4 AWG Battery Cables With Lugs - Ultra Flexible Pure Copper Power Cables For Solar, RV & Marine Use

About This Product

Check these out - seriously flexible 4 AWG battery cables that make wiring projects so much easier! WindyNation makes these right here in the USA with their Power-Flex cable that just bends and twists without fighting you. The cable is packed with fine copper strands (like, really fine) and has this EPDM insulation that handles oil, water, and even solvents without cracking. Each set comes with one red and one black 2-foot cable, perfect for connecting batteries to inverters in your solar setup, RV, boat, or even car audio system. The lugs are what really impressed me - they're pure copper with tin coating that stops corrosion dead in its tracks, which is huge for marine or outdoor use where moisture is always a problem. They crimp these things with a 6-ton pneumatic crimper at their California facility, so the connection is solid and won't come loose. Then they add heat shrink tubing that forms this tight seal around the cable end - no moisture getting in there! The lugs come in two hole sizes: 3/8 inch and 5/16 inch, so you can match them to your battery terminals perfectly. These aren't those cheap, stiff cables that break after a few bends - the flexibility is legit, making installation in tight spaces actually possible. Whether you're upgrading your off-grid power system, wiring up a golf cart, or building a custom car audio setup, these cables handle the high amperage without breaking a sweat. Plus, supporting US manufacturing feels pretty good too. Just pick your length and lug size, and you're ready for a professional-grade power connection that'll last for years.