Highest Quality 4-pin XLR Connector and Charge Port on the market. We recommend VESC- or DIY-Onewheels to be built with this 4-Pin XLR Connectors instead of the traditional 3-Pin Version. With using only 2 pins of this 4Pin system you are able to avoid damage by plugging in the wrong Charger. Check out the six recommended Pin-out options below. The 4-Pin XLR Port got the same outer Dimensions as the 3-pin Version, therefore can be used with any 3rd party Controllerbox on the Market. Choose:

• "Female Plug..." for Charger Connector

• "Male Port..." for the Charging Port at the Controller

• or "Female Plug and Male Port" for both

Recommended Pin-Out:

15S - P2 = neg, P3 = pos (or go with 3-Pin XLR) 16S - P1 = neg , P4 = pos 17S - P1 = neg , P3 = pos 18S - P1 = neg , P2 = pos 19S - P2 = neg , P4 = pos 20S - P3 = neg, P4 = pos