eBags Lifeboat Quick Charge Portable Battery (9000mAh) Anodized Aluminum This item is unable to ship to AK and HI due air cargo restrictions on all lithium batteries Super-slim design stores easily in any type of bag or pack - Enough stored power to recharge any device. Never be without power again 9000 mAh capacity at 3.7V(33.3Wh) Ultra-slim Lithium-Polymer battery Dual USB ports deliver a combined 2.4A maximum output to charge your devices more than 90% output efficiency