input/Output Shoc-Krome

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PRO MAXI Fuse Holder 4 or 8ga Input/Output Shoc-Krome

• MAXI Fuse Holder
• Water Resistant Design
• Detachable Base
• 8 or 4 Gauge inputs/outputs

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List price $19.00
-16% $15.99

In stock

Only 1 Left!

• MAXI Fuse Holder
• Water Resistant Design
• Detachable Base
• 8 or 4 Gauge inputs/outputs

T-Spec V8-MANL60

V8 Series 60A Nickel Plated MANL Fuses (2)

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V8 Series 60A Nickel Plated MANL Fuses (2)

• V8 Series 60A Nickel Plated MANL Fuses
• Nickel Plated for Better Power Transfer
• Quantity: 2 Fuses
• Packaged in resealable retail Polybag

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18
List price $5.99
-17% $4.99

In stock

• V8 Series 60A Nickel Plated MANL Fuses
• Nickel Plated for Better Power Transfer
• Quantity: 2 Fuses
• Packaged in resealable retail Polybag

DS18 INF-18AH

12V 18Ah Absorbent Glass Mat (AGM) Motorcycle and ATV Power Cell Battery

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12V 18Ah Absorbent Glass Mat (AGM) Motorcycle and ATV Power Cell Battery

• 12.4-volt Absorbed Glass Mat (AGM) Battery
• Sealed Absorbed Glass Mat design
• Perfect for 750W motorcycle and ATV audio systems
• L Terminal / M5 Nut & Bolt
• Mounts upside down or in multiple configurations

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List price $86.99
-17% $71.95

In stock.

• 12.4-volt Absorbed Glass Mat (AGM) Battery
• Sealed Absorbed Glass Mat design
• Perfect for 750W motorcycle and ATV audio systems
• L Terminal / M5 Nut & Bolt
• Mounts upside down or in multiple configurations

T-Spec V10PW-8250

250 ft. (76.20m) 8 Gauge V10 Series Full OFC True Spec Power Wire

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250 ft. (76.20m) 8 Gauge V10 Series Full OFC True Spec Power Wire

• Meets CEA and ANSI Specification for Wire Gauge
• Full Virgin OFC Copper Construction
• Ultra-flexible PVC Blended Jacket
• Color: Matte Pearl

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List price $456.00
-15% $388.00

In stock.

• Meets CEA and ANSI Specification for Wire Gauge
• Full Virgin OFC Copper Construction
• Ultra-flexible PVC Blended Jacket
• Color: Matte Pearl

XS Power XV975

750W 3Ah Lithium Titanate Oxide Powersports Battery

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750W 3Ah Lithium Titanate Oxide Powersports Battery

• 12-Volt Powersports Battery
• Sealed Lithium Titanate Oxide (LTO) design
• Includes M6 terminal hardware
• Extremely lightweight design
• Can be mounted in a custom location or on the factory tray

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$299.99

In stock

Only 2 Left!

• 12-Volt Powersports Battery
• Sealed Lithium Titanate Oxide (LTO) design
• Includes M6 terminal hardware
• Extremely lightweight design
• Can be mounted in a custom location or on the factory tray

Kicker 50PWBK020

20 ft 1/0-Gauge Warhorse Series Power Wire (Black)

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20 ft 1/0-Gauge Warhorse Series Power Wire (Black)

• 20 feet 1/0 gauge Power Wire
• OFC (100% Oxygen-Free Copper) material
• Color: Black
• Easily routable Hyper-Flex insulation

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List price $199.99
-5% $189.99

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Ships in 10-14 days

• 20 feet 1/0 gauge Power Wire
• OFC (100% Oxygen-Free Copper) material
• Color: Black
• Easily routable Hyper-Flex insulation

JL Audio XD-BPW30A-250 (Black)

250 Feet of 30 Amp Oxygen-Free, Fine-Strand Pure Copper Black Power Wire (8 AWG comparable)

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250 Feet of 30 Amp Oxygen-Free, Fine-Strand Pure Copper Black Power Wire (8 AWG comparable)

• 30 Amp capacity
• Pure OFC Copper
• Compact strand orientation and high strand count
• Soft, flexible PVC Jacket

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$429.99

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• 30 Amp capacity
• Pure OFC Copper
• Compact strand orientation and high strand count
• Soft, flexible PVC Jacket

Sundown Audio 1/0B50

50 ft 1/0-gauge Power Wire (Black)

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50 ft 1/0-gauge Power Wire (Black)

• 50 feet 1/0 gauge Power Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Black
• 5145 strands with flexible PVC insulation

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List price $539.99
-17% $449.99

In stock

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• 50 feet 1/0 gauge Power Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Black
• 5145 strands with flexible PVC insulation

Stinger SQPH4BL

100 ft 4 Gauge Hybrid Series Power Wire (Blue)

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100 ft 4 Gauge Hybrid Series Power Wire (Blue)

• 4 gauge Power Wire
• CCA (Copper-Clad Aluminum) material
• Color: Blue
• 70 percent copper, 30 percent CCA

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$184.00

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• 4 gauge Power Wire
• CCA (Copper-Clad Aluminum) material
• Color: Blue
• 70 percent copper, 30 percent CCA

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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List price $16.99
-18% $13.95

In stock.

• 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

XS Power RSV-S7-1600

3500W 20Ah Lithium Titanate Racing Battery

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3500W 20Ah Lithium Titanate Racing Battery

• 16-Volt Racing Battery
• Sealed Lithium Titanate design
• Includes M6 terminal hardware
• Extremely lightweight design

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$999.99

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• 16-Volt Racing Battery
• Sealed Lithium Titanate design
• Includes M6 terminal hardware
• Extremely lightweight design

Kicker KMWPR420 (47KMWPR420)

20 Feet of Red Marine Rated 4 Gauge Wire

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20 Feet of Red Marine Rated 4 Gauge Wire

• Marine Rated Power Wire
• 4 AWG

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$89.99

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• Marine Rated Power Wire
• 4 AWG

JL Audio SBA-J-JK-FHB

Master ANL Fuse Holder Bracket for select 2018 Wrangler (JK)

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Master ANL Fuse Holder Bracket for select 2018 Wrangler (JK)

• Fuse holder bracket for select 2018 Wrangler (JK)
• Mounts up to two ANL Fuse Blocks (sold separately)
• Easy to install, no drilling required

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$139.99

Available

Ships in 10-14 days

Like New from: $101.99

• Fuse holder bracket for select 2018 Wrangler (JK)
• Mounts up to two ANL Fuse Blocks (sold separately)
• Easy to install, no drilling required

T-Spec V8GT10BK-50

50 ft. 1/0 Copper Power Wire Matte Black

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50 ft. 1/0 Copper Power Wire Matte Black

• 50 ft. of 1/0 Gauge Speaker Cable
• Super flex translucent jacket
• Made from 100% Oxygen Free Copper (OFC) Copper
• Color: Black

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List price $562.99
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• 50 ft. of 1/0 Gauge Speaker Cable
• Super flex translucent jacket
• Made from 100% Oxygen Free Copper (OFC) Copper
• Color: Black

Stinger SPW10TB

50 Ft. 1/0 Gauge Pro Series 100% Oxygen Free Copper Power Wire (Black)

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50 Ft. 1/0 Gauge Pro Series 100% Oxygen Free Copper Power Wire (Black)

• 50 feet 1/0 gauge Power Wire
• OFC (100% Oxygen-Free Copper) material
• Color: Black
• Ultra flexible matte jacket and 4212 strand count

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List price $819.00
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• 50 feet 1/0 gauge Power Wire
• OFC (100% Oxygen-Free Copper) material
• Color: Black
• Ultra flexible matte jacket and 4212 strand count

Stinger SPW14TR250

250 Ft. 4 Gauge Pro Series 100% Oxygen Free Copper Power Wire (Clear)

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250 Ft. 4 Gauge Pro Series 100% Oxygen Free Copper Power Wire (Clear)

• 250 feet 4 gauge Power Wire
• OFC (100% Oxygen-Free Copper) material
• Color: Clear
• Ultra flexible matte jacket

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List price $1459.00
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• 250 feet 4 gauge Power Wire
• OFC (100% Oxygen-Free Copper) material
• Color: Clear
• Ultra flexible matte jacket

DS18 INF-45AH

12V 45Ah Absorbent Glass Mat (AGM) Motorcycle and ATV Power Cell Battery

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12V 45Ah Absorbent Glass Mat (AGM) Motorcycle and ATV Power Cell Battery

• 12.8-volt Absorbed Glass Mat (AGM) Battery
• Sealed Absorbed Glass Mat design
• Perfect for 1500W motorcycle and ATV audio systems
• Thread Lead Alloy Recessed / M6 Bolt
• Mounts upside down or in multiple configurations

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List price $230.99
-17% $191.95

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• 12.8-volt Absorbed Glass Mat (AGM) Battery
• Sealed Absorbed Glass Mat design
• Perfect for 1500W motorcycle and ATV audio systems
• Thread Lead Alloy Recessed / M6 Bolt
• Mounts upside down or in multiple configurations

JL Audio XMD-MCB-50

Waterproof, Ignition Protected Circuit Breaker: 50 Amp

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Waterproof, Ignition Protected Circuit Breaker: 50 Amp

• Manual Reset Design with High-Visibility Switch
• Suitable for use in marine engine compartments and fuel tank spaces
• Withstands immersion in water up to 1 meter deep
• Stainless Steel Connection Points

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$99.99

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Ships in 10-14 days

• Manual Reset Design with High-Visibility Switch
• Suitable for use in marine engine compartments and fuel tank spaces
• Withstands immersion in water up to 1 meter deep
• Stainless Steel Connection Points

DS18 INF-65G34AH

12V 65Ah Infinite Absorbent Glass Mat (AGM) Car Power Cell Battery

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12V 65Ah Infinite Absorbent Glass Mat (AGM) Car Power Cell 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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List price $374.99
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In stock.

• 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

Energie PR1900

12V 28Ah Power Cell Battery

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12V 28Ah Power Cell Battery

• Nominal Voltage: 12 Volts
• Amplifier Wattage: 1900 Watts
• Capacity: 28 Ah
• Positive Terminal: Right

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• Nominal Voltage: 12 Volts
• Amplifier Wattage: 1900 Watts
• Capacity: 28 Ah
• Positive Terminal: Right

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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.