The Engel Live Bait Cooler Air Pump AC Adapter is for use with Engel Live Bait Cooler Air pumps (version 1 & 2 only).  It automatically disconnects battery power when plugged in. This helps to save battery life. The air pump is designed to return to battery power when the Adapter is unplugged.

Features

• Input: 110-240v AC 
• Output: 3V DC
• Keeps bait fresh without draining battery power