How Do You Recondition Cordless Drill Batteries?
You can recondition cordless drill batteries that are nickel cadmium (NiCad) or nickel metal hydride (NiMH). These batteries wear down and eventually die out. You can correct this process and make your cordless drill batteries work like new again. Remove the dead battery pack from the cordless drill. Using the volt meter, determine which leads on your battery case are positive and negative. Mark the positive lead, so that it is easier to reassemble your battery case after the reconditioning process. Unscrew the cordless drill battery case to open and reveal the battery cells to recondition. Take note of the inside spring so you don’t lose it. This piece tends to snap out or pop away when the case is opened. Carefully lift off the top of the battery case. Place the small screws and the spring into a small container to make them easier to find during reassembly. Pull out the cells from the bottom casing. They should come out as one piece that is banded or shrink-wrapped together. Mark th