Stay powered up with the Slim 4000mAh Metal Power Bank, designed to keep your devices charged on the go. Available in two sleek colors, black and silver, it features four LED indicators to track battery levels and a durable metal casing for a premium feel. Customize it with silk-screen or laser engravings for a personal touch. Universally compatible with smartphones, tablets, cameras, and more, it includes a reliable Li-Polymer rechargeable battery. Specifications: 4000mAh capacity, Input: 5V-1A, Output: 5V-1A.
