4/0 AWG Gauge Red + Black Pure Copper Battery Inverter Cables Solar, RV, Car, Boat 12 in 3/8 in Lugs Manufactured 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. WindyNation's battery cables are manufactured using our Power-Flex Welding cable, which is a highly flexible industrial grade electrical copper cable. WindyNation's battery cables are excellent for battery bank wiring, inverter cables, grounding cables, RV car wiring applications, golf cart wiring, and any other application where a highly flexible pure copper conductor is required. Our battery cables are available with pre-attached cable lugs with 5/16" or 3/8" diameter mounting holes. Polyolefin heat shrink tubing is applied at the cable lug attachment point to form a protective seal. Shipping We offer FREE shipping on all orders within the Continental USA! We ship within Three business days of payment, usually sooner. We use a selection of shipping services such as UPS, FedEx, USPS etc. We ship WORLDWIDE, APO/FPO addresses or PO Boxes allowed IN SOME LOCATIONS. We ship to some of US protectorates free, not all. Pls check with us or we invoice your shipping. We offer more quantity than listed, please message us your desired quantity. We offer wholesale of huge orders, please message your request and we would accommodate it. Local pickups and combined shipping options are not provided at this time. Return You can return a product for up to 30 days from the date you purchased it. Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt. Payment We accept payment by any of the following methods: PayPal, direct payments, credit cards. Please pay as soon as possible after winning an sale, as that will allow us to post your item to you sooner! Feedback Customer satisfaction is very important to us. If you have any problem with your order, please contact us and we will do our best to make you satisfied. Contact Us If you have any queries, please contact us via. We usually respond within 24 hours on weekdays. Please visit our store to check out other items for sale! Thank you for shopping at our store.