?Compatible With Milwaukee M18 Battery 18V Series 48-11-1815 / 48-11-1820 / 48-11-1828 / 48-11-1840 / 48-11-1850 / 48-11-1860 And More. Our Battery Adapter Connector Is Well-Made, Snug Fit Your Battery, Can Install And Lock Battery Easily. Made Of Durable Abs Plastic, Heat Resistant And Not Easy To Corrode, Perfect For Indoor And Outdoor Use. | | ?Better Security, Our Product Upgrade Has Some Security Design. Equipped With 30Amp Fuse Protects The Battery Equipment From Being Damaged By Excessive Power. Waterproof Fuse Holder Rubber Cap Fits On Tightly To Protect Blade Fuse Inside. High Quality Silicone Copper Wire Improves The Conductivity And Safety, Heat-Resistance 12 Awg Wire Is Suitable For High-Power Applications. | | ?Easy To Use, Only Need To Move The Power Adapter Into The Groove, Then Push Converter And Make Sure It Has Locked The Battery. If You Want To Remove The Adaptor From The Battery, Please Press Down The Buckle Of The Battery, Then Remove It. There Are 3 Fixing Scre.