The Lithium-Ion batteries are compatible with the complete line of DEWALT 20-Volt MAX tools. The battery charger is compatible with all DEWALT 12-Volt and 20-Volt MAX Lithium-Ion battery packs. This DEWALT 20-Volt Max battery kit includes (2) DCB205 batteries, and (1) DCB1104 charger. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.