High Quality 1000mAh External Battery Pack Power Bank Charger Portable Power Station Charger Simply charge this Power Pack from your PC or Wall Adapter using the provided USB Cable until it is full; then simply charge your device whenever you need power. Rechargeable Lithium-Polymer 1000mah battery pack increases energy efficiency. Great for traveling and long flight - delicate and small power storage Compact size allow easily carry in bags, pant pockets, or shirt pocket 5 LED battery indicators remaining power level.