20800mAh Portable High Capacity Power Bank With 3.1A Output
3 USB Charging Ports • LED Flash Light • For Smartphones & Tablets
Provolta-21
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Charge your device on-the-go with this powerful 20800mAh lithium ion power bank:
proVolta-21. It features 3 ultra-fast USB charging ports to charge any USB chargeable device.
proVolta-21 also includes Automatic Voltage Regulation i.e. it provides an optimum output
based on the device connected. proVolta-21 is compatible with all smartphones & tablets.
Introduction
• proVolta-21 back-up battery
• USB Charging Cable
• User Guide
Packaging Contents
• Battery Capacity: 20800mAh
• Battery Type: Lithium Ion
• Input: 5V, 2A
• Output: 5V, 3.1A (max)
• Charging Time: 12 hours
Specifications
Features
• Powerful Battery: proVolta-21 features a powerful 20800mAh li-Ion power bank
• 4 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
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Precautions:
Please read all safety instructions and warnings thoroughly before using this product.
Improper use of this product may result in damage to this or attached products.
1. Do not disassemble the back-up battery or attempt to fix it.
2. Kindly use an original charging cable provided to charge the product.
3. Do not attempt to replace any part of this Back-up battery or battery inside.
4. Do not crush, puncture, dispose of in fire, short the contacts or expose the battery to
water or other liquids.
5. Do not connect input and output in reverse.
6. Do not store or use the battery in a high temperature environment, including intense
sunlight or heat.
7. Avoid drops, bumps, abrasions and impacts.
8. If there is any reason to believe that there is damage to the battery, discontinue use
immediately.
9. If you find that the battery is too hot, or is emitting an odor, or is deformed, punctured or
exhibits any suspicious or abnormal behavior, discontinue use immediately and contact our
customer service.
10. Always charge this product before extended storage.
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Appearance & Interface Description
1. Battery Level LED Indicator
2. Micro-USB Input Port
3. LED Torch
4. 2.1A USB Output Port
5. 1A USB output Ports
6. Power Button
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Checking the remaining power left in ProVolta-21 back-up battery
• In order to view the remaining power left, press the power button once and view the
Battery Level LED Indicator.
Operation Instructions
No of LED’s Ac�ve
٪ of power remaining
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<=25%
<=50% <=75%
<=100%
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• Connect one end of the Micro-USB Cable to ProVolta-21 and the other end to a
desktop/laptop or a USB Power Adapter. The Battery Level LED Indicator’s will light up
indicating that the back-up battery is charging normally.
Charging USB chargeable devices using ProVolta-21
• There are 3 USB ports available on ProVolta-21. Use the 1A output ports to charge
smartphones and the 2.1A output port to charge small tablets. Plug the USB cable into
the required USB output port on ProVolta-21 back-up battery and the other end into
the device. Press power button once to begin charging your device.
Charging ProVolta-21 back-up battery
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