Why Is My Black And Decker Battery Charger Blinking Red. If the battery is hot when put into the charger a red light will come on. The completion of charge is indicated by the LED remaining on continuously.

If you would like to replace the battery you can. Place the spent battery in the charger and snap it into place. If the light blinks red in about 90 seconds after battery insertion then the battery voltage is too low.
If the light blinks red in about 90 seconds after battery insertion then the battery voltage is too low.
There is a poor connection between the battery and charger. There is a problem with the battery pack. Occasionally the charger might show blinking red right to indicate bad batteries. If the battery is not fully discharged it could be less.
