Compatible with compatible with M18 18-volt lithium ion batteries 48-11-1815 48-11-1850 48-11-1820 48-11-1840 48-11-1815 etc. Thick line 14 compatible with high-power applications such as upgrading your power wheels remote-controlled robot toys etc.Easy to use gently slide into the battery and lock it securely. Portable size easy to carry. The three screw holes can be well fixed on the wall car machine or any place you like.Fuse power supply overvoltage protection. The rubber cap of the waterproof fuse holder fits tightly to protect the internal blade fuse. Heat-resistant wire is suitable compatible with high-power batteries.Material:ABScolour:BlackPackage Contents:1 pack x power wheel adapter1 pack x built-in fuse holder3 packs x 30 amp blade fusesOnly the above package content other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is /- 1-3cm.