This charger can charge 2pcs or 4pcs AA/AAA, or a 9V Ni-MH/Ni-Cd rechargeable battery Three LEDs showing the charging status of the batteries in red color With over charging protection and constant current/ voltage keeping the battery a longer life cycle Input: 100-240V AC, 50/60 Hz, 80 mA max Output: 2.4V DC 400 mA, 200 mA x2/x4 (AA), 100 mA x2/x4 (AAA), 30 mA x1 (9V) Charging time: Approx. 16 hours (AA), 12 hours (AAA), 9 hours (9V) Dimension: 79 x 64 x 80 mm Weight: 60g