Black & Decker’s VersaPak tools are great for the homeowner, and to keep them running, you’ll want some spare batteries. Some advantages to these include their freedom from “memory,” which keeps you from getting a full recharge and the fact that you’ll get at least 300 full recharges on each battery. They’ll power all the 3.6-volt VersaPak tools, including the ScumBuster and screwdrivers. Of course, once you buy a VersaPak...