Lenovo PA13000 13000 mAh Portable Charger External Battery Power Bank (White) Portable ergonomic comfort; High-grade matte plastic exterior Dual USB output and support for two phone charger Power light display, soft light and clear display; Intelligent power control chip and high conversion rate Battery power is stored for a long dormant technology, 13000mAH power backup Connector type - Input: micro USB 5V/2A, Output: USB2.0 A 5V/2.1A and 5V/1A