UL Certified Power Bank
With this 4000 mAh UL-certified power bank, you can carry spare power with you wherever you go! This handy accessory is available in several colors, measures 3 1/2" x 1 3/4" x 1" and features a lithium-polymer battery packed in a durable stylish ABS casing with a PC shell. It has a level lighted display on the front and comes with a USB connector cable to charge from any USB port. Customize with an imprint of your company logo and message for increased brand exposure. Customers will think of your brand whenever they need a charge!