... :9V, 150mA and 25mA Can charge 1-4 pcs of battery Universal Battery ChargerInput voltage: 110V AC, 50/60Hz, 5WOutput voltage: 9V, ... charged together) Constant charging current and voltage keep the battery longer using life LCD shows the charging process of ... battery size D/C/AA/AAA LED shows the 9V battery charging process MCU controls the charging process. Universal Battery Charger