Carry an extra day and a half of battery life for most mobile phones in the palm of your hand. A 5000 mAh portable power bank with wireless charging function, micro-USB input and USB-A output. Simultaneous charging of two devices, one wireless, and one plugged in supported. Li-ion polymer battery designed to protect the circuit from over-voltage, over-charge, over-current, and short circuits. Power Bank Features: • Qi certified • Wireless Qi compatible output • USB-A output charging port • Reinforced suction-cups • Over voltage protection • Over charge protection • Over current protection • Short circuit protection • LED indicator