Widely Applicable: This step down converter suitable for various 12V devices, ideal for upgrade power tools, ride on toys, golf carts, car trucks, speaker, monitoring equipment, led strip light, work lights or robotics DIY etc. If you have any questions, please feel free to consult usStep-down Converter: Input Voltage: DC 18V-20V; Output Voltage: DC 12V; Output Current: 20A Max; Output Power 240W MaxBetter Safety: Voltage regulator built-in smart chip, features Over-current, Over-voltage, Over-load, Short-circuit 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, 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)Compatibility: Perfectly compatible with Dewalt 18V/20V lithium batteries, works with DCB205 DCB206 DCB204 DCB203 DCB200 DCB201 etc. Our battery adapter connector is well-design, snugly fit your battery, easy to install and remove