Features: Maximizes your 18V/21V battery versatility with this high compatibility discharge adapter, featuring 30 A fuse protections for overloads and short circuits prevention. Engineered with durability ABS and metal components, this lightweight adapter delivers stable voltages output while resisting wear and environmental stressors. Ideal for professionals, DIY enthusiasts, and outdoor adventurers seek reliable power solution for 18V/21V Batteries BL183 BL1430 BL1860. Power LED worklights, portable fan, or emergency gear at job sites, workshops, or remote locations using your existing battery pack. Expand your battery’s utility effortlessly—plug and play design ensures quick connectivities for small appliances, camping gear, and power tool accessories. Specifications: Component: ABS, Metal Line length:Approx.25cm/9.84inch Safety protections: Fuse 30 a for 18V/21V Batteries BL183 BL1430 BL1860 Applicable scenario:Outdoor Activity: Package Includes: 1pc 18V/21V Ethernet Port Output Adapter 1pc Quick Connector 3pcs 30 a Fuse note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.