[For Makita 18V power tools] Adapter for use with Makita 18V power tools. For BOSCH 18V Professional batteries and Makita 18V power tools. [For Bosch batteries] Adapter for Bosch Professional 18V System batteries, for use with Makita 18V power tools. Converts BOS batteries into MAK batteries. Enables the exchange of Makita batteries. Not compatible with BOSCH 18V PBA batteries! [Features] BOS and MAK battery converter. Small, easy to carry, high quality materials, with USB port. [Material] The battery converter is made of high quality ABS+PC material, corrosion-resistant, safe, sturdy and durable. [Secure Connection]: This battery adapter locks securely onto the connection between the battery and the tool, making it safe and stable during use and eliminating the risk of falling or coming loose. [Caution:] This adapter cannot be used to charge the battery. Do not charge the battery without removing the adapter. Turn off the device and remove the battery from the adapter before making