A power bank is a must-have mobile accessory nowadays. The best power bank is that which is portable, slim, fast charging, and at a cheap price.
Today, I will suggest you 5 best power banks for mobile (Android or iPhone) that you should buy in the Amazon’s Great Indian Festival Sale.
Why buy now? These power banks are at the lowest prices ever, so grab them without having second thought before they become out of stock.

Mi Power Bank 3i |
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Syska 10000 mAh Li-Polymer Power Bank |
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Ambrane 10000mAh Li-Polymer Power bank |
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iBall Portable Power Bank |
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Gionee Digital Display Power Bank |
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1. Mi Power Bank 3i

You have to admit that Mi has produced the best in class power banks from the beginning that excels in portability, performance, design, and price. The latest Mi Power bank 3i comes with:
- 18W fast charging
- Dual input and output ports
- 10000 mAh or 20000 mAh options
- Advanced 12 Layer chip protection
- Smart power management
- Micro-USB and Type C input port
- 6 months of domestic warranty
- Weighs only 251 grams (lite-weight)
These outstanding specs at a discounted price make it a must-buy deal.
2. Syska 10000 mAh Li-Polymer Power Bank

Syska is a popular and oldest technology brand to make the best and durable power banks. This power bank by Syska is one of the best power banks available online at a very cheap price. Key Specs are:
- Dual Output: Double USB Output DC5V |2.4A
- Dual Input: Micro USB | USB Type C Port
- Made of ABS Plastic | Weight 200 gm
- Input: 5V x 2A | Charging time: Approx 5 to 6 hours
- Made in India | 6 Months Warranty
Syska power bank is a portable and slim power bank at very cheap price.
3. Ambrane 10000mAh Li-Polymer Power bank

Ambrane is known for its best in class power bank and other accessories. This power bank is compact, slim, and the most lightweight 10000 mAh power bank on the list.
- Dual USB port output at 5V/2.4A
- 9 layer of advanced protection
- Item Weight:- 188.7 gms
- Full recharge: 5 to 7 hours with 2A wall charger
- Portable ergonomic design with hard ABS Plastic exterior
- 180 days warranty
4. iBall Portable Power Bank, iB-10000M QCPD, Dual USB Output

This fast-charging, portable, and slim power bank is a great choice that will be available at a discount on Amazon’s Great Indian Festival sale. It packs with:
- Output: 5V:3A, 9V:2A, 12V:1.5A
- Dual USB and Type C input
- Weight: 263g | Body: Metal
- Warranty: 1 year
- Charging time: Approx 6-7 Hours with standard 5V x 2A Charger. With standard QC Charger in 2hrs
- Made in India
It’s a great alternative to Mi power bank at a very low price.
5. Gionee 10000mAh Li-Polymer Digital Display Power Bank

The main feature of this power bank by Gionee is that it features a digital display which shows the amount of power left in the power bank. Other key features are:
- Dual Output Ports: 5V | 2.4A and 5V | 1A, 12W Fast Charge
- Body Material: Metal Frame | Item Weight: 240 grams
- Input 5V ~2 A and Charging time: Approx. 5.5 hours
- Included in the box: 1 Micro USB Cable, 1 User Manual, 1 Warranty Card
- 6 Months Warranty