GOOLOO Jump Starter Portable Charger Essential and versatile power for your car, phone and tablet. A Real Life Saver Make sure you and your loved ones can get home when stranded. This will jump your 3.5L gas vehicle engine around 20 times on a single charge. Advanced Safety We’ve taken safety to another level, protecting you and your devices against surges and short circuits, as well as inverse current. Powerful USB Ports Whether for emergencies or everyday use, charge multiple phones, tablets and other USB-charged devices. Warranty At GOOLOO, we believe in our products. That’s why we back them all with an 18-month warranty and provide friendly, easy-to-reach support. For Optimal Use: Charge battery at least once every 3 months to avoid shortening its lifespan. Recharge your vehicle’s battery as soon as possible after jump starting. ATTENTION To avoid injury and/or damage to your vehicle, do not connect the red and black clamps together. Remove battery within 30 seconds of starting your car. Keep out of reach of children.