1,[Compatible with Dewalt 20V Battery]: compatible with Dewalt 20V Battery DCB200 DCB201 DCB203 DCB204 DCB206, 60V Batteries DCB606 DCB609. [Newly Upgraded MAKBOS Jump Starter]: The starter adapter has a system to avoid short-circuit settings, the shorter the line the safer, rest assured that use!The longer the cable, the higher the R, and the risk of short circuit. 2,when the starter light is green, start the car (or wait for charging for about 3-5 minutes).① connected to the battery green light is flashing: charging; ② red light is flashing: the battery power is not enough, please replace the battery;③ red and green light is on: connected to the battery positive and negative connection reversed 3,After the car starts, please remove the starter from the car battery, let the car engine continue to run, after using, please remove the battery from the starter. 4,[Newly Upgraded MAKBOS Jump Starter]: The starter adapter has a system to avoid short-circuit settings, the shorter the line the safer, rest assured that use!The longer the cable, the higher the R, and the risk of short circuit. Car Jump Starters Adapter for DeWalt 20V 60V with Batteries Jumper Cables,11 Gauge Car Battery Jump Starter, Heavy Duty Automotive Booster Cables for Jump Starting Dead or Weak Batteries,Car Jump Starters Adapter Compatible with DeWalt 20V MAX Batteries with 11AWG Jump kit Cable for use with Trucks, SUVs, Full-Size Cars, mid-Size Cars and Small Compact Cars Vehicles