Mountpower 6000mah Brilliant Ultra slim Polymer External Battery Portable USB Charger Power Bank Broad Compatibility, High Capacity, Fast Charging, for Iphone, Ipad, Moto, Htc, Lg, Samsung, Lenovo and Most Other Smartphones(red) We are the Manufacturer, so products sold to customers directly in stead of through middlemen Safety: products are underwritten by PING AN INSURANCE (GROUP) COMPANY OF CHINA ,LTD. Battery Type: Li-polymer battery, Li-polymer battery is more stable and safe than Li-ion battery, such as both iPad and iPhone use the safer Li-polymer battery. Equipped with 1 emergency light when you are out and 4 LED to display power 1 Year Warranty: If this power bank fails to perform as advertised, we will refund your entire purchase price or send you a replacement.