<ul> <li> Press the power button and make sure jump starter is over 50% charged</li> <li>Connect red clamp to&quot;+&quot; port and black clamp to&quot;-&quot;port of car battery</li> <li>Start your car when jumping cable indicator light turns green</li> <li>Once engine was started, please disconnect the cables from the jump starter first, and then from the car battery</li> <li><b>For Optimal Use<br /></b></li> <li>Make sure the clips are connected to the battery poles correctly, otherwise the reverse polarity protection will disable the Jump Starter</li> <li>Charge battery at least once every 3 months to avoid shortening its lifespan</li> <li>Recharge your vehicle's battery as soon as possible after jump start</li> <li> To avoid injury and/or damage to your vehicle, do not connect the red and black clamps together.</li> <li><b>What You Get</b></li> <li>1 x BESTEK Multi-Functional Car Jump Starter</li> <li>1 x 15V Wall Charger</li> <li>1 x 12V Car Charger</li> <li>1 x USB Cable</li> <li>1 x Smart Clamps</li> <li>1 x User Manual</li> </ul>