... channels Capable to charge 4pcs of AA/AAA or 2pcs 9V Battery charger:Battery: NI-MH & NI-CD AA/AAA/9VInput voltage ... pcs of AA/AAA, and 1 to 2 packs of 9V at a time;Charging current:150mA (AA), 100mA (AAA), ... AAA----LED red: charging LED green: FullWhen 9v cells are placed in the charger, one middle red LED will be on,after ... red LED will continue to glow NICD NIMH AA AAA 9V rechargeable battery charger