![DM18M Adapter converts for Dewalt 20V Lithium Battery and for Milwaukee 18V M18 Lithium Battery to for Makita 18V Lithium Battery BL1830 BL1840 BL1850 - - Amazon.com DM18M Adapter converts for Dewalt 20V Lithium Battery and for Milwaukee 18V M18 Lithium Battery to for Makita 18V Lithium Battery BL1830 BL1840 BL1850 - - Amazon.com](https://m.media-amazon.com/images/I/71T0J9AhI9L.jpg)
DM18M Adapter converts for Dewalt 20V Lithium Battery and for Milwaukee 18V M18 Lithium Battery to for Makita 18V Lithium Battery BL1830 BL1840 BL1850 - - Amazon.com
![Harbor Freight's new 20v cordless batteries ARE Dewalt knock-off's but are NOT cross-compatible : r/Tools Harbor Freight's new 20v cordless batteries ARE Dewalt knock-off's but are NOT cross-compatible : r/Tools](https://external-preview.redd.it/geAtZJUXAIHet-MHW6Vxtscx7Kyzl4LIb0eUo4ylIhs.jpg?auto=webp&s=a2487f18e9675a729c03bc4a6fbb8bd32dd6e5b5)
Harbor Freight's new 20v cordless batteries ARE Dewalt knock-off's but are NOT cross-compatible : r/Tools
![DEWALT 20-Volt 2-Pack 4 Amp-Hour; 4 Amp-Hour Lithium Power Tool Battery Kit in the Power Tool Batteries & Chargers department at Lowes.com DEWALT 20-Volt 2-Pack 4 Amp-Hour; 4 Amp-Hour Lithium Power Tool Battery Kit in the Power Tool Batteries & Chargers department at Lowes.com](https://mobileimages.lowes.com/productimages/588f7b7c-dd61-407f-9479-9972f002ea8f/04437393.jpg?size=pdhism)