... cooler box 2.4000+12,000mAh lithium battery 3.Dual termperature LCD display 4. ... long leading time lithium battery Lightweight portable. Pocket-sized body, small fine, configuration lithium battery-powered systems, and vehicle ... real-time display; refrigeration, freezing, fans, battery power, temperature control status at a glance. Specification ... box with 16,5hours lithium battery,CE approved