4 Bank Smart Quick Charger/ Discharger for AA, AAA Ni-MH/Ni-CD Batteries Masione offers this Brand New charger for 9V AA, AAA, Ni-MH Ni-CD Rechargeable Batteries. Fast charge - Quick charging IC, power your batteries super fast, makes your life more convenient. Battery detection technology, automatically turn to trickle charge when batteries are full charged. Worldwide voltage for 100-240V 50/60Hz adapter input, can be applied to supplied voltage globally. Notes: for the different type batteries, you may need check the connectors parts of the battery and this charger to make sure that the batteries are correctly connected.