iDigital&reg; Battery Charger for regular alkaline or rechargeable Ni-MH, Ni-CD AA, AAA Batteries | USB It charges AA or AAA Alkaline batteries (previously Non-Rechargeable) as well as rechargable Ni-MH (Nickel Metal Hydride), Ni-CD (Nickel Cadmium) and even charges non Alkaline batteries USB input lets you charge batteries with any USB port Portable and light weight only 2 oz. ideal for home, office and Travel Compact and Durable Simple & Easy to use - It has LED to display the status of each battery's charging cycle