AstroAI LS40791 - Operating Instructions; Powering On and Connecting Power

Hold the handle and press the button above the battery to remove
the battery.
EN
20V
INSTRUCTIONS
NOTE: Ensure the 2.0 AH rechargeable battery pack is fully charged
before use.
1. Install the 2.0 AH rechargeable battery pack at the bottom of the
tire inflator or insert the 12 V DC power cord into the vehicle's
12 V cigarette lighter socket.
2. The screen will light up after powering on.
07 _