Features: Better security: The adapter is equipped with a fuse and high- silicone copper wire to prevent excessive transient current from damaging the battery and equipment. You can use it safelyPerfectly compatible : For Milwauke 18V, 48-11-1815, 48-11-1850, 48-11-1820, 48-11-1840, 48-11-1815 - batteries. Easy to install ,locks on you battery very .Easy to DIY operate:The adapter is equipped with a switch to control the current of the battery on or off. At the same time, it is equipped with wiring terminals, which is convenient for you to connect the power cord of the device with the power cord of the adapter and better.Multi-scene use: Battery adapter has 12.5 inches of 14 gauge wire installed; You can use it to upgrade your Rc toys, Robotics DIY etc. Maximum permissible current 30A. This adapter will allow you to quickly and safely upgrade your power wheel and enjoy the beauty of DIY.Specifications:Wire specification: 14AWGSuitable for Milwauke 18V toolsTips: The red wire is connected to the terminal, and the black wire is connected to the negative terminal.When using, make the and negative wires of the device correspond to the and negative wires of the adapter.If you 't use it for a long time, please be to remove the battery form the adapter.Material: Plasticcolour: RedPackage Contents:1 x Battery adapter with built-in switch (Not include battery)3 x 30A replacement fusesOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.