CNB450E-IS won't charge
If DX DT DN: Battery care guidance is not followed, a CNB450E-IS battery can deep discharge resulting in a battery that will not respond to being charged.
Improvements have been made to the self discharge performance of CNB450E-IS batteries with build code M19 and above.
If you have a CNB450E-IS battery that won’t charge, is M18 or below build code, and is within its 12-month warranty we will arrange warranty replacement.
If you have a CNB450E-IS battery that won’t charge, is M18 or below build code, and is outside its 12-month warranty please purchase a replacement.