1、APPLICABLE MODEL: This 18V rechargeable lithium battery is suitable for M18 series cordless power tools and is compatible for all M18 18V XC charger. 2、LED INDICATOR: The battery comes with 4 LED indicators that show remaining run time, reducing battery work downtime and making it easy to see. 3、GOOD COMPATIBILITY: Power tool rechargeable replacement battery, with standard specification and good compatibility, can be used as original parts. 4、PLASTIC SHELL: The lithium battery shell is made of ABS and PC, with good toughness, high strength, wear and aging resistance, has long service life. 5、FOR CORDLESS TOOL: Can directly replace the old or damaged cordless tool lithium battery to ensure the stable and good operation of the cordless tool.