This JST RCY plug is also referred to as a BEC (battery eliminator circuit) connector and is commonly used with battery packs for RC applications. The connector is keyed so that power cannot be reversed.

This is the male version of the connector (we also offer a matching female version). Two 10 cm 20-AWG wires are crimped inside the connector housing. The leads have silicone insulation and stripped, tinned terminations. As an alternative, we sell a JST connector pack that includes housings and crimp pins you can use to attach these connectors to your own wires.

Note: these connectors are sometimes referred to as “female” in the RC hobby industry, so please look at the product picture carefully to make sure it is what you want.

Male JST plug dimensions (in mm).


General specifications

Gender: male
Lead length: 10 cm


SKU PL-2181
Brand Pololu

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