MR33 XT90 Adaptor + 4.0 Female

If you have ever shown up to the track with the wrong connector, you know exactly how frustrating that is. The MR33 XT90 to 4.0mm Female Adaptor solves that problem cleanly and permanently.

This adaptor is built to handle the current demands of high performance RC racing without getting hot or losing efficiency. The XT90 input pairs with a 4.0mm female output, so you can run your XT90 battery packs on any ESC or setup wired with 4.0mm connectors. No soldering required. No compromises on power delivery.

MR33 makes this for racers who care about the details. The fit is solid, the materials hold up under repeated use, and it just works. Keep one in your pit bag and you will never be caught off guard again.