Suitable for 18V 20V Li-ion Battery to for -Change 18V Li-ion Battery Tool. This product does not include batteries and tools, only adapters. The products are only used for flexible conversion between one power tool and another lithium battery, and do not involve any other ! The products are only converter, not charger, not battery, not machine, also can not recharge battery by it. With the adapters, you can use for 18V 20V Li-ion Battery on for Lithium battery Tools. The adapter is , finely crafted, easy to operate and install, easy to carry, reliable in quality, and can firmly combine tools and batteries perfectly, making your work more convenient and efficient ! Compatibility: 1. The top of the adapter is suitable for -Change 18V batteries Tool. 2. The bottom of the adapter is suitable for 18V 20V Li-ion Battery lithium batteries. This adapter is used for Battery: suitable for 18V 20V Li-ion Battery DCB180,DCB182,,,DCB201,,DCB230,,DCB240,,DCB206 Tool: suitable for -Change 18V