SAVE TIME & CHARGE MORE - The 48 bay AA, AAA smart battery charger offers 24 different channels allowing you to charge any combination of AA/AAA NIMH/NICD rechargeable cells. Eliminate the need for multiple household AA/AAA battery chargers Optional Refresh Cycle Rechargeable Battery Charger: Easy to Use Cycling Feature Fully Discharges and Charges Your Cells to Extend their Overall Lifespan and performance,Especially Deep Cleaning the Nicd Rechargeable Batteries,Useful and Good For the Environment instead of Using Throw Away Batteries. 48 Bay Smart Battery Charger LCD Display Quick for AA/AAA NiMH/NiCd Rechargeable Batteries with Built-in IC Protection & AC Wall Adapter