MC9500 Single Bay USB Cradle Only, for spare battery charging purchase single slot spare battery charger (SAC9500-1000CR) separately. Cradle requires power supply KT-14000-148R and country specific 3 wire grounded AC line cord. NOTE: Single Bay Cradle and Single Slot Spare battery charger can charge off of the same power supply with purchase of DC 'Y' cable 25-122026-01R.