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RICH SOLAR 4/0 Gauge 3/8" Battery Cables | Pair of 4/0 AWG Red and Black Pure Copper Inverter Battery Cables with 3/8" Lugs | Choose Cable Length: 1ft, 2ft, 3ft, 4ft, 5ft, 6ft Wiring Cable RICH SOLAR 1 Feet Red & Black (Set) 3/8" Both Ends

RICH SOLAR 4/0 Gauge 3/8" Battery Cables | Pair of 4/0 AWG Red and Black Pure Copper Inverter Battery Cables with 3/8" Lugs | Choose Cable Length: 1ft, 2ft, 3ft, 4ft, 5ft, 6ft

BY: RICH SOLAR | SKU: RS-4/0A1F3 Availability: In Stock
$35.99

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RICH SOLAR 4/0 Gauge 3/8" Battery Cables | Pair of 4/0 AWG Red and Black Pure Copper Inverter Battery Cables with 3/8" Lugs | Choose Cable Length: 1ft, 2ft, 3ft, 4ft, 5ft, 6ft

The RICH SOLAR 4/0 Gauge Battery Cable Set is built for serious power demands in high-amperage battery bank connections, inverters, and large off-grid systems. Made from 100% pure copper and pre-fitted with 3/8" tinned copper lugs, these heavy-duty cables ensure ultra-low resistance and maximum conductivity. Available in multiple lengths from 1ft to 6ft, this red and black pair is ideal for energy storage systems, large inverters, or critical backup power applications.

RICH SOLAR 4/0 Gauge 3/8" Battery Cables Features

Ultra-Low Resistance Pure Copper

Constructed from 100% fine-stranded copper—provides exceptional current-carrying capacity for high-load systems.

3/8" Tinned Copper Lugs Pre-Installed

Crimped and sealed for maximum reliability—ready for direct connection to batteries, inverters, or power bus bars.

Heavy-Duty Flexible Jacket

Industrial-grade PVC insulation—resists abrasion, oil, moisture, and extreme temperatures.

Color-Coded Design

Includes one red and one black cable—clearly identifies polarity and simplifies installation.

Multiple Length Options

Available from 1ft to 6ft—choose the right length for your power system configuration.

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RICH SOLAR 4/0 Gauge 3/8" Battery Cables Applications

  • Battery Bank to Inverter Connections – Ideal for high-amperage inverter wiring in solar or backup systems.
  • Energy Storage Systems – Heavy-duty cables designed for large battery arrays and high-capacity storage.
  • Off-Grid Power Systems – Reliable current delivery for whole-home off-grid solar installations.
  • RV and Marine Setups – Strong, flexible cables suitable for heavy-load mobile power systems.
  • Bus Bar Wiring – Perfect for connecting battery banks to distribution panels and power centers.
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What's Included

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  • RICH SOLAR 4/0 Gauge 3/8" Battery Cables | Pair of 4/0 AWG Red and Black Pure Copper Inverter Battery Cables with 3/8" Lugs | Choose Cable Length: 1ft, 2ft, 3ft, 4ft, 5ft, 6ft
  • User Manual

RICH SOLAR 4/0 Gauge 3/8" Battery Cables Specifications

Category Specification
Shrink ratio Approximately 3 to 1 at +194°F
Operational temp. range -67°F to +275°F
Dielectric strength 500 V/mil (197 kV/cm)
Volume resistivity 10¹⁴ ohm-cm
Tensile strength 1500 psi (141 kg/cm²)

Frequently-Asked Questions

What is the maximum current these cables can handle?

4/0 AWG cables are rated for very high currents, typically up to 300+ amps depending on length and application—perfect for large inverter setups.

Are the terminals pre-attached?

Yes. Each cable comes with pre-crimped, tinned copper lugs sized for 3/8" terminal posts.

Can I use these for parallel battery configurations?

Absolutely. These are ideal for both series and parallel battery bank connections where heavy current flow is required.

Are these marine grade?

Yes. The tinned copper lugs and UV-resistant insulation make them suitable for marine and outdoor environments.