Custom Power Bank, Montclare Executive 2200mAh Power Bank - Aluminum & UL Certified, Montclare Executive 2200mAh Power Bank is the best selling power bank for your daily promotions. It was sturdily built with a solid precision aluminum case, quality electronic components, and a UL certified Lithium Ion battery inside. It is our most affordable power bank and works perfectly for any mass marketing campaigns and events! Capacity: 2200 mAh . Output: 5V~1000mA . Input: 5V-1000 mA (UL battery version) . Unit weight: 75g/2.7oz. Material: Aluminium cube + ABS components. ... #PWB001LA $9.27/each.