10 Best 20000 mah Power Bank in India with Buying Guide

In an era of smart devices, the various devices like a smartphone, smartwatch, speakers, earphones, we always require a power outlet to recharge. And we don’t always find a power outlet nearby. We may be traveling by bus or walking or on vacation somewhere where no power is available. In such times a power bank comes handy.

As mentioned earlier, various gadgets need to be recharged, and hence a power bank with large capacity is required. People can’t live without use smartphones. You want to use smartphones without worry about charging status; then, Power bank is the best option. And what if you’re in the market for wireless solar or even graphene power banks. Do they work? Well, in this article, you know about the best 20000 mah power bank in India.

Best 20,000 mah Power Bank In India

1) Mi 20000mAH Power Bank 2i

Mi 20000mAH Li-Polymer Power Bank 2i (Black) with 18W Fast Charging

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The all-new design Mi 20000 mah Power Bank 2i is one of the best power banks in India. It’s a portable powerhouse that comes with two-way fast charging support and offers fast charging support for up to 18W that ensures that your devices charge quickly, and you can be on the move.

This 20000 mAh power bank is super slim and lightweight; you can slide this power bank inside your bag and take it out when you need to charge. The power bank comes with nine layers of circuit chip protection and also upgrades the charging efficiency.


  • 3.0 fast-charging supported
  • Option to choose Fast and slow charging mode
  • Intelligent power output with 9 level protection
  • Brilliant adjustable power output detects device input capacity


  • Fast charging works in a single port only.

2) URBN 20000 mAh Power Bank

URBN 20000 mAh Li-Polymer Ultra Compact Power Bank | 12W Fast Charge | Dual USB Output | Type C & Micro Input (Blue)

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If you are a travel bug and hardcore traveler, then this Urbn power bank is your ideal travel partner. It comes with a high-capacity 20000mah lithium-polymer battery that optimally charges your devices.

Moreover, it comes with a soft-touch finish design that gives the Power Bank its premium look and makes it easy to hold. Furthermore, you can track the power bank’s power status with the help of LED indicator lights. Supports fast charging With its 2.1 Amp fast charge feature, avoid staying plugged in for hours on end.


  • Support Fast Charging
  • Comes with Micro, Type-C Connector
  • Dual USB Port
  • Comes with LED Indicator


  • Not super slim power bank

3) HYUNDAI Metal Design Power Bank

HYUNDAI 20000 mAh Li- Polymer Metal Design Power Bank, 2.1A Dual Inputs (Type C + Micro USB) and 2.1A Dual Outputs (USB + Type C) for All Android and iOS - HY-PB-1010 Blue

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This Hyundai power bank is the power bank for when you are out and about a lot, and you have all your electronics with you. Whether you are on the train, plane, taxi, bus, or beach, you have enough energy to work quietly with this power bank.

The all-new 20000mAh HYUNDAI Power Bank ensures that your devices charge quickly, and you are good to go. The power bank comes with two-way fast charging features with Dual-port input and Dual USB output without compromising on size and quality.


  • Over & Under Voltage Protection
  • Temperature Resistance
  • Sleek and Stylish Aluminum casing


  • Very heavy in weight

4) Syska Power Pro200 Power Bank

Syska 20000 mAh Li-Polymer Power Pro200 Power Bank (White)

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Syska presents this massive capacity power bank called Power Pro 200. The intelligent power management solution helps it to enhance the life of your device. It keeps it away from getting damaged, which makes this highly efficient compared to any other power bank.

This powerful power bank helps you avoid over-charging, over-discharging, or even short circuits by consisting of proper IC protection. This power bank allows you to charge two devices simultaneously by its 2 USB ports.


  • IC protection
  • Automatic hibernation mode
  • Dual USB Port.


  • Fast charging not supported

5) Lapguard LG803 20800mAh Power Bank

Lapguard 20800 mAh Lithium Ion Power Bank LG803 (White-Green)

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The Lapguard LG803 Power Bank will keep you powered during all those crucial moments when you need it the most. You will never run out of battery with this portable power bank with 20800mAH Lithium-Ion by Lapguard. Comes with smart power manage IC supports over-charged, over-discharged, over-voltage, over-current, and short circuit protection.

This power bank comes with 4 LED indicators displaying battery percentage and charging status. The power bank has 3 USB type output ports. This lets you charge multiple devices simultaneously and also equipped with a flashlight. It makes it a must-have in emergencies and enhances the practical value of this power bank.


  • A triple USB output port
  • Inbuilt flashlight
  • 3 USB Output Ports


  • Fast charging not supported

6) Redmi 20000mAh Power Bank

Redmi 20000mAh Lithium Polymer Power Bank, USB Type C and Micro USB Ports, 18W Fast Charging, Low Power Mode, (Black)

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Redmi 20000mah power bank is crafted using high-quality material. It comes with an anti-slip edge texture with a Li-Polymer battery that provides better efficiency than a Li-ion battery. It supports 18W fast charging so both ways, even while charging the power bank and even when you charge the smart devices.

It comes with advanced durability with 12 Layer Advanced Circuit Chip Protection that enhances charging efficiency. This can be charged by both Type C & Micro USB cable. This power can Charge the low power devices safely by double-pressing the power button for a 2-hr low power charge.


  • 12 Layer Advanced Circuit Chip Protection
  • Li-Polymer Battery
  • 2 Way 18W Fast Charging


  • Very heavy in weight

7) Ambrane 20000mAh Powerbank

Ambrane 20000 mAh lithium_polymer Neos Power Bank Fast Charging, Black

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Ambrane Neos power bank consists of a high capacity battery of 20000mAh so that you never cease the chase. The power bank is scratches and marks resistance by using strong ABS plastic material, an outer body. It has dual USB ports.

The power bank is protected against temperature resistance, short circuit, input and output over-voltage, incorrect insertion, overcharge, and over-discharge by an integrated circuit that has nine layers of protection. You can just touch to turn on the power bank to know the battery status because it has a feather touch button.


  • Nine layer protection of the integrated circuit
  • Feather-touch button
  • Fast charging support


  • Very heavy

8) Mi Power Bank 3i

MI Power Bank 3i 20000mAh Lithium Polymer 18W Fast PD Charging | Input- Type C and Micro USB| Triple Output | Sandstone Black

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The 20000mAh Mi Power Bank 3i is one of the latest among all the portable power bank. It comes with an 18W fast charging feature that ensures more rapid charging of all devices. It features triple output and dual Input port without compromising on the size and quality. This power bank supports unbroken power delivery and offers advanced 12 layers of chip protection.

It has an advanced power management feature that enables you to change some of the low power devices like Bluetooth handset and fitness bands. This power bank contains an advanced resistance-capacitance sensor; the lithium polymer batteries become safer and improve the charging conversion rates.


  • Triple Port Output
  • 12 layers of circuit protection
  • Smart power management


  • Little heavy

9) Vaku Powerbank 20000mAh

Ambrane 20000mAh Li-Polymer Powerbank with Fast Charging & Compact Size (Neos, Midnight Green)

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This 20000mAh power bank from Vaku has the potential to charge the average Smartphone at least 4 to 6 times. This power bank comes with superior finishing with an LED battery level indicator. You get a smart digital screen so that you never guess the remaining power. This power bank has two USB output and Two inputs.

Also, you can fast charge the two devices simultaneously by its dual 3A results. It intercepts short circuits, current and voltage overloads, and overheating by intelligent multi-protection circuits of this power bank.


  • LED Display
  • Overcharging and discharging protection
  • Prolonged battery life


  • Could not find any adverse in this battery

10) Portronics Indo 20D POR-294

Portronics Indo 20D POR-294 20000mAH Lithium Polymer Power Bank (Black)

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This Portronics Indo 20D slim power bank with a 20000mAh battery capacity and is built using lithium polymer cells. It has both a micro USB and type-C charging options. One of the major differentiators of this power bank is its built-in digital display to inform you of how much juice is left in this battery bank.

This power bank’s safety feature ensures from short circuits, current and voltage overload protection, protection against overheating, and wrong insertion. The quality standards of this power bank get further confirm by the BIS certifications.


  • LED light display
  • 6 level protection
  • 1-year warranty


  • Little Heavy

Buying Guide for Best 20000mah Power Bank

A power bank is the most useful gadget. You can charge your mobile anywhere whenever you see your mobile battery is going to die. You must have all the details about power banks before buying a power bank and their specifications.

Below we have discussed the aspects that we must keep in mind when buying a Power bank:


First of all, you must decide on a budget in your mind and then look at all the specifications in this budget. If you have a high budget, you can choose a high battery capacity power bank, and if your budget is low, you can choose a low battery capacity power bank.

Battery Capacity

Power banks are available with various battery capacity, and more battery capacity power banks are heavy and big, less battery capacity power banks are lightweight, so it depends on your battery use.

Outer Body

Various power banks are slim and compact, but they come with smaller battery capacity, and many other power banks are thick and heavy with higher battery capacity. If you want a slim and stylish power bank, you can go for smaller battery capacity power banks. If you have no design issue and want more battery capacity, you can go for higher battery capacity power banks.

Power Output

Usually, power banks’ power output is 5V/2A but in many power banks, fast charging available. You can go for a fast-charging power bank if your Smartphone supports fast charging then.

The Number of Ports

Generally, power banks come with 1 or 2 USB output ports. Single USB output power banks are enough if you want a power bank for single device recharging, but 2 and 3 USB output power banks can charge more than two devices at the same time.

Battery Type

Power banks come with two types of the battery; lithium-ion battery and lithium polymer battery. Lithium-ion batteries are inexpensive than lithium-polymer, but these batteries are suffering from aging. Lithium polymer batteries are expensive than a lithium-polymer battery, and it doesn’t have any type of aging issue. So if your budget is high, then you must choose a lithium-polymer battery type power bank.

Frequently Asked Questions

1) How long will a 20000 mAh battery last?

20,000 mAh can last for seven charges if you charge an iPhone 6 plus, which has a battery of 2915 mAh approx seven times. Just Divide the power bank battery mAh with smartphone battery mAh.

2) Is a 20000mAh power bank allowed in flight?

The power bank should only be carried in hand, not in check-in Luggage. The airport authority will ask you to remove it from your luggage if you do so.

3) How much time it takes to charge a power bank with a 20000 mAh Battery?

It takes somewhere around 8 hours to 13 hours to charge a power bank with a battery capacity of 20000 mAh. Neither less to say, with fast charging, there are some power banks in the market that can easily fill up under 6 hours as well. But, such premium features also comes with a premium price tag as well.

4) When to use a power bank?

Power banks are portable batteries, so people use power banks to charge their phones or other devices when you face low battery issues and no need to put off the phone in one place because you can carry it along with the power bank. So, make sure to choose your power bank likewise, if you are someone who is constantly in the need of charging their phone.

5) What are the Different Types of Power Bank?

You find three different types of power banks in the market. As far as the purpose of power banks is concerned, they all are the same. Among other devices, they all have a power circuit that runs power flow. But the difference between them is in the process of how they are recharged. The three types are:

  • Old Style Battery Case
  • Universal Power Bank
  • Solar Power Bank

Final Takeaway

Having lots of choices confuse us, but it’s good that we get to see different technology upgrade in different gadgets. In recent time power bank has become a necessity for a traveller, especially who commute on a regular basis. Well, you are putting money for something that you are not going to regret later, so you should keep that in mind.

So, you can buy today these best power banks in India. So, go through them once, and buy the one that suits you the most right through before the stocks end. Once you get everything right, you are always good to go.

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