mobile power bank 1.charging kinds of digital products 2.Lithium-ion ... yellow, silver, black white color are available; Long life cycling time more than 500 times Large Logo printing position, logo printing ... + Aluminum Operating Temperature: -10-40 Storing Temperature: -20-50 Time to be full charge 5-6 hours Temperature of the ... , business trip, outages, Camping & Hiking etc. Newest mobile power bank