Promotional Power Bank, Dunning Solar 4000mAh Power Bank - UL Certified, Use your Dunning Solar 4000mAh Power Bank by plugging it directly into the wall or let the sun do all the work while being eco-friendly! Precision spot color or full-color decoration with the industry's very best technology technologies used on name brands such as Apple Airpods and Amazon Echo Dot devices. UL certified Lithium-Polymer battery Charge 20-30% of your iPhone from a 7-8hr solar charge for emergency purposes or use the 4000mAh battery to charge your devices even quicker. Solid aluminum casing gives your Dunning Solar Power Bank a high-end look and feel. Includes (1x) Micro USB charging cable and a user's guide Standard white box, charging cables, user manual Eco-Friendly Specifications: UL certified battery. Power output: 5 V/2X 1.0A. Power input: 5 V 1 A. Capacity: 4000mAh Material: ABS. ... #PWB058 $12.56/each.