US Plug Universal Digital Charger for 9V /AA /AAA / C /D NI-MH NI-CD Rechargeable Battery This charge can charge 1-4pcs AA / AAA /C / D and 1-2pcs 9V NU-MH / NU-CD rechargeable batteries The batteries in different sizes or capacities can be charged together Constant charging current and voltage keep the battery longer using life LCD show the charging process of battery size AA /AAA / C /D