Anker PowerCore 13000 Power Bank - Black The compact super-high-capacity portable charger. From Anker, America's leading USB charging brand - Faster and safer charging with our advanced technology. - 20 million and more happy users and counting. Super-High Capacity Enough power to keep you going for days. Charge an iPhone 6s almost 5 times, a Galaxy S6 3 and half times or an iPad Air 2 once. High-Speed Charging Technology PowerIQ ensures intelligent high-speed charging for all your devices and VoltageBoost prevents cable resistance from slowing your charging speeds. MultiProtect Safety System Surge protection, short circuit protection and more advanced safety features keep you and your devices safe. Matte Finish Enhances grip and prevents smudges and fingerprints. Worry-Free Warranty At Anker, we believe in our products. That's why we back them all with an 18-month warranty and provide friendly, easy-to-reach support.