Product(WG186) NITRO 40V POWER SHARE CORDLESS ATTACHMENT-CAPABLE DRIVESHARE 15" STRING TRIMMERContinuous flashing light on the battery charger indicator
(WG186) NITRO 40V POWER SHARE CORDLESS ATTACHMENT-CAPABLE DRIVESHARE 15" STRING TRIMMER

Continuous flashing light on the battery charger indicator

Try this solution

Reinsert the battery

Try reinserting the battery into the charger.

Possible Cause:
The battery may not be properly seated.