E-Flite connectors are sold as a pair, complete with gold connectors and housings. Although gaining in popularity, due to many Spektrum products being supplied pre-fitted with these connectors, many people still prefer the simplicity of soldering Deans style connectors or using plain 4mm gold connectors on their devices and batteries. EC5 device and battery connectors are capable of 120 amps continuously. EC3 connectors are capable of 60 amps continuously.