Anchor 2/0 Marine Grade Battery Cable In Red. Boats Rvs and other systems run more equipment than ever before. You can't afford to lose a half volt (or more) due to shoddy wiring or old internally corroded wires. Many boat owners don't know that the wiring in a saltwater boat begins to oxidize due to electrolysis. Yes it may look fine on the outside but the voltage and amperage tells a different be completely replaced every 25 years as the wiring under the insulation This is the gold standard for power on your boat, RV, tractor or solar power system. Fine-stranded copper wire made in the USA and tinned to perfection. This reduces power loss running distances and fights corrosion around your boat and from battery to battery giving you maximum energy when you need it. (Add your connectors and seal with high-quality heat-shrink tubing for long lasting connections.)