The Ventev PowerCell Rechargeable 5200mAh Portable Single USB Backup Battery Power Bank. Gray bank color.

Features:
- 5200 mAh lithium-ion battery
- Charges your device up to 2x
- Rechargeable and reusable
- Compact and portable
- LED Indicator easily shows battery life
- Micro-USB input
- 2.1-Amp USB Output
- 6-inch micro-USB charge cable included