BLU Studio 5.0 II Battery, BoxWave [Rejuva Power Pack Brite] LED Flashlight/Power Bank for BLU Studio 5.0 II - Lunar Blue 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.