Vpdam UU Box Charger. A portable charger that has a battery storage capacity of 1200mAh and can fit easily in your pocket. The UU Box power bank can hold 3 Ju-ul pods and 1 Ju-ul Vape Device to keep your Ju-ul vape products clean and protected from damage and dirt. On a full charge, the UU Box can fully recharge your Ju-ul device up to 3 times. Simply, charge up your UU Box power bank, place your Ju-ul device inside and watch it start charging immediately.