Features: This adapter can make lithium batteries use on 18V Ni cordless power tools,and let you enjoy the benefits of extended run-time of battery on your existing 18V tools. Maximum initial battery voltage(measured without a workload)is 20 volts,nominal voltage is 18V. Small size,lightweight,easy to carry and storage. Made of durable material,safe and wear resistance. Professionally designed, the converter can be converted without loss. Notice: Use for Makita 18V Ni cordless power tools. Can not be used for power tool battery charging,this adapter will not fit into any chargers,if you need to charge your power tool batteries,please use the original battery chargers. WARNING: Read instruction manual 1.To reduce the risk of serious personal injury, turn tool off and remove the battery pack with adapter before making any adjustments or removing/installing attachments or accessories. Any accidental start-up can cause injury. 2.Do not store or carry the adapter with the battery installed so that metal objects can contact exposed battery terminals and result in shortcircuit and fire hazard. 3.Use proper batteries for this adapter, improper battery can lead to adapters damage. 4.Using adapter not suitable for machines can lead to malfunctions or cause damage to power tool. includes:1x Battery Adapter