🛒【Function】Convert for Dewalt 20V battery or for Milwaukee 18V battery to for Makita 18V battery. Reuse for your old batteries and save your money on new 18V batteries for Makita. 🛒【Applicable Batteries】Fully compatible for DeWalt 20V lithium battery DCB200 DCB204 DCB206 DCB201 DCB203, also fit for Milwaukee M18 18V battery 48-11-1850 48-11-1862 48-11-1840 48-11-1828 48-11-1815. 🛒【Convert to for Makita 18V】Working for Makita LXT Cordless Power Tools and Also Compatible With BL1850, BL1840, BL1830, BL1815, LXT-400, 194205-3, 194204-5 etc. 🛒【USB Interface Design】The USB interface (output: 5V 2.1A) allows you to charge your mobile phone, iPad, Airpods and other small electronic devices at anywhere and anytime. (Note: This function requires battery insert as a source.) 🛒【Safe & Reliable】Designed with solid structure and material for long-term durability, safe and easy use. NOTE: Adapter can’t be used into any chargers, please remove the adapter when recharge the battery. 🛒【What You Get】1 x battery adapter, and come with a 12 months product warranty to ensure your worry-free purchase. Please feel free to contact us if any concerns about this product. Fybemax Battery Adapter DM18M for Makita 18V Tools, for Dewalt 20V & for Milwaukee M18 18V Battery to for Makita 18V Battery Tools, with USB Charging Port