1. COMPATIBLE WITH MILWAUKEE M18 BATTERIES The jump cable Charegr adapter is compatible with any milwaukee M18 batteries 18V lithiumion batteries 48111820 48111822 48111840 48111850 48111852 48111860 48111862 and more(Notice:Battery not included).Engine12V Auto Battery Booster.Engine under 3.5 Liters. 2. NEWLY D JUMP STARTER jump starter cable is designed to be compatible only for Milwaukee battery(Compatible with Milwaukee batteries).Easy to use, only need to move the power adapter into the groove, then push converter and make sure it has locked the battery.For you to drive the outdoor travel camping work protection(Battery not included). 3. EASY TO USE 1. Connect the 18V/20V battery, the green light will turn on, and connect it to the positive and negative terminals of the car battery (only applicable to cars with 12V batteries)2. When the starter light is green, start the car (or wait for 35 minutes for charging) 3. After starting the car, please remove the starter from the car battery and let the car engine continue to run. 4. After use, please remove the battery from the starter. 4.STRONG AND SAFE CLAMPS The two giant alligator clamps have strong jagged teeth and springs for excellent grip force. The jaws are strong and make connections easy. And the Jumper Cables has insulating handle to prevent electric shock and protect the of users