Thunder Power Bank Series 10000 mAh10,000 mAh = 5 Charges Thunder Power Bank TR 060 is the latest addition to our flagship Thunder Power Bank Series. With its 10,000 mAh battery, the Power Bank holds enough capacity to energize general cell phones up to 5 times. Dual USB Ports The Power Bank's dual ports permit synchronous charging of two eager for power cell phones. Forget bickering over who gets to charge their device first and relieve yourself of undue stress. High Class Polymer