Ryobi Multi-Volt Battery Charger "blinking defective" Questions

blinking on the ryobi battery charger please check if the RED LED light is flashing or not. If yes, this battery may defective. If defective, try to repeat the conditions a second time by removing and

18v lithium porter cable battery and charger red light at very bottom keeps blinking, wont turn green The battery is defective.

...Defective" Are the lights blinking or steady? On my Ryobi battery charger (dual-chemistry), if the red and green lights are both blinking, the battery is damaged and will not accept a charge. Replace ...

I just got a set of power tools and the bateries just blink red when i put them on the charger? does this meen they are toast? if u got a soilder gun u can pull battires apart and there is a burned ...

dewalt de0245 DeWalt 24v DE0245 battery charger gone faulty its red light blink fast with out battery in, how can I fix this as I have 2 of them with same problem, These de0245 chargers are designed ...