Product(WG163) 20V POWER SHARE GT 3.0 12" STRING TRIMMER & WHEELED EDGER Battery status
(WG163) 20V POWER SHARE GT 3.0 12" STRING TRIMMER & WHEELED EDGER

Battery status

Try this solution

Fully charge the battery and attach to WG163 to start

Possible cause:
Battery discharged.

Also see the content in the charger manual.