A non-recycled, grade A, lithium battery is just what is needed for a reliable boost of power on mobile devices. This attractive, round power bank will showcase your name while customers charge it up! The metal case has a built-in USB output and micro USB input, and the included cord is all that is needed to connect and get back in business. Charges most phones, tablets, and similar devices. Great selection of metallic colors. UL-listed; 2200 mAh lithium ion Grade A non-recycled battery. An engraved imprint in one location on the barrel is included in the price. Second side imprinting is available for an added cost. Please call for more information. Laser engraves white.Perfect for recharging most small portable devices.