... fanMaterialABS MaterialTest marksUL Approved electronics, CE mini fridge for drugs Features Lightness and elegantMini outlook, small size, ... and 1” in diameter). Long standby time inside and outside battery.External battery (5000-10000mah), internal battery (2300mah), ... repeatedly charging and discharging, Power saturated, safe using.Suitable for storage of medicines:1. Biological drug-Albumin, HBIG, ...