Show 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.
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