Get longer-lasting power for all of your projects with the 20V MAX PowerConnect Lithium 3.0 Ah Battery from BLACK+DECKER. This lightweight and efficient battery pack powers your cordless drill, hedge trimmer, string trimmer, leaf blower and more, and works with the BLACK+DECKER 20V MAX PowerConnect line and any BLACK+DECKER 20V Max tool. This battery is built to last and be charged again and again. 3 amp hours of runtime per charge means you can keep working, with none of the dreaded “memory effect” that drained older batteries. When fully charged it holds its charge for up to 18 months, or 500 days, so it’s always ready whenever you need it. Switch this lightweight battery easily between tools and knock out a weekend’s-worth of projects around the house, the garage, the lawn, or wherever work needs to get done. The 20V MAX PowerConnect Lithium 3. Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18.