HQRP Pair MC4 T-branch Solar Panel Connector M/M/F & F/F/M (1F2M & 2F1M) for PV / Photovoltaic Syste

If you plan on connecting two solar panels together you will need to get these, or something similar for your panel type. These arrived quick and in good condition. Easy to install but make sure that you have marked the wire connecting your solar panel to your controller. It is important to know the positive and negative sides. I like to put a piece of colored electrical tape on the positive side... and not down by the batteries. That will not help you when you are on the roof. Put it on the roof side of the wire.

The good is that they work, and they seem durable enough.

They bad is that they didn't pair exactly with the connectors bought from the same company. Actually, F-M was too stiff that a flap broke, while M-F was loose.

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I have purchased two pair of the MC4 connectors great product fast shiping.The connectors apear to be of high quality I have had no issues with them.

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These connectors are constructed very well. Heavy duty design and make connecting solar modules in parallel very easy. I am happy with these connectors.

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These connectors are tight fitting very durable and has rubber seals to make them water tight. Allows you to connect two solar panels in parallel into one feed. A little pricey but seem woth the value. Wiring is easy the tool offered is not needed.