Feature:1. Directly interchange, easily realize the idea of using different batteries, and do not need to replace the electric drill.2. Small size, light weight, easy conversion of lithium battery to nickel battery, only need an adapter to get it.3. Suitable for Milwaukee20V DCB200 DCB203 DCB205 DCB206 M18+DM18M adapter = alternative to 18V lithium battery BL1830 BL1840.4. It can be used on for power tools, but cannot be charged directly on the adapter.5. Made of high quality material,durable and safe. Portable and convenient to carry and easy to use.Specification:Item Type: Battery Adapter Material: ABS+PCColor: BlackProduct Size: Approx. 11x6.5x5cm / 4.3x2.6x2.0inWeight: Approx. 140g / 4.9ozVoltage: 20VFunction Description: DM18M black adapter suitable for Milwaukee 20V DCB200 DCB203 DCB205 DCB206 M18+DM18M adapter = alternative to 18V lithium battery BL1830 BL1840.It can be used on tools, but cannot be charged directly on the adapter..Package List:1 x Battery Adapter 1 x Instruction ManualNote:1. Please allow 12in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. It is not possible to charge directly on the adapter. If you need to charge, you need a dedicated battery charger.