ALLPOWERS Branch Connectors are used for parallel connection between solar panels. And it will maintain the voltage of your panel configuration to match your battery size. The connectors are only compatible with connectors and it comes with one male (MMF) and one female (FFM) connection About this item 【MC-4 Y Connector】1 M/FF and 1 F/MM female cable connectors. It could be used for connecting two solar panels in parallel. 【Stable self-locking system】Male is easy to lock and open from Female.The connector is stable and safe with the built-in lock which is durable outdoors. .
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