r 3S. It has four wires and is used primarily to make adapter cords to mate batteries, chargers and balance boards. This connector will plug directly into the balance port on the PTK-106B+ charger. ...
4.0mm Gold Plated Inline Connectors. These connectors are feature a 4mm diameter and work great for many applications, including making your own batteries. ProTek R/C is an AMain Sports & Hobbies brand. ...
It has five wires and is used primarily to make adapter cords to mate batteries, chargers and balance boards. This connector will plug directly into the balance port on the PTK-106B+ charger. ...