CP-39 : DC Power & Charge Cord for KENWOOD radios. Fits the TH-D7A, TH-D7E, TH-G71, TH-G71A, etc (all worldwide versions). Input: 12-13.8VDC from socket. Output: 12-13.8VDC. Coax end plugs into side of handheld radio (center hone polarity Positive+). Provides power to radio, and also slow-charges the attached rechargeable battery. Has built-in 5A fuse in DC plug. Fits many other Kenwood radios as well, including TH-22, TH-42, TH-79, TH-28, TH-48, TH-78, TH-F6, etc.