1、[Convenient Connector] This battery adapter is equipped with wire harness connector, convenient for connection. 12AWG thick copper wire increases conductivity and safety, allowing for safe use of high currents on equipment. 2、[Safety Fuse Holder] The battery adapter is also equipped with fuse holder and 40A fuse, can prevent excessive transient current from damaging the battery and equipment. 3、[Additional Power Supply] The battery adapter adds an additional power supply solution without changing the existing circuit, allowing you to choose the appropriate power supply method according to your own situation. 4、[Versatile Use] For outdoor use, you can choose this adapter and a suitable battery to power it. If you are not far from home, you can remove the wire harness connector and use the original method of power supply. Suitable for remote control toys, robots, riding toys, etc. 5、[Wide Compatibility] Compatible with for BL1860, BL1850, BL1840, BL1830, BL1820, BL1815, LXT 400, 194205 3, 194204 5, BL1820B, BL1830B, BL1830B 2, BL1850 2, BL1850B, BL1850B 2, etc. 18V lithium ion batteries. 6、[Premium Material] Made from ABS plastic, this 18V battery adapter has excellent impact resistance, damp resistance, and erosion resistance, ensuring durability.