Equalizer® PowerPump™ eliminates the need for manual pumping of your Visual Vacuum Cups or Wood’s Powr-Grip Vacuum Cups. Simply replace the original plunger in your existing cup with the PowerPump™, press the button and let your cup automatically draw down. The PowerPump™ is designed for a minimum 5 hours of constant run time and can be used as a manual pump if your battery needs to be recharged. Includes 1 USB-C charging cord.