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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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Mean Green Alternators MG1641

High Output Alternator for select 2013-2020 F-250 Super Duty and F-350 Super Duty

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High Output Alternator for select 2013-2020 F-250 Super Duty and F-350 Super Duty

• High output alternator
• Compatible with select 2013-2020 F-250 Super Duty and F-350 Super Duty
• Easy 5-minute installation
• Up to 300% more charging power
• Precision balanced for smooth operation

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$879.99

In stock.

• High output alternator
• Compatible with select 2013-2020 F-250 Super Duty and F-350 Super Duty
• Easy 5-minute installation
• Up to 300% more charging power
• Precision balanced for smooth operation

Kicker PWB4100 (46PWB4100)

100 ft. 4 Gauge Cobalt Blue Power/Ground Wire

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100 ft. 4 Gauge Cobalt Blue Power/Ground Wire

• Length: 100 foot
• Retains PVC insulation
• Features Virgin Hyper-Flex
• Made with OFC material

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$349.99

Available

Ships in 10-14 days

• Length: 100 foot
• Retains PVC insulation
• Features Virgin Hyper-Flex
• Made with OFC material

Kicker PWG4100 (46PWG4100)

100 ft. 4 Gauge Gunmetal Gray Power/Ground Wire

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100 ft. 4 Gauge Gunmetal Gray Power/Ground Wire

• 100 feet
• four gauge
• virgin hyper-flex
• power wire

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$349.99

Available

Ships in 10-14 days

• 100 feet
• four gauge
• virgin hyper-flex
• power wire

Mean Green Alternators MG1390SHD

375 Amp High Output Alternator for select 2009-2025 vehicles from Ram, Dodge

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375 Amp High Output Alternator for select 2009-2025 vehicles from Ram, Dodge

• Easy 5-minute installation
• Compatible with select 2009-2025 vehicles from Ram, Dodge Vehicles
• Up to 300% more charging power
• Precision balanced for smooth operation
• Steel rotor shaft
• Heavy duty solid copper starter windings
• Multi-function integrated regulator
• High output alternator

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$879.99

In stock.

• Easy 5-minute installation
• Compatible with select 2009-2025 vehicles from Ram, Dodge Vehicles
• Up to 300% more charging power
• Precision balanced for smooth operation
• Steel rotor shaft
• Heavy duty solid copper starter windings
• Multi-function integrated regulator
• High output alternator

Mean Green Alternators MG1399SHD

375 Amp High Output Alternator for select 2003-2009 Ram 1500 / 3500 / 2500 and Durango and Durango Hybrid

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375 Amp High Output Alternator for select 2003-2009 Ram 1500 / 3500 / 2500 and Durango and Durango Hybrid

• Precision Balanced for Smooth Operation
• Compatible with select 2003-2009 Ram 1500 / 3500 / 2500 and Durango and Durango Hybrid Vehicles
• Easy 5-minute installation
• Up to 300% more power
• Tool-grade steel rotor shaft
• Heavy duty double sealed bearings
• Heat resistant multifunction integrated regulator

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$879.99

In stock.

• Precision Balanced for Smooth Operation
• Compatible with select 2003-2009 Ram 1500 / 3500 / 2500 and Durango and Durango Hybrid Vehicles
• Easy 5-minute installation
• Up to 300% more power
• Tool-grade steel rotor shaft
• Heavy duty double sealed bearings
• Heat resistant multifunction integrated regulator

Kicker K4GA (48K4GA)

4-Gauge Power and Ground Connector Couplers (Pack of 2)

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4-Gauge Power and Ground Connector Couplers (Pack of 2)

• Power Connector Couplers (Pack of 2)
• Allows for extension of power and ground cables with no soldering or crimping
• Supports 4-gauge cables and are shielded

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$29.99

Available

Ships in 10-14 days

• Power Connector Couplers (Pack of 2)
• Allows for extension of power and ground cables with no soldering or crimping
• Supports 4-gauge cables and are shielded

DS18 MOFC4GA50P

50 Ft. 4 Gauge Ultra Flex Marine Grade Tinned Power Wire

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50 Ft. 4 Gauge Ultra Flex Marine Grade Tinned Power Wire

• 50-feet 4-gauge marine grade tinned power wire
• OFC (100% Oxygen-Free Copper) material
• Wiring for high performance applications
• Ultra-flex wiring for high flex and extra durability

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List price $287.99
-17% $239.95

In stock.

• 50-feet 4-gauge marine grade tinned power wire
• OFC (100% Oxygen-Free Copper) material
• Wiring for high performance applications
• Ultra-flex wiring for high flex and extra durability

Sundown Audio 200A

200A ANL Fuses (Pack of 2)

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200A ANL Fuses (Pack of 2)

• Pack of 2 200-amp ANL Fuses
• Power Rating: 200A
• 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 2 200-amp ANL Fuses
• Power Rating: 200A
• See-through windows
• High-temperature plastic casings
• Circuit protection and high conductivity
• Silver-plated connector blades

Stinger SPXATC810

8 Gauge and 10 Gauge Dual ATC Fuse Holder

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8 Gauge and 10 Gauge Dual ATC Fuse Holder

• 8 and 10-gauge Dual ATC Fuse Holder
• Maximum Input Gauge Size: 8 AWG
• Maximum Ouput Gauge Size: 8 AWG
• Total Number of Inputs: 1
• Total Number of Outputs: 1
• Brass material

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List price $29.00
-52% $14.00

In stock

Only 3 Left!

• 8 and 10-gauge Dual ATC Fuse Holder
• Maximum Input Gauge Size: 8 AWG
• Maximum Ouput Gauge Size: 8 AWG
• Total Number of Inputs: 1
• Total Number of Outputs: 1
• Brass material

XS Power Li-D1600CK

10000W 46.8 Ah Lithium Iron Phosphate Racing Battery with 16V IntelliCharger

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10000W 46.8 Ah Lithium Iron Phosphate Racing Battery with 16V IntelliCharger

• 16-volt Lithium Racing Battery
• Sealed Lithium Iron Phosphate (LFP) design
• High-power lithium cell for high-burst output and higher-reserve capacity
• Includes XS Power LI1615 IntelliCharger

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List price $1719.99
$1,649.99

Available

Ships in 10-14 days

• 16-volt Lithium Racing Battery
• Sealed Lithium Iron Phosphate (LFP) design
• High-power lithium cell for high-burst output and higher-reserve capacity
• Includes XS Power LI1615 IntelliCharger

Cerwin Vega CMANL150

4-Gauge Input 4-Gauge Output 1-Position Mini ANL Fuse Holder

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4-Gauge Input 4-Gauge Output 1-Position Mini ANL Fuse Holder

• 1-Position Mini ANL Fuse Holder with 8 AWG reducer
• Maximum Input Gauge Size: 4 AWG
• Maximum Ouput Gauge Size: 4 AWG
• Total Number of Inputs: 1
• Total Number of Outputs: 1
• Chrome Plated Brass Material

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$14.99

Available

Ships in 10-14 days

• 1-Position Mini ANL Fuse Holder with 8 AWG reducer
• Maximum Input Gauge Size: 4 AWG
• Maximum Ouput Gauge Size: 4 AWG
• Total Number of Inputs: 1
• Total Number of Outputs: 1
• Chrome Plated Brass Material

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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List price $259.99
-17% $215.95

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

Massive Audio P8200R

200 Ft. 8 Gauge Oxygen Free Copper (OFC) Power Wire (Red)

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200 Ft. 8 Gauge Oxygen Free Copper (OFC) Power Wire (Red)

• 200 feet 8 gauge power wire
• Oxygen Free Copper (OFC) material
• Flexible silver tinned wires
• Color: Red

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List price $524.99
-20% $419.99

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• 200 feet 8 gauge power wire
• Oxygen Free Copper (OFC) material
• Flexible silver tinned wires
• Color: Red

Kicker PWG050 (46PWG050)

50 ft. 1/0 Gauge Gunmetal Gray Power/Ground Wire

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50 ft. 1/0 Gauge Gunmetal Gray Power/Ground Wire

• 50 foot
• virgin hyper-flex
• 1/0 AWG

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$419.99

Available

Ships in 10-14 days

• 50 foot
• virgin hyper-flex
• 1/0 AWG

JL Audio XD-RPW30A-250 (Red)

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

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250 Feet of 30 Amp Oxygen-Free, Fine-Strand Pure Copper Red 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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$449.99

Available

Ships in 10-14 days

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

XS Power Li-S925-16CK

3000W 13Ah Lithium Ferro Phosphate Racing Battery with 16V Lithium Charger Combo

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3000W 13Ah Lithium Ferro Phosphate Racing Battery with 16V Lithium Charger Combo

• 16-Volt Racing Battery with 16V Lithium Charger Combo
• Sealed Lithium Ferro Phosphate design
• Includes M6 terminal hardware
• Extremely lightweight design

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List price $969.99
$929.99

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Ships in 10-14 days

• 16-Volt Racing Battery with 16V Lithium Charger Combo
• Sealed Lithium Ferro Phosphate design
• Includes M6 terminal hardware
• Extremely lightweight design

Stinger SSVLP8BL

100 ft 8-Gauge Select Series Speaker Wire (Blue)

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100 ft 8-Gauge Select Series Speaker Wire (Blue)

• 8 gauge Speaker Wire
• CCA (Copper-Clad Aluminum) material
• Color: Blue
• Soft PVC insulation with heat resistance elements

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List price $229.00
-32% $155.00

Available

Ships in 10-14 days

• 8 gauge Speaker Wire
• CCA (Copper-Clad Aluminum) material
• Color: Blue
• Soft PVC insulation with heat resistance elements

Kicker KMWPY050 (47KMWPY050)

50ft Yellow 1/0 Gauge Marine Power Wire

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50ft Yellow 1/0 Gauge Marine Power Wire

• Marine Rated Power Wire

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$449.99

Available

Ships in 10-14 days

• Marine Rated Power Wire

Sundown Audio 1/0S50

50 ft 1/0-Gauge Power Wire (Silver)

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50 ft 1/0-Gauge Power Wire (Silver)

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

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VIP Product Get $45.00 in rewards to spend later

List price $539.99
-17% $449.99

Available

Ships in 10-14 days

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

Stinger SPP1500DC (Open Box, Good)

1500 Amp SPP Series Dry Cell Battery w/ Protective Steel Case

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1500 Amp SPP Series Dry Cell Battery w/ Protective Steel Case

• 12v Dry Cell Valve Regulated Lead Acid Battery (AGM)
• OEM Replacement for Group 34
• Good For Over 400 Full Discharge Cycles
• Internal Resistance: 3.0 mOhm
• CCA: 825A
• Peak Discharge: 3100A
• Dimensions: 6.99"W x 10.85"D x 7.82"H

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List price $1789.00
-78% $394.19

In stock

Only 1 Left!

• 12v Dry Cell Valve Regulated Lead Acid Battery (AGM)
• OEM Replacement for Group 34
• Good For Over 400 Full Discharge Cycles
• Internal Resistance: 3.0 mOhm
• CCA: 825A
• Peak Discharge: 3100A
• Dimensions: 6.99"W x 10.85"D x 7.82"H

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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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    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.