12AWG M.C4 Solar Extension Cable Flat Cable for Window Pass Through IP68 Waterproof 30A 1500V Solar Panel Wire No Drilling Required for RV Boat Home Solar Systems 2PCS 6.6FT

- [WINDOW PASS THROUGH WITHOUT DRILLING]Designed with an ultra-flat profile, this M-C4 solar extension cable easily passes through windows, doors, floors, and wall gaps without drilling holes. Keep your window fully closed and locked while connecting solar panels outdoors to power stations, RV batteries, or off-grid systems indoors. - [IDEAL FOR RV, BOAT & HOME SOLAR SETUPS]Perfect for RVs, campers, boats, cabins, apartments, and temporary solar installations where permanent wiring is not practical. Provides a clean and convenient way to route solar panel cables indoors. - [IP68 WATERPROOF MC4 CONNECTORS]Equipped with sealed IP68 waterproof connectors and durable locking tabs to resist rain, dust, moisture, and corrosion. Built for long-term outdoor use in harsh environments. - [12AWG TINNED COPPER FOR HIGH EFFICIENCY]Constructed with premium 4mm² (12AWG) tinned copper conductors for lower resistance, improved conductivity, and enhanced corrosion protection. Supports stable power transmission under demanding solar applications. - [30A 1500V COMPATIBLE WITH MOST SOLAR SYSTEMS]Rated for up to 30A and 1500V DC, compatible with most solar panels, charge controllers, inverters, battery systems, and portable power stations using standard MC4 connections.

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