Description:With this adapter, you can use lithium batteries for 18V Ni cordless power tools and benefit from longer battery life for existing 18V tools. The maximum initial voltage of the battery (measured without load) is 20 volts, the rated voltage is 18 volts. Small, lightweight, easy to carry and store. Made of material, safe and wear-resistant. Professionally designed, the converter can be converted losslessly. This adapter can make the listed lithium batteries used in MAKITA 18V NI cordless power tools and allow you to enjoy the benefits of extended runtime lithium-ion batteries on your existing 18V tools. The maximum initial battery voltage (measured without load) is 20 volts, the nominal voltage is 18 voltsSpecificCatiNa:Material: ABS + flame retardant materialMain color: black (as shown)Input voltage: 18V Input source: 2A USB output: 5V 2.1A Note:Allows the use of 18V lithium batteries and replacement rechargeable batteries in most MAKITA batteries:BL1860B/BL1860/BL1850B/BL1850/BL1840/BL1830B/BL1830/BL1820/BL1815, etc. Use for MAKITA 18V NI cordless power tools. It cannot be used to charge the battery of a power tool, this adapter does not fit any chargers. If you want to charge the power tool batteries, use the original battery charger. Warning: Read the user manual1. To reduce the risk of serious personal injury, turn the tool off and remove the battery pack with adapter before making any adjustments or removing/installing accessories. Any accidental launch may cause injury.2. Do not store or carry the adapter with the battery installed so that metal objects can touch the exposed terminals to the battery and cause a short circuit or fire.3. Use the correct batteries for this adapter. An incorrect battery can damage the adapter.4. Using an adapter not suitable for machines may cause the power tool to malfunction or be damaged. Package Included:1x Rechargeable Battery (Battery and Power Tools Not Included)Note:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.