"Describe: only for Bauer 20v MAX lithium type wireless tools. Suitable for DeWalt 20v MAX XR DCB203 DCB205 sliding lithium batteries. (Not compatible with any Black & Decker battery.) The adapter does not support the charging function for DeWalt batteries (use the original charger). Slim and compact design, built-in tool to remove release switch. Do not attempt to use the adapter for other types of batteries and tools. WARNING: Not compatible with any Black & Decker battery (PIN different sorting and size) Make sure the battery is fully inserted for normal use Adapter does not support the charging function for DeWalt batteries Package includes: 1* Adapter (adapter only, battery and tool not included)