Fangrui Product Details Step-down Converter: Input Voltage: Dc 18v-20v; Output Voltage: Dc 12v; Output Current: 20a Max; Output Power 240w Max. Built In Over Low Voltage Protection, Auto Shut Off If The Battery Voltage Is Lower Than 14.4v, Protect Your Battery And 12v Devices Compatibility: Perfectly Compatible For Milwaukee M18 Battery 18v Lithium Batteries, Works With 48-11-1815, 48-11-1850, 48-11-1820, 48-11-1840, 48-11-1815 Etc. Our Battery Adapter Connector Is Well-design, Snugly Fit Your Battery, Easy To Install And Remove Better Safety: Voltage Regulator Built-in Smart Chip, Features Over-current, Over-voltage, Under-voltage, Over-load, Low-load, Short-circuit, Over-heat Multiple Intelligent Protection, Protect Your Devices From Overpower Damage. Battery Adapter Also Have Added Fuse Holder And 30a Fuse Ensures You Can Use It Safely Easy To Use: We Combine The Battery Adapter And The Voltage Converter With 2 Heat-resistant Wires & Fuse Holder, Make It More Easy To Use, Just Install The Battery To The Battery Adapter And Then Connect The Voltage Converter To Your Device. (note: Battery Not Included) Widely Applicable: This Step Down Converter Suitable For Various 12v Devices, For Upgrade Power Tools, Ride On Toys, Golf Carts, Car Trucks, Speaker, Monitoring Equipment, , Led Strip Light, Work Lights Or Robotics Diy Etc. Colour:red Material:plastic Package Contents: 1 X Step Down Converter 1 X Power Wheels Battery Adapter 1 X Terminal 3 X 30a Fuse 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.