High capacity 16800mAh with high power polymer battery is adopted for fast charging‎.‎ It can support an emergency jump start and entirely replace the included battery for a car startup‎.‎ It also supports general cellular phones/laptops charging and completely replaces products similar to mobile power banks‎.‎ With true powerful flashlight ‎,‎ four‎-function switch‎-over‎,‎ emergency rescue‎,‎ signaling ‎,‎ lighting‎,‎ deterrence‎,‎ defense and other powerful features‎.‎ It is the ideal choice for night shift workers‎,‎ overtime workers and many others‎.‎LCD display indicate battery status‎,‎ real‎-time recharging reminders‎,‎ automatic shutdown under no‎-load condition‎.‎ Over‎-current protects the device from overload‎,‎ making it more convenient‎,‎ safer and more energy‎-efficient‎.‎