Draper 13687 Schumacher® PBI1812 12V Booster, 700CA - Draper 13749, These compact Schumacher lithium jump starters and power bank are designed for on-the-go charging. Their advanced 16V 4-cell lithium technology provides superior starting performance for jump-starting 12V dead batteries. The Pre-Boost technology pre-charges deeply discharged batteries, and the Pre-heat mode warms the battery for optimal starting in low temperatures. The built-in flashlight offers flashing and SOS modes for emergency use. There is an easy to read LCD screen. In addition to jump-starting cars, the units function as a powerful battery pack offering wireless charging for Qi compatible devices and a USB-C output for charging mobile devices. For safety, the units protect against reverse polarity, short circuit, low voltage, high temperature and reverse charging. Includes a smart cable with battery clamps, USB-C charging cable and storage case. Draper 13749 Schumacher® SL471 12V Lithium Booster and Power Bank