The Sennheiser L 60 battery charger is used to charge two BA 60 or two BA 61 rechargeable lithium-ion battery packs simultaneously. You can also daisy-chain up to four L 60 chargers at once to maximize your charging capabilities. The NT3-1 power supply is required to power the L 60 charger and is sold separately.
The BA 60 is a rechargeable lithium-ion battery pack for the SKM 6000 and SKM 9000 wireless handheld microphone transmitters.
The BA 61 is a rechargeable lithium-ion battery pack for the SK 6000 and SK 9000 wireless bodypack transmitters.