Nokia Lumia 525 Power Bank, BoxWave [Rejuva Power Pack Brite] - Built In LED Flashlight, Backup Battery Power Bank for Nokia Lumia 525 (Jet Black) 2600 mAh battery USB charger with LED flashlight Fully recharge most standard smartphones with a single charge Lightweight aluminum construction Ultra-portable - take it with you anywhere you go Suitable for camping, hiking and outdoor activities, etc.