20800mAh Portable High Capacity Power Bank with 3.1A Output

• Powerful Battery: proVolta-21 features a powerful 20800mAh li-Ion power bank
• 3 Ultra-Fast USB Ports: Charge your devices via any of the 3 ultra-fast USB charging port
• Lightweight & Portable: proVolta-21 compact and easy to carry around
• Automatic Voltage Regulation: proVolta-21 features Automatic Voltage Regulation i.e. it provides an optimum output based on the device connected.
• Charge Three Devices: With proVolta-21, charge three devices simultaneously
• Compatibility: proVolta-21 is compatible with all devices supporting USB charging
• Safe & Reliable: proVolta-21 features short-circuit & over-charging protection