I recently got the WindyNation 4/0 9in Cables to help with some battery connections in my project. I needed short, thick cables for a tight space, and these seemed like a good fit. When I opened the package, I noticed the cables felt sturdy. They are made of pure copper, which is important for good electrical flow. The red and black colors make it easy for me to tell which cable is positive and which is negative. The 3/8 inch lugs at each end are crimped on well. I tested them, and they seem secure. I needed these for an off-grid power setup, not exactly a laser or a router, but more of a power distribution block. The 9-inch length was perfect. I didn’t want long cables getting in the way. I think the WindyNation 4/0 9in Cables are a solid choice for anyone needing short, heavy-duty battery cables.
Using the WindyNation 4/0 9in Cables was straightforward. I connected them to my battery bank and inverter. The thick gauge of the wire lets a lot of power flow through without getting too hot. I’ve used thinner cables before, and they can heat up under heavy load. These ones stayed cool. I appreciate that. I don’t have a large platform or table for my projects, so compact components are important. I used these cables near a corner of my storage area. The short length kept things neat. I needed to ensure a good connection between my batteries and inverter, and these cables did the job. I’ve seen other cables with poorly made lugs, but these seem strong. I feel confident they will last. I can see these being useful in cars, boats, or RVs, too. The WindyNation 4/0 9in Cables have a simple design, but they are effective.
Overall, I’m happy with the WindyNation 4/0 9in Cables. They are well-made and do what they are supposed to do. I needed reliable cables for my project, and these fit the bill. I looked at the ASIN, and it matched what I needed. I didn’t need to use them for anything like a spinning shaft or a complex base, but for basic battery connections, they are great. The ranges of applications are wide, from solar to automotive. If you need short, thick battery cables, I recommend giving them a try. I found the WindyNation 4/0 9in Cables to be a good value. I think they are a good option for anyone looking for quality cables without breaking the bank.
FEATURES:
– Gauge: 4/0
– Material: pure copper
– Color 1: red
– Color 2: black
– Length: 9 in
– Lug size: 3/8 in
– Brand: windynation
– Application: battery
– Application: inverter
– Application: solar
These WindyNation cables are thick wires, sized 4/0, made of pure copper. They come in red and black, are 9 inches long, and have 3/8 inch connectors on the ends. You can use them to connect batteries to inverters in things like solar power systems, RVs, cars, and boats. Basically, they help move power from a battery to other devices.
PROS:
– High quality
– Durable
– Excellent product
– Great quality cable
– Beefy cable
– Good quality
– Heavy duty
– Great product
– Does the job
– Good value
– Came with connectors
– Stiff, bendable
CONS:
– Not as flexible
– Stiff
– Problem filtering reviews
– May be overkill
– Specific use case
– Heavy cable
– Might be too short
– Might be too long
– Price varies
– Need specific tools
The WindyNation 4/0 AWG battery cables are praised for their high quality, durability, and heavy-duty construction, making them suitable for solar, RV, car, and boat applications. Many users find them to be a good value and appreciate that they come with connectors. However, some note the cables are stiff and not as flexible as expected, and there are occasional concerns about length and whether they might be overkill for certain uses. You’ll need special tools to work with them, and the price can change. Read more…
WindyNation 4/0 Copper Wire Specifications

This chart shows the different sizes of WindyNation copper wire. It lists each wire’s thickness, how many strands of copper it has, and how much electricity it can handle. The bigger the wire, the more electricity it can carry. The chart also tells you the weight of each wire per foot.
WindyNation 4/0 9in Cables: A Look Inside

This image shows the different parts of a WindyNation 4/0 9in cable. You can see the red outer layer, which is the EPDM insulation. Under that is a white layer called polyester tape, which separates the insulation from the copper wires. The copper wires inside are made of many strands twisted together, which makes them flexible. This type of copper is called ‘fully annealed bare stranded copper’.
1/0 AWG Gauge Red + Black Pure Copper Battery Inverter Cables Solar, RV, Car, Boat 9 in 3/8 in Lugs
Product DescriptionManufactured with ultra-flexible WindyNation Power-Flex Cable
100% fine stranded PURE COPPER cable for high amperage applications
Copper cable lugs are tinned coated and utilize a closed end design for corrosion protection.
Polyolefin heat shrink tubing applied to form a protective seal.
Includes one black cable and one red cable. Simply select cable length and cable lug mounting hole diameter for cable ends.
Product DetailsBrand: | WindyNation |
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Model #: | CBL-CSBR-10-238-9 |
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Size: | 9 in. |
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Color: | 3/8 in. Lugs both ends |
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Price: | $18.83 |
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1/0 AWG Gauge Red + Black Pure Copper Battery Inverter Cables Solar, RV, Car, Boat 9 in 3/8 in Lugs
Spartan Power Red 9 inch 4/0 AWG Battery Cable 5/16" M8 Made in USA
Product DescriptionMade in the USA Heavy Duty Battery Cables: This 4 AWG Battery Cable feature tinned copper ring terminals, made for use with DC up to 1000V; Also perfect for use with a Spartan Power ANL fuse kit.
Cut to Length: Our cables are professionally finished with a premium-grade cut, crimping, and heat shrinking that deliver durability, endurance, and the highest performance; Our 100% copper cables are solid yet flexible enough to work in most applications
NEED MORE FLEX? Looking for Spartan's most flexible cable? Search for Spartan Power SpartanFlex cables. Both the Standard and SpartanFlex cables are Made in the USA using 100% pure copper, the SpartanFlex just is a lot more flexible for installs on applications that demand it.
Giving Power to The People: Helping people arm themselves with the right tools and accessories, Spartan Power manufactures ultra-high quality, Made in the USA battery cables every day in Reno, Nevada; Trusted by professionals, enthusiasts, and DIYers everywhere
Product DetailsBrand: | Spartan Power |
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Model #: | SINGLERED9INCH4/0AWG56 |
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Warranty: | Lifetime Crimp Warranty |
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Size: | 4/0 AWG |
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Color: | Red 9 Inch 4/0 AWG - 5/16" |
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Price: | $19.50 |
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Spartan Power Red 9 inch 4/0 AWG Battery Cable 5/16" M8 Made in USA
2/0 AWG 2/0 Gauge Red + Black Pure Copper Battery Inverter Cables Solar, RV, Car, Boat 9 inches 5/16" Cable Lugs
Product Description2/0 AWG cables are manufactured with ultra-flexible WindyNation Power-Flex Cable
100% fine stranded PURE COPPER cable is an excellent choice for high amperage applications
Cable lugs closed end design and tin-coating protects the copper cable lugs from corrosion
2:1 Polyolefin heat shrink tubing applied to form a protective seal
Customize your cables! Simply select cable length and cable lug mounting hole diameter for cable ends. You will receive one black cable and one red cable.
Product DetailsBrand: | WindyNation |
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Model #: | CBL-CSBR-20-256-9 |
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Size: | 9 in. |
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Color: | 5/16 in. Lugs both ends |
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Price: | $23.46 |
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2/0 AWG 2/0 Gauge Red + Black Pure Copper Battery Inverter Cables Solar, RV, Car, Boat 9 inches 5/16" Cable Lugs
4/0 AWG 4/0 Gauge Red + Black Pure Copper Battery Inverter Cables Solar, RV, Car, Boat 9 inches with 3/8 in Lugs
Product DescriptionManufactured with ultra-flexible WindyNation Power-Flex Cable
100% fine stranded PURE COPPER cable for high amperage applications
Copper cable lugs are tinned coated and utilize a closed end design for corrosion protection.
Polyolefin heat shrink tubing applied to form a protective seal.
Includes one black cable and one red cable. Simply select cable length and cable lug mounting hole diameter for cable ends.
Product DetailsBrand: | WindyNation |
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Model #: | CBL-CSBR-04-238-9 |
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Size: | 9 in. |
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Color: | 3/8 in. Lugs both ends |
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Price: | $33.51 |
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4/0 AWG 4/0 Gauge Red + Black Pure Copper Battery Inverter Cables Solar, RV, Car, Boat 9 inches with 3/8 in Lugs
4/0 AWG Gauge Red + Black Pure Copper Battery Inverter Cables Solar, RV, Car, Boat 9 in 5/16 in Lugs
Product DescriptionManufactured with ultra-flexible WindyNation Power-Flex Cable
100% fine stranded PURE COPPER cable for high amperage applications
Copper cable lugs are tinned coated and utilize a closed end design for corrosion protection.
Polyolefin heat shrink tubing applied to form a protective seal.
Includes one black cable and one red cable. Simply select cable length and cable lug mounting hole diameter for cable ends.
Product DetailsBrand: | WindyNation |
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Model #: | CBL-CSBR-40-256-9 |
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Size: | 9 in. |
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Color: | 5/16 in. Lugs both ends |
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Price: | $30.99 |
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4/0 AWG Gauge Red + Black Pure Copper Battery Inverter Cables Solar, RV, Car, Boat 9 in 5/16 in Lugs
Spartan Power 9 Inch 1/0 AWG Black SpartanFlex Battery Cable with 5/16" Ring Terminals
Product DescriptionMade in the USA - Spartan Power's most flexible battery cables are made with SpartanFlex technology, perfect for your power inverter, solar or audio application.
Cut to Length: Spartan Power's cables are professionally finished with a premium-grade cut, crimping, and heat shrinking that deliver durability, endurance, and the highest performance.
100% pure copper wire
Lifetime Crimp Warranty
Giving Power to The People: Helping people arm themselves with the right tools and accessories, Spartan Power manufactures ultra-high quality, Made in the USA battery cables every day in Reno, Nevada; Trusted by professionals, enthusiasts, and DIYers everywhere
Product DetailsBrand: | Spartan Power |
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Model #: | WELDBLACK9IN1/0AWG56 |
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Size: | 1/0 AWG |
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Color: | BLACK 9 INCH 1/0 AWG - 5/16" |
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Price: | $13.00 |
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Spartan Power 9 Inch 1/0 AWG Black SpartanFlex Battery Cable with 5/16" Ring Terminals
Geosiry 1/0 Battery Cable, 10FT Red + 10FT Black 1/0 Welding Cable, Stranded Oxygen-Free Copper Wire for Automotive, Battery, Solar, Marine and Generator
Product DescriptionPremium Fully Annealed Oxygen-Free Copper: Geosiry battery cable is made of 100% fully annealed oxygen-free copper wire (OFC) and solvent-resistant EPDM insulating jacket for excellent conductivity and flexibility.
Heavy Duty Wire: This welding cable consists of 1703 strands of 0.2mm oxygen-free copper wire, rated up to 600 volts, withstands temperatures from -58°F to +221°F (-50°C to +105°C), resistant to most solvents, is fireproof (polyolefin material), and can be used in the harshest conditions.
High Quality EPDM Insulating Jacket: EPDM is heat resistant, abrasion resistant, tear resistant, moisture resistant, oil resistant and corrosion resistant, making it ideal for outdoor and marine applications.
Wide Range of Applications: The fully annealed copper wire suitable for any type of automobile, solar system, generator and etc. It's an alternative to automotive and marine wires. For DC applications involving high voltage batteries, pure copper wires are recommended.
Quality After-Sales Service: Geosiry specializes in quality cables for outdoor enthusiasts and DIYers. After receiving the products, please check the integrity of the products. If there are any problems, please feel free to contact us.
Product DetailsBrand: | Geosiry |
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Model #: | Ge-WC-1/0AWG-10FT |
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Size: | 10FT Red + 10FT Black |
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Color: | 1/0awg |
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Price: | $85.49 (Save 5%) |
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Geosiry 1/0 Battery Cable, 10FT Red + 10FT Black 1/0 Welding Cable, Stranded Oxygen-Free Copper Wire for Automotive, Battery, Solar, Marine and Generator
Klein Tools 63225 Cable Cutter, 9-Inch High Leverage Cutter for Aluminum, Copper and Communication Cable
Product DescriptionCable cutter cuts 4/0 aluminum, 2/0 soft copper, 100-pair 24 AWG communications cable
High-leverage design for exceptional cutting capability
Precision, one-hand shearing action and cable-gripping shear-type jaws
Perfect for working in confined spaces
Made in USA
Can be carried in most tool pouches
Product DetailsBrand: | Klein Tools |
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Model #: | 63225 |
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Warranty: | Please refer to attached warranty document for information |
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Color: | Red |
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Dimensions: | 9.07 X 1.89 X 0.82 inches (Length X Width X Height) |
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Price: | $35.97 |
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Klein Tools 63225 Cable Cutter, 9-Inch High Leverage Cutter for Aluminum, Copper and Communication Cable
1/0 AWG 1/0 Gauge Single Red 9 inches w/ 3/8" Lugs Pure Copper PowerFlex Battery Inverter Cables for Solar, RV, Auto, Marine Car, Boat
Product DescriptionIncludes one red 1/0 gauge cable pre-assembled with marine grade cable lugs. Use selection tabs to select (1) terminal mounting hole stud size (5/16" both ends, 3/8" both ends, or one end 5/16" + one end 3/8") and (2) cable length (options range from 9 inches to 7 feet)
Manufactured with ultra-flexible WindyNation Power-Flex Cable. 100% fine stranded PURE COPPER cable for high amperage applications.
Made in the USA by WindyNation Inc. Cable is SAE J1127 compliant and rated for up to 600 volts from -50°C to +105°C.
Pure copper cable lugs are tinned coated and utilize a closed end design for corrosion protection.
Polyolefin heat shrink tubing applied to form a protective seal.
Product DetailsBrand: | WindyNation |
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Size: | 3/8 in. Lugs both ends |
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Color: | 9 in. Red |
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Price: | $16.99 |
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1/0 AWG 1/0 Gauge Single Red 9 inches w/ 3/8" Lugs Pure Copper PowerFlex Battery Inverter Cables for Solar, RV, Auto, Marine Car, Boat
LEESKY 1/0 AWG Battery Cables 1/0 Gauge 6 Feet Pure Copper Battery Inverter Cables 3/8 Inch Terminals for Golf Cart, Power Inverter, Solar, Car, RV, Marine
Product DescriptionSuitable for your use on battery, RV, Car, Golf Cart, Marine, Trucks, motocycles, lawn mowers, power inverters and other electrical equipment
Pure copper cables, 1/0AWG, superior in lower resistance and less current consumption than CCA cables, more durable and higher efficiency. Heat resistant is up to 105c. Rated voltage 600V
Premium PVC insulate. More safety and flexible, high heat-insulating and flame retardant, Environment friendly
Designed with 3/8 inch pure copper terminal , which is great in Anti-corrosion. Cable end is sealed with heat shrink tubing for heat insulation
Product DetailsBrand: | LEESKY |
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Model #: | LS1/0AWG6 |
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Warranty: | 1 year warranty from the date of purchase |
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Size: | 1/0AWG 6FT Cables |
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Color: | Red, Black |
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Dimensions: | 0.393700787 X 0.393700787 X 0.393700787 Inches (Length X Width X Height) |
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Price: | $73.88 |
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LEESKY 1/0 AWG Battery Cables 1/0 Gauge 6 Feet Pure Copper Battery Inverter Cables 3/8 Inch Terminals for Golf Cart, Power Inverter, Solar, Car, RV, Marine