4000mAh capacity back-up power supply

Ideal for charging mobiles & tablets

Fully charges a smartphone in 1.5 hours (Charge time may vary depending on model)

Automatic device detection

LED power level indicator

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.