NOCO GB20 Genius Boost Jump Starter. Ultrasafe Lithium Jump Starter. Includes 40" USB to Micro USB Cable, Needle-Nose Battery Clamps & Microfiber storage bag. Reinventing Jump Starting. The GB20 is a portable, mini, pocket sized lithium-ion jump starter for 12-volt lead-acid batteries. It can safely jump start a dead battery in seconds, like on a lawn mower, car, boat, motorcycle, ATV, RV,truck and more. The GB20 is powered by a High-Density NOCO Element lithium-ion battery that can hold its charge up to one year, and handle over 1,000 cycles. Ultra-Bright Dual LED Flashlight With 7 Modes, including SOS and Emergency Strobe. USB Power. Recharge virtually any USB device, including Smartphones and tablets. Noco Since 1914.