The Cellet 2000mAh Power Bank Portable Charger is the perfect charging solution when an electrical outlet is out of reach. Compact and portable, this rechargeable power bank is built with a micro USB port for charging via computer or wall adapter. Equipped with a universal USB port, you can use your personal USB cable (OEM or certified third party) to charge your device your Android or Apple device. Its sleek, mini design is ideal for traveling as a back-up power source. Please note: depending on the size of your battery, this power bank is designed to provide at least 35 percent or more battery power.