Williams AV BAT KT6 Dual-Bay Battery Charger & 4 AA Rechargeable Batteries for Select Bodypack Transmitters and Receivers (Black)The black CHG 3502 Dual Bay Bodypack Battery Charger from Williams Sound is used for charging select Williams Sound T36, T46, R37 and Motiva bodypack transmitters and receivers. The two bay charger allows you to simply dock the components and recharge the NiMH batteries inside without removing them. This configuration includes four AA size NiMH rechargeable batteries. The charger's plastic chassis features a red LED for each bay that indicates the