Equipped with Cell ID Chipset technology, the Power Bank 4000 automatically recognizes connected devices and adjusts power output for the quickest charge time. Capable of charging most modern smartphones in just 90 minutes, the Power Bank 4000 features a bright LED power indicator, perfect for identifying at a glance how much power remains in the device. Compact and lightweight, this emergency charger slips easily into a jacket or coat pocket.
Comes with Micro USB charging cable.
Why we love it:
This small but mighty power bank has 4000mAh capacity back-up power supply. It can be used for charging mobile phones and tablets as long as one has a USB cord. It has a built-in automatic device detection and LED power level indicator.