APC S20 Surge Protector Line Conditioner Battery Backup Start Price USD 50.00 Current Price USD 510.00 Time Left - Bid Count 18 Buy It Now Price - Reserve Price - Start Time Sunday, November 16, 2008 End Time Friday, November 21, 2008 Location Marlborough, CT See more about 'APC S20 Surge Protector Line Conditioner Battery Backup' Description Hi!  You are bidding on an APC S20BLK in near mint condition.  If you own or plan to own a high end Home Theater System, this item should be the center piece.  The S20 is a line conditioner and has isolated noise filtering which ensures clean power to all your equipment for the best possible performance.  It's also a surge protector and a voltage regulator which will protect all your equipment against any irregularities which can damage electronics while also extending the life of your equipment.  If that wasn't enough, this item also has battery backup which allows the proper powering down of equipment should a blackout occur.  This piece has too many features for me to list.  Please feel free to look into all it's capabilities on APC's site as well as many other high end retail sites.  This unit does have a few surface scratches on the top.  I will also be including the manual, software, and 4 rack ears.  I do not have the original box, feet, or any other accessories.  Thank you and happy bidding! Place a Bid!