Features: brand new and high quality This is not a charger, it only outputs battery voltage and power directly from your battery. When using, the positive and negative wires cannot be in contact. If adapter not be used for a long for time, please separate it from the battery. The battery connector has been tested and can be used for 20V /18VDCB series lithium-ion batteries. Including models: DCB184, DCB204 and DCB200, DCB203, DCB606, etc. Suitable for DIY high power applications. Upgrade your power wheel, RC toys, robotics, electric bicycle, bluetooth-compatible speaker and portable welder. Just move the power mount connector to the inside of the groove gently, then install the battery into the connector. The battery adapter is equipped with fixing screw holes for easy fixing with screws. Battery dock adapter locks on you battery very well. Meanwhile, battery adapter has compact size and light weight, which is easy to use and carry, will not bring you any burden. Premium material make it safe and durable. Specifications: Material:ABS Color:Yellow Size:Approx.11x8.5x5.5 for cm/4.33x3.34x2.16 inches Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Battery Converter