Best 20,000mAh power banks you can get on a budget on Amazon

The power banks with bigger built-in battery unit offer support for Quick Charge and Power Delivery.

Power banks have not only become bigger and more powerful but multi-dimensional as well. Now you can get a power bank with 20,000mAh lithium-ion battery packed inside. They have dual charging ports, supporting input and output power. Add to that, some of them even get Quick Charge and Power Delivery support that provide compatible charging speed for a variety of devices. Here are the best 20,000mAh power banks you can get on a budget.

Things to consider when buying a 20K power bank

How hard can it be to buy a power bank? Well, not much but we still want to prescribe the factors that help you get the best option for your device. Here are some of the things to consider:

  • Build quality matters: You might not know this but power banks deliver better results based on their build quality. A good design ensures the internal heating is kept to a minimum, which results in better and more effective charging. Make sure the power bank you are buying won’t break apart.
  • Multiple ports come in handy: Go for a power bank that carries multiple versions of USB ports. This way you can charge older and recent models that come with micro USB and USB C ports, respectively. These ports also mean you get the right amount of charging speed compatible with your device.
  • Power discharge for better speed: Buyers should also read through the detailed specs of the power bank to make sure it supports the power discharge supported by their device for faster charging.
  • Multi-level protection: Power banks are basically batteries and power control circuitry, wrapped inside a casing. That means a faulty power bank can heat up while charging or provide the wrong output current, harming your device. That’s why you should only go for models that offer a minimum of three or five-layer charging protection.

1. Mi Power Bank 3i

The Mi Power Bank 3i packs a 20,000mAh battery with support for 18W fast charging. It has triple USB outputs and dual input ports. The power bank features 12-layer chip protection. It also supports smart power management, and you get micro USB and USB Type C input ports. The Power Bank 3i gets an aluminium casing that gives it extra durability and prevents it from overheating. The power delivery support means you can charge any device using its standard charging speed.

2. Ambrane 20000mAh Power Bank

Ambrane’s 20,000mAh power bank comes with both USB Power Delivery (USB PD) and Quick Charge fast charging standards and features up to 20W fast charging. Support for fast charging means you can charge your devices up to 50 percent in just 30 minutes. Its total 20,000mAh battery capacity gets a OnePlus Nord and or an iPhone 12 fully charged up to 4 times. The power bank includes two USB-A ports and one USB-C port that enables you to charge three devices simultaneously. The USB-C port on the other hand supports both input and output with USD PD fast charging support. Add to that, its Pass Through Charging technology enables you to simultaneously charge the power bank as well as your devices. And what’s more, the power bank itself can charge with 20W charging speed via the USB Power Delivery through its USB-C port. This enables the power bank to fully juice up from zero to 100 percent in around 8 hours. It also gets LED indicators, which let you know the battery level and a dedicated indicator for the USB PD charging source.

The company has built the power bank with a range of safety features including over-temperature protection, over-discharge protection, over-current protection, short-circuit protection, and more. The power bank is also compatible with most devices including TWS earphones, smartphones, tablets, and more. The Ambrane 20,000mAh power bank is sturdily built and is a good travel companion with its large capacity and fast chagrin capabilities.

3. Redmi 20000 mAh power bank

This power bank from Redmi has dual input and output for charging devices. The anti-slip texture offers extra durability to handle rough and tough usage. The output ports let you charge devices at 18W speed, and it features 12 layers of circuit protection like overcharging, overheating and more. But more importantly, the power bank gets two-way fast charging that not only charges other devices faster but the power bank as well. You can use it to charge tablets, phones, Bluetooth speakers, headsets and even fitness bands. And before we forget to mention, yes, the power bank does come with an LED indicator to show battery status.

4. Realme 20000 mAh power bank

Realme has also launched its 20000mAh power bank, and it supports 18W two-way fast charging, which offers quick charging of devices. Because it has multiple ports, you can charge two devices simultaneously. Realme has offered two USB 2.0 ports and a USB Type C port for charging. The power bank has been designed keeping comfort in mind and still offers durability for long usage. It comes equipped with 14-layer circuit protection against overcharging and power surges. And yes, Realme is offering a low-current mode charging option to help you charge other devices like a smartwatch and wireless earbuds.

5. pTron Dynamo Zip

pTron is another local brand with its Dynamo Zip power bank in this segment. The company has equipped this unit with regular USB, micro USB and USB Type C ports so that you can charge older and latest phone models. It supports Quick Charge 3.0 technology, delivering 18W charging speed for compatible devices. pTron has managed to offer a slew of protection levels for this power bank, preventing it from overcharging, overheating, overcurrent, over-discharge, and short circuit as well. The four-level LED indicator tells you the battery status of the power bank. You can use both the micro-USB and USB Type A interface to charge devices and the power bank.

6. Croma 18W Power Delivery (PD) 20000mAh Power Bank

Croma 18W power bank as the name suggests comes with 18W fast charging support and has a large 20,000mAh battery capacity. It sports an anti-scratch and durable aluminium build for long durability. It comes with four USB ports including two USB-A ports and one USB-C port and one Micro USB port. Out of these ports, the USB-C port and one of the USB-A ports support 18W fast charging. The USB-C and Micro USB port support 18W fast charging input as well so you can charge the power bank faster. The company has used a Li-Polymer battery to build this power bank that ensures efficiency as well as a longer lifespan. Lastly, you don’t have to worry about the Croma power bank’s safety as it comes with short circuit protection. If you’re in the market for a well-rounded power bank that doesn’t burn a hole in your wallet, this Croma power bank is worth considering.

7. URBN 20000 mAh

URBN is our next choice for buyers who need a large-capacity power bank. Compared to most units, this model offers 22.5W fast charging and 18W two-way fast charging. URBN has provided this power bank in a compact design that can even fit in your palm. The best thing about this model is that you can apply fast charging standards of different brands and get good charging speeds. URBN has equipped the model with impressive 12-layer protection against overvoltage, overcurrent, battery temperature, and short circuits. The textured finish of the power bank gives it extra durability and a better grip.

8. Unix 20000 mAh Power Bank

The Unix 20,000mAh premium series power bank is portable and features an anti-slip design with an adjustable strap cable to easily carry it anywhere you want. It can charge up to two devices simultaneously. It also gets a Grade A+ Li-polymer cell with microchip protection. This gives the power bank a total of 500+ charge cycles ensuring long life. Its numerical LED indicator helps you know the power bank’s battery levels. With safety mechanisms such as over-charge protection, over-discharge protection, over-current protection, over-temperature protection, and more, you don’t have to worry about your devices’ safety. Its Smart chipset ensures smart power distribution, smart power on/off, 90 percent high charge and discharge rate, and more. Lastly, the power bank comes in an aluminium alloy casing to give it a high drop resistance and a premium feel. If you’re eyeing a feature-packed power bank, the Unix 20,000mAh premium series power bank is one of the best choices.

9. Portronics Power PRO

The Portronics Power PRO power bank has a 20,000mAh battery capacity and comes with a compact and textured build, which makes it easy to slip into your travel backpack and provides a secure grip as well. It features dual USB-A output ports and one USB-C and Micro USB for input. With a total output current of 5V/2.4A, you can simultaneously charge two devices. The power bank also fully charges in about 10 hours. It also gets LED indicators to let you know about the amount of juice remaining in the power bank. Lastly, the Portronics Power PRO features a range of protection mechanisms including over-current protection, over-voltage protection, over-temperature protection, and short-circuit protection to ensure the power bank doesn’t cause any safety hazards to the user. Users who bought the power bank recommend it for its reliability and large battery capacity as well as its portability.

10. Gionee 20000mAh

And finally, you have Gionee with its 20000mAh power bank. You’ll love its design and style, which gives it higher points than others in its segment. The power bank offers multiple USB versions for charging, which include micro-USB for input, USB Type C for input and output, and dual USB ports for output. The power bank features LED indicators to give you the battery status and a power button to manually turn it on. You get a maximum charging speed of 15W with this product. The circuitry gets additional protection to ensure no mishaps are caused while charging.