... mobile fridge,equiping with 16,5hours long leading time backup lithium battery,excellent cooling performance maintains inside temperature at 2~8 ... for details);Super Capacity Battery:4000+12,000mAh super capacity lithium battery, Fireproof surface, Ultrasonic encapsulation, Multiple put filling protection, ... delay foe for the Off key and the Set key, ion, they work only by pressing for a long time. And ...