Product Name: MC4 solar panel extension cable
Product Description
It comes with waterproof MC4 connectors ("male" on one end, "female" on the other) which can be easily connected to similar MC4-type connectors coming with most solar panels. This is a single core solar extension cable 4.0mm cross section which is specially designed for solar panels to carry high current and have negligible power loss.
There are three type for your choose: one is double end connect(male + female), others is cable + MC4 male or female
MC4 size
Packing
