The canon ack dc90 ac adapter kit allows the canon sx400 ixus 125 ixus 132 ixus 135 ixus 140 ixus 145 ixus 150 ixus 155 ixus 240 ixus 265 powershot a2300 a2400 a2500 a2600 a3400 a3500 a4000 digital compact camera to be powered directly from the mains for extended shooting or downloading times