Feature: Better security: The adapter is equipped with a fuse and high-quality cable to prevent excessive transient current from damaging the battery and equipment. Perfectly compatible : work with for 20V /18V DCB206 Li-ion batteries. Made of high quality material,durable and safety to use. Adapter has 14 gauge wire installed,ready for high power applications. Easy to install ,locks on you battery very well. Portable design,convenient to carry and easy to use. Tips: The red wire is connected to the positive terminal, and the black wire is connected to the negative terminal. When using, make sure that the positive and negative wires of the device correspond to the positive and negative wires of the adapter. Color: yellow material: plastic Package Contents: 1 x Adapter ( battery not included ) Only the above package content, other products are not included. Note: Light reflection 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.