DeWalt DCB324-4 20V MAX Lithium-Ion Battery 4-Pack, (2) x 4.0 Ah + (2) 2.0 Ah

Using your DeWalt DCB324-4 battery pack is easy. First, make sure your DEWALT 20V MAX* tool is turned off. Then, slide the battery onto the tool until it clicks into place. You can check the charge level of the battery using the 3-LED fuel gauge system. When using the 4.0Ah heavy-duty batteries, they're great for more power - hungry tasks like drilling large holes or driving long screws. The 2.0Ah compact batteries are perfect for lighter jobs and when you need a bit more portability. For safety, always store the batteries in a cool, dry place. Avoid exposing them to extreme heat or cold. Don't overcharge the batteries. When it comes to maintenance, keep the battery contacts clean. You can use a dry cloth to wipe them down occasionally. This will help ensure a good connection with your tools and keep the batteries working well for a long time.