Best 20,000 mAh Power Banks in India (May 2021)

With smartphones and tablets getting stuffed with large-sized batteries day by day, beefier power banks are the need of the hour. 

If you are okay with the increased heft and brick-like looks, a 20000mAh power bank will let you go a lot of miles in terms of battery life.

In this curated list of the best 20000mAh power banks, we have listed the nine best power banks available for purchase in India at an affordable budget. 

Without any further ado, let’s begin!

Best 20000mAh Power Banks in India

1. Mi Power Bank 3iOverall Best Pick
2. realme Power BankRunner-up Pick
3. Ambrane Powerlit XLCompact and Lightweight Power Bank
4. Redmi Power BankValue for Money Power Bank
5. Anker PowerCoreBest Build Quality
6. Zinq Z20KPCBest Budget Power Bank
7. Philips Universal Power PackFeature-rich Power Bank
8. Ambrane NeosCheapest 20000mAh Power Bank
9. URBN UPR203Honourable Mention

Note: The price shown are the once when we reviewed the products. However, as the promotional offers changes on the given E-commerce sites, the price may vary. Bettershark is supported by it’s readers and when you buy through links on our site, we may earn an affiliate commission.

1. Mi Power Bank 3i

Mi Power Bank 3i

Overall Best Pick

  • 18W fast charging
  • Faster Type C charging port
  • Smart power management
BUY FROM AMAZON

Pros

Solid build quality

LED battery status indication

Dual input port

Cons

Heavy and bulky

The Mi Power Bank 3i is the latest iteration of the ever-popular i series power bank lineup from Xiaomi.

Priced at just Rs.1,498, the Mi Power Bank 3i punches way above its weight when it comes to charging performance.

Design and Build Quality

Unlike some other power banks in this price segment, the Mi Power Bank 3i features an all-aluminium chassis that looks and feels classy.

The rounded corners help this power bank to be carried effortlessly inside the pant pockets and backpacks without any sharp edges poking your body.

All the I/O ports, button and the LED battery indicators are placed on the bottom section whereas the top section is left blank with just some regulatory information.

Xiaomi claims that the Mi Power Bank 3i has 12-layer internal circuitry protection to save this gadget from voltage surges and other power-related catastrophes.

Overall, the Mi Power Bank 3i is a well-built budget power bank available at an enticing price point.

Charging Speed

This power bank from Xiaomi comes with two Type-A output ports and two input ports – one of which is the modern USB Type C port and the other is a regular micro USB port.

Speaking of the three output ports, what we have here are two 18W outlets, both of which support fast charging.

Now regarding charging up the power bank, you can do it either via the type C port or the micro USB port.

With the type C port and a fast-charging brick, this power bank gets juiced up in 6-8 hours, whereas with the micro USB port, expect it to take much longer.

Features

Xiaomi has also included a smart power management feature with this power bank, with which you can reduce the power output from the 18W charging ports with a double press on the power button.

This will keep the low powered devices such as smartwatches and fitness bands from getting charged at high wattages, avoiding the chance of damage altogether.

The four LED battery status indicator is a bliss to know how much juice is remaining in the power bank to charge up other devices.

Battery

Even though the Mi Power Bank 3i has a stated capacity of 20000mAh, the actual charging capacity is roughly around 13600mAh.

You will be easily able to juice up your smartphone and other wearable devices multiple times with this power bank.

The actual charging capacity might vary according to the temperature, so keep in mind that these are approximate numbers and not definite.

Verdict

The Mi Power Bank 3i is one of the best affordable 20000mAh power banks available for purchase in the Indian market as of now.

Features such as smart power management and 12-layer circuitry protection make it stand a step above its competitors in this segment.

Specifications

Maximum Charging Speed18W
No of Output Ports3
Charging Time6-8 Hours
Weight434g

ALSO READ: Best 10,000 mAh Power Banks in India

2. realme Power Bank

Realme Power Bank

Runner-up Pick

  • 18W fast charging
  • Dual Type A and Type C power output
  • 14 layer circuit protection mechanism
BUY FROM FLIPKART

Pros

Ergonomically curved chassis

Intelligent low power mode

Multi-device fast charging

Cons

Slow charging speeds with ordinary chargers

Realme is a sub-brand of Oppo concentrating on budget and mid-range smartphones as well as accessories.

At present Realme smartphones are giving a run for their money competition to Redmi phones. 

Along with the smartphone sales, the company markets its earphones in the Indian market and most recently has introduced the power bank.

Design and Build Quality

The Realme power bank comes in really bright attractive colours. The polycarbonate body feels really strong and durable.

The skin-friendly material coating over the power bank chassis makes it comfortable to hold in hand and inside the pockets.

The edges of the chassis are curved to ensure that carrying this inside your pant pocket isn’t uncomfortable at all.

Charging Speed

The Realme power bank supports 18W fast charging, as many of the current mid-range devices ships with fast charging support out of the box.

Gone are the days where it used to take forever to charge the battery from a portable power bank.

There are three power output ports on this device – one USB Type C and the two USB Type-A ports.

Out of these, two ports can be simultaneously made use to fast charge two devices at once.

There is a 14-stage circuit protection mechanism employed to keep the batteries from heating down and eliminate voltage surges while charging.

This power bank supports low power charging mode for juicing up devices such as fitness bands and wireless earphones. This feature will limit the current and protect the sensitive circuitry inside such low powered devices. 

Charging Capacity

The Realme power bank comes with a battery capacity of 20000mAh with an actual usable capacity lingering somewhere around 13300mAh.

The batteries inside support fast charging themselves and it takes about 6-8hours to completely juice up the power bank.

Verdict

The Realme power bank is one of the best 20000mAh power banks priced very reasonably with 

18W fast charge support.

The robust build quality and the inclusion of USB type C output makes the deal even better at just Rs.1,599.

Specifications

Maximum Charging Speed18W
No of Output Ports3
Charging Time6-8 Hours
Weight495g

3. Ambrane Powerlit XL

Ambrane Powerlit XL

Compact and Lightweight Power Bank

  • 22.5W fast charging
  • Simultaneous fast charging support
  • USB Type-C port
BUY FROM AMAZON

Pros

Compact and lightweight

Rugged metal body

LED battery level indicators

Cons

Slippery metal finish

Ambrane is an Indian company popular for its affordable power banks and related charging accessories.

The Ambrane Powerlit XL is a large 20000mAh power bank from Ambrane that supports 22.5W fast charging. 

Design and Build Quality

The Powerlit XL is a compact power bank weighing around 350g, making it one of the lightest 20000mAh power banks on this list. 

The outer chassis of this power bank is constructed using metal which makes it feel quite durable and rugged. 

On the flat portion of the chassis, the four LED indicators notifies the battery status at a glance. 

The connectivity ports on this power bank from Ambrane include a USB Type-C port and two USB Type-A ports. 

Battery Capacity

As we mentioned above, the Ambrane Powerlit XL is a 20000mAh power bank. Out of this 20000mAh, expect anywhere from 12000-14000mAh available for charging up your devices. 

Ambrane claims that this battery is capable of charging a smartphone with a nominally sized battery up to three times. 

Charging Speed

The two USB Type-A ports on this affordable budget power bank can charge devices with a speed of up to 22.5W. 

The USB Type-C port is rated for 18W output and input charging. This means, not only does this port charge up the devices fast, but also can recharge the power bank relatively quickly, in under 8.5 hours.

Verdict

If you are after a compact-sized power bank with a 2000mAh capacity, the Ambrane Powerlit XL is a good choice for a budget under Rs.1,500.

Specifications

Maximum Charging Speed22.5W
No of Output Ports3
Charging Time8.5 hours
Weight350g

4. Redmi Power Bank

Redmi Powerbank

Value for Money Power Bank

  • Up to 10W fast charging
  • Two-way quick charge
  • Short circuit protection
BUY FROM AMAZON

Pros

Universal compatibility

Low power charging mode

High-quality Li-Po battery

Cons

No LED torch

Redmi is a spun off sub-brand of Xiaomi specializing in budget Android smartphones.

Recently the Redmi brand has also been focussed on releasing smartphone accessories as well, the Redmi power bank being one of the first offerings.

Battery Capacity

Equipped with a Lithium – Polymer 20000mAh battery pack, the Redmi Powerbank has an actual output capacity around 13400mAh.

The outer case is made of high-quality polycarbonate material that can withstand a couple of falls without affecting the functionality of the power bank.

Charging speed

This power bank comes with two output ports that support fast charging supplying power up to 10W.

Two-way quick charge support ensures that along with charging your device quicker, the power bank itself can be charged faster from an external power source.

The Redmi power bank features two USB type A output ports as we mentioned above and a USB type C and a micro USB input port for charging.

Surge Protection

Xiaomi has implemented various measures to protect the internal circuit from surges and
overheating of the components.

The four-stage LED battery level indicator helps you to determine the state of charge on the power bank.

Miscellaneous

The Redmi budget power bank supports 10W fast charging for the battery pack inside.

This means that if you have a compatible fast charger with you, you can juice up the power bank much quicker, in about 7-9 hours.

Similar to other power banks in the market, this one too has support for low power mode charging with gadgets such as fitness bands, smartwatches and wireless earphones.

Verdict

Since it is manufactured locally, the taxes are low and this lets Redmi price the power bank very aggressively.

Priced at just Rs.1,199, The Redmi power bank is one of the overall best power banks available right now in India.

Specifications

Maximum Charging Speed18W
No of Output Ports2
Charging Time7-9 Hours
Weight447g

5. Anker PowerCore

Anker PowerCore

Best Build Quality

  • 24W fast charging 
  • Multistage circuitry protection
  • 18-month warranty
BUY FROM AMAZON

Pros

Slim, slender form factor

LED battery status indicator

Bundled travel pouch

Cons

Expensive

Anker is a Chinese peripheral manufacturer known for its power accessories such as fast chargers and cables. 

The PowerCore series battery packs from Anker are very popular in terms of the quality of batteries used and the robust circuitry protection measures. 

Design and Build Quality 

The Anker PowerCore power banks look distinct from other 20000mAh power banks listed here in terms of their design. 

Usually, 20000mAh battery packs are bulky and compact, whereas the Anker PowerCore is elongated and relatively slim. 

This power bank has a four LED battery level indicator in the front which will give you information about the remaining battery at a glance. 

The I/O ports are located on the top section of the power bank with the power button on the side. 

The polycarbonate construction feels decent enough to be sturdy and durable for trouble-free long term usage. 

Charging Speeds

The Anker PowerCore as we mentioned is a 20000mAh battery pack. The actual charging capacity available from this power bank is approximately around 13600mAh.

This is more than enough to charge your smartphones twice over and then some. You can also charge your wearables and wireless audio peripherals multiple times with this battery pack.

The two USB Type-A ports support fast charging up to 24W. You can simultaneously charge two devices at once through these ports without fail. 

The micro USB input supports up to 10W charging and gets the battery pack inside charged completely within 7-8 hours. 

Miscellaneous 

Anker is known for employing its industry revered PowerIQ technology in its power products. 

The intelligent charging along with safe surge protection measures makes this power bank one of the reliable products available in the market. 

Verdict

If you don’t mind the relatively expensive price tag, the Anker PowerCore is one of the best 20000mAh power banks available for purchase in the Indian market right now.

Specifications

Maximum Charging Speed10W
No of Output Ports2
Charging Time7-8 Hours
Weight356g

6. Zinq Z20KPC

Zinq Z20KPC

Best Budget Power Bank

  • Large 20000mAh battery
  • One year warranty
  • Dual 12W charging output
BUY FROM AMAZON

Pros

Cheap

Dual input ports

Compatible with iOS and Android devices

Cons

Average build quality

Zinq is one of the cheapest power bank manufacturers in the country at present. 

The company offers some of the high capacity power banks at half the price at which its competitors retail for.

Design and Build Quality

The Zinq Z20KPC is a 20000 mAh box-shaped power bank that has a minimal design upfront. 

The power button on this power bank is placed on the side and the front section has a vertical LED battery status indicator for quick and easy visibility.

The quality of construction is not the best per se, but acceptable for its price and the battery capacity it offers.

Battery Capacity

The Zinq Z20KPC packs in a 20000mAh battery inside with an actual charging capacity of 13000mAh.

It can charge your Android device up to three times completely no matter how big the battery capacity is.

This power bank takes about 7-9 hours to completely charge up. The device heats up slightly while charging but it is to be expected.

Charging Speeds

This device comes with two USB Type-A ports with 12W charging capability each. While this may not be the fastest power bank out there, it can charge the devices pretty quickly.

You can either charge this power bank with a micro USB cable or a USB type C cable as it comes with dual input ports.

Surge and Overheat Protection

All the basic circuitry protection measures have been included with this power bank. There is surge protection built-in so that a sudden spike in voltage while charging won’t damage the device.

Zinq provides a generous one year warranty on this product in case anything unfortunate happens in between.

Verdict

Zinq Z20KPC is an affordable high-capacity power bank that comes with a 20000mAh capacity battery inside.

If you’re looking for a no-frills cheap power bank that is well built and has a proper surge protection mechanism to protect your precious device from unforeseen events, this is it.

Specifications

Maximum Charging Speed12W
No of Output Ports2
Charging Time7-9 Hours
Weight350g

7. Philips Universal Power Pack

Philips Universal Power Pack

Feature-rich Power Bank

  • Triple output ports
  • LED battery statistic indication
  • Dual input ports
BUY FROM FLIPKART

Pros

Reliable brand

Compact design

One year warranty

Cons

Slow charging

The Philips Universal Power Pack is a budget power bank ideal for use while travelling or camping.

This power bank has a 20000mAh battery inside to juice up your companion devices on the go.

Design and Build Quality

The design of this power bank is unique from the bland plastic-clad budget devices that we have reviewed in the past.

The Philips Universal Power Pack has a textured outer layer over the plastic, making it look like a premium fashion accessory more than a power bank. This textured finish makes it comfortable to hold and offers an excellent grip. 

The output ports and the charging ports are located on the top section whereas the power button and the LED battery indicators are positioned on the front section, facing the user. 

The quality of construction is decent for the asking price and fit and finish is on par when compared with other power banks in this segment. 

Battery Capacity

The Philips Universal Power Pack has a 20000mAh battery inside, out of which approximately 13450mAh is the actual usable charging capacity.

With the high-quality internal circuitry, Philips has managed to reduce the idle power drain with this battery pack. This means that the battery retention is now much better than the older models.

Also, during charging, the power bank automatically adjusts the input current to improve the efficiency and durability of the battery pack inside.

Charging Speeds

This device features 3 output ports to supply charge for multiple devices simultaneously. There are two 10W supply ports for quick charging and a single 5W slow charging port.

These three ports can be simultaneously used, without any significant drop in the rated charging speeds.

Verdict

If you’re in search of a good-looking budget power bank that can be used to charge multiple devices at once, the Philips Universal Power Back is a great choice.

Apart from the fact that this device is a bit bulky, the battery pack inside delivers excellent charge retention and consistent charge delivery.

Specifications

Maximum Charging Speed10W
No of Output Ports3
Charging Time10 Hours
Weight421g

8. Ambrane Neos

Ambrane Neos

Cheapest 20000mAh Power Bank

  • 10W fast charging
  • Decent build quality 
  • Compatible with iOS/Android devices
BUY FROM AMAZON

Pros

Minimal yet elegant design

Intuitive charging LED indicators

High-density Li-Po battery

Cons

Slow charging

Ambrane is one of India’s leading mobile phone accessories brands with its product portfolio ranging from power banks to earphones to smart wearables.

The Ambrane Neos is an affordable power bank incorporating a USB-C input port, which is fast becoming the standard replacing the micro-USB connectors.

Design and Build Quality

The Ambrane Neos comes with a compact and stylish form factor accentuated by the minimal yet elegant black colour scheme.

The matte finish texture over the plastic chassis makes this device less prone to accidental scratches and increases the handgrip.

The recessed power button is positioned on the top section along with four status LED indicators which act as battery level reminder.

The output and input ports are placed on the sides which is a radically different placement, different from other power banks we’ve come across.

Battery Capacity and Charging Speeds

The Ambrane Neos has a 20000mAh Li-Po battery inside for juicing up your devices on the go. 

This battery has an actual output capacity of 13300mAh available for charging external devices.

This device comes with two regular Type-A USB ports with the rated power delivery of up to 10W and a USB Type C port and regular micro USB port for charging the power bank itself.

Miscellaneous

The Ambrane Neos features a host of circuitry protection measures to ensure that the power bank doesn’t get overheated.

There is also voltage fluctuation protection built into the power bank to ensure the safety of the battery inside and the device to be charged.

Verdict

The Ambrane Neos is a very capable budget power bank priced under Rs.1000 offering a wide variety of charging options.

Thanks to its sufficient choice of port selection, this power bank can be used with virtually any kind of portable electronic gadget out there in the market.

Specifications

Maximum Charging Speed10W
No of Output Ports3
Charging Time10 Hours
Weight404g

ALSO READ: Best Power Banks in India

9. URBN UPR203

URBN UPR203

Honourable Mention

  • 18W fast charging 
  • Included Type C charging cable
  • Compact and portable design
BUY FROM AMAZON

Pros

Intelligent power control

Triple output ports

Sleek carbon fibre finish

Cons

Bulky

URBN is an Indian company active in the market with its affordable range of wireless headphones and other audio accessories.
The UPR203 is a budget 20000mAh power bank retailing in the Indian E-Commerce websites for just Rs.1,199.

Design and Build Quality

The URBN UPR203 power bank is made from high-quality hard plastic materials. URBN has given its chassis a carbon fiber finish which looks cool and striking.

The textured finish along with the light green accents on the power button and the ports makes this power bank stand out from the crowd of plain black coloured power banks in the market.

There are four LED battery indicators on the top which approximately notifies the state of charge of the batteries inside.

Weighing at 353g, the URBN UPR203 is not that heavy but the rounded form factor makes it look bulky.

Charging Speeds

There are two USB type A power output ports and a micro USB and a Type C power input port on this power bank.

The USB Type-A ports are rated to charge devices at 18W and these ports are capable of simultaneous fast charging as well. You can also charge other devices via the USB type C port.

You can charge up the power bank via the USB type C port or via the micro USB port. On average, it takes somewhere around 7-9 hours to charge up this massive 20000mAh power bank.

Miscellaneous

URBN has employed various measures to protect the internal circuitry from getting damaged with occasional voltage surges.

Even though the chassis is bulky, the URBN UPR203 is compact and can be easily carried around in the pockets and backpacks.

Verdict

The URBN UPR203 is a well-built 20000mAh power bank with 18W fast charging and 12-layer internal circuit protection to keep the power bank and the connected devices safe.

Specifications

Maximum Charging Speed18W
No of Output Ports3
Charging Time7-9 Hours
Weight353g

This concludes our list of the nine best 20000mAh power banks available for purchase in the Indian market. 

While this list is not exhaustive, we have tried our best to include the most relevant products that offer excellent value for money deals within affordable budget prices.

If you have any queries regarding this article, let us know in the comments section below. Thanks for your time and have a great day!

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