... overall length and 1” in diameter). Long standby time inside and outside battery.External battery (5000-10000mah), internal battery (2300mah), extremely strong ... , Power saturated, safe using.Suitable for storage of medicines:1. Biological drug-Albumin, HBIG, vaccine Etc.2. Insulin-RI ... Cephalosporin, MMC Etc.6. Serum Preparation, thrombin, Reptilase Etc. battery powered portable medical cooler box