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 devicesCompatibility: Perfectly compatible for 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 removeBetter 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 safelyEasy to Use: We combine the battery adapter and the voltage converter with 2 heat-resistant wires & fuse holder, 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 converter suitable for various 12v devices, Perfect for upgrade power tools, ride on toys, golf carts, car trucks, speaker, monitoring equipment, , led strip light, work lights or robotics DIY etc.Colour:redMaterial:plasticPackage Contents:1 x Converter1 Wheels Battery Adapter1 x terminal3 x 30A FuseOnly 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.