Black and decker 20v lithium battery 2.0 ah and charger

How long will a 20V 2ah battery last?

A compact 2ah battery should last about 6-8 hours, so you get about 3-4 hours per ah.

Is it OK to leave a Black and Decker lithium ion battery on the charger?

A: Black & Decker says that these batteries can be left on their chargers indefinitely without overcharging.

Are all 20V chargers the same?

A: The 20V line of batteries and chargers are interchangeable. The only difference is that you cannot charge a Lith-ion battery on a Ni-cad charger.

Are all 20 volt Black and Decker batteries interchangeable?

Yes, all of our 20V BLACK+DECKER batteries and chargers are interchangeable within our 20V BLACK+DECKER product line.