Black & Decker JUS300B 600 Peak Amp Low Profile Jump Starter for $45.46 Shipped

Black & Decker JUS300B 600 Peak Amp Low Profile Jump Starter for $45.46 shipped.  Here is a screenshot for reference.  It has a low-profile design for easy storage within vehicle or garage as well as visual and audible reverse polarity alarms that warn against improper connections to battery terminals.  Most places have it for about $57.