RC Connector EC5 Trinity 3 pin Charger Connector Set Description: 1. Battery EC5 :Reverse polarity protection . 2. Low Resistance. 3. High condtuctivity. 4. Used for RC model battery. 5. High quality and good service. 6. Banana plug is gold or nickel plated. 7. The sizes include: 2.0mm, 3.0mm, 3.5mm, 4.0mm, 5.0, 5.5mm, 6.0mm, and 8.0mm. 8. It is mainly used in motor, battery, electro-hydraulic governor. 9. It is convenient used in socket. So it is prior to use in High-power electrical. 10. It has different plastic housing protected. 11. It is convenient used in socket. So it is prior to use in High-power electrical, such as audio, receiver, enlarger. 12. EC5 insulated jacket 13. RoHS compliant PS: it is very kind of you to tell us the details productor of you like so we can contract you in time