Dewalt power tool battery pack on any cordless tool is bound to eventually lose its ability to hold a charge. The only way to repair an old cordless drill battery pack is to replace the old battery cells, which is less expensive than purchase a new power tools battery. Your Dewalt power tool will be running strong again with not much time or expense invested, and you will have the added satisfaction of having fixed the battery pack yourself.
Instructions for Repair Dewalt DW9094 Power Tool Battery
1. Remove the power tool battery pack from your Dewalt cordless drill. Unscrew the screws holding the battery pack together. Pry apart the two pieces that make up the battery pack, cutting any labels or stickers that hold it together with a razor blade.
2. Remove the drill battery cluster from the plastic pack and set it in front of you. Remove the wires or metal strips that are connected to the battery cell terminals by melting the solder with a soldering iron.
3. As each old battery cell is removed, solder on a new DEWALT DW0242 Power Tool Battery cell, taking care to orient the positive and negative terminals the same as the old terminals. Continue until all old cells are replaced with new ones.
4. Inspect all your solder joints visually, making sure that the wires cannot be wiggled loose with your fingers. Insert the cell cluster into the two halves of the battery pack. Replace the screws holding the pack together. Insert the battery pack into your Dewalt tool.
Provide your Dewalt cordless drill model number and battery voltage to the supplier or online reliable battery shopping store AussieBatt when you purchase new power tool batteries, so that they can provide you with the correct replacement battery cells.