Make your company known to the world with this 2200 mAh aluminum portable power banks. It comes packed with a high-power efficiency battery, weighs 80 grams and charges with the included USB cables. Just plug the portable power banks into your smartphone and use the switch button to turn it on and see the indicator light. These power banks battery chargers are available in various anodized colors, it measures 3 3/4" L x 7/8" W x 7/8" H and has multiple imprint areas with the following measurements: 2 7/16" L x 1/2" W (front and back), 3 3/8" L x 1/2" W (side) and 9/16" L x 9/16" W (bottom). Add your logo using any of our imprint methods and engage with your customers in a whole new way!