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Product(WX500L) 20V POWER SHARE RECIPROCATING SAWBattery charger LED flashes red and the battery can't be charged
(WX500L) 20V POWER SHARE RECIPROCATING SAW

Battery charger LED flashes red and the battery can't be charged

Try this solution

Remove battery from the charger and allow it to cool to 42°C or less

Possible issue:
The battery overheats after continuous use. Allow it to cool.