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Want to make your phone’s battery last longer? These 20,000mAh options will solve any of your power issues and make sure your phone is never dead. Today’s mobile devices are draining their batteries more and more as they get more powerful. Most alternatives are too small and don’t have enough juice to charge any device fully. This is where the 20000 capacity of these models come in handy. They are great for traveling but also essential for the daily commute. They will allow you to have your device fully charged when and where you need it.
Best 20000mah power banks:
Image | Product | Our Rating | Price |
---|---|---|---|
![]() | Anker PowerCore 20,100mAh Portable Charger | 9.7 | Check Price on Amazon |
![]() | EasyAcc 20000mAh Portable Charger | 9.5 | Check Price on Amazon |
![]() | mophie – powerstation XXL – Portable Charger | 9.1 | Check Price on Amazon |
![]() | Solar Power Bank Portable Charger 20000mah Battery Backup | 8.8 | Check Price on Amazon |
![]() | INIU Portable Charger, 20WFast Charging 20000mAh Power Bank | 8.6 | Check Price on Amazon |
![]() | 2-Pack Miady 20000mAh Portable Charger | 8.2 | Check Price on Amazon |
![]() | Portable Charger Power Bank 20000mAh | 8 | Check Price on Amazon |
![]() | Foxsky Power Bank 20000mAh Power Delivery | 7.7 | Check Price on Amazon |
![]() | Durecopow Solar Charger, 20000mAh Waterproof Solar Power Bank | 7.4 | Check Price on Amazon |
![]() | Power Bank 20000mAh 20W PD Portable Charger | 7.2 | Check Price on Amazon |
Last update on 22nd March 2023 / Affiliate Links / Images from Amazon Product Advertising API
Our recommended 20000mah power banks:
Anker PowerCore 20,100mAh Portable Charger
- The Anker Advantage:Join the 50 million+ powered by our leading technology.
- Ultra-High Capacity:Weighs as little as a can of soup (12.5 oz) yet charges the iPhone 8 almost seven times, the Galaxy S8 five times or the iPad mini 4 twice.
- High-Speed Charging: PowerIQ and VoltageBoost combine to deliver the fastest possible charge(does not support Qualcomm Quick Charge). Recharges itself in 10 hours with a 2 amp charger, phone chargers (generally 1 amp) may take up to 20 hours.
- Certified Safe: Anker’s MultiProtect safety system and high-quality LG battery cells ensure complete protection for you and your devices.
- What You Get: Anker PowerCore 20100 Portable Charger, Micro USB cable, travel pouch, welcome guide, Lightning cable for iPhone / iPad sold separately.
Last update on 22nd March 2023 / Affiliate Links / Images from Amazon Product Advertising API
If you want your modern smartphones or tablet to be as efficient as possible, you’ll need a power bank. When your battery drains, you’re pretty much out of luck if you don’t have a charger at hand. This is where the PowerCore from Anker comes in handy with its 20000mah capacity. This is probably a league of its own when you think of the best 20000mah power banks you can purchase.
The aluminum shell makes the device easy to slip into your pocket and so you can carry it with you wherever you go.
It can charge smartphones like iPhone and Samsung Galaxy up to five times on a single charge. The dual input ports will allow you to charge two devices at the same time.
Power banks are convenient, but they can be bulky to carry around with you. This model is lightweight but durable and has great portability.
I like its slim design and appreciate its large capacity. I’ve been disappointed with other alternatives on the market, but this one delivers what it promises. It can keep your devices running for days.
The problem with such products is that they are expensive, and many times they are poorly made. Anker has eliminated that problem with the PowerCore Essential. An excellent product that deserves a closer look while researching. I consider this among the best 20000mah power banks you can buy today.
EasyAcc 20000mAh Portable Charger
- 4 Output Port: supports charging 4 devices simultaneously cell phones, speakers, earphones. Dual micro USB and USB-C port design, available Charge different devices in one power bank.
- Type-C Input & Output: The airplane-friendly power bank recharges up to 5V/3A; power bank orange compatible with Google Pixel 2, Samsung Galaxy S8 / S8 Plus, Huawei Mate 10 Pro
- 5 Hours Recharge: Type C + Micro input, makes you get a full 20000mah power recharge short in 5 hours. 2X is faster than a standard one
- Additional Function: Build-in LED Flashlight (double press the power button to turn on\off)Pass-through Charging, disconnect once phones fully charged.
- Power For Days: 20000mAh power capacity, provides more than 4 charges for iPhone 11, more than 5 charges for iPhone X, almost 5 full charges for Samsung Galaxy S10, and over 2 and a half charges for iPad mini 5.
Last update on 22nd March 2023 / Affiliate Links / Images from Amazon Product Advertising API
If you are looking for the best 20000mah power banks for your next trip, but your budget is limited, this product from EasyAcc is a great option that won’t break the bank. Its capacity allows you to charge your gadgets and accessories many times before it runs dry.
The device features 4 USB outputs that auto-detects and change the connected device’s charging speed up to 2.4A. In total, the device has a 4.8A output that allows up to four devices to charge at the same time.
It is a great option for anyone who needs to plug more than two devices or has a limited budget that can’t justify purchasing the model from Anker.
Considering its relatively low price, this is a great option that can help you charge your devices on the go without spending too much.
mophie – powerstation XXL – Portable Charger
- Up To 4.6 Full Phone Charges – High capacity portable power bank containing a 20,000mAh battery.
- 18W USB-C PD Output- Charge your phone at the fastest speed possible with the USB-C’s 18W output and get up to 50% battery in just 30 minutes.
- Versatile USB-C Port – Use the USB-C port to recharge the powerstation in record time or use that same port to charge a device.
- Charge Multiple Devices – Charge three devices simultaneously by plugging one into the USB-C port and another two into the USB-A ports.
- Large Capacity – The powerstation XXL contains enough battery to charge multiple devices.
- Stylish Fabric Finish – A premium fabric finish adds style and prevents scuffs and scratches.
- Textured Perimeter – A textured design around the perimeter complements the fabric finish.
Last update on 22nd March 2023 / Affiliate Links / Images from Amazon Product Advertising API
Next on this list, the Morphie Powerstaton XXL. A reasonably priced option that can keep your devices charged while on the go. This model is ideal for a frequent traveler, thanks to its massive capacity. Its built quality and attractive price help this product gain a spot in the list of the best 20000mah power banks on the market.
The 2.4A quick-charge USB-A port is perfect for any energy-hungry device. For example, your tablet on one, while charging your smartphone at full speed.
This USB-C Power Bank has enough juice to power an Apple Mac Book via USB-C port for up to 14 hours. If you like camping, hiking, and outdoor activities, you will be surprised by how useful this can be off the grid.
I like that it has a rugged aluminum case that can protect t from the elements. Don’t expect miracles, yet it is well built and can handle everyday use.
I would encourage you to have a closer look at this one, especially if you are a budget-conscious buyer.
What to consider when looking for the best 20000mah power banks?
Nowadays, we tend to carry many electronic devices with us, and while on the move, we would love to be able to charge them not to run out of juice during the day. These models can provide enough power for devices to operate and also provide the chance to charge them more than once.
There are plenty of models in the market, but which are the best 20000mah power banks for your needs? The answer to the question relies on your daily routine. How energy-hungry your devices are? Also the size and weight you are willing to carry play a vital role.
The battery size of these models is rated in mAh, so it is vital to pick a model with enough mAh to have the necessary extra power while far from an outlet.
This article features 20000mAh as they tend to be ideal due to their compact size. The larger capacity comes with greater weight and size.
Most portable chargers highlighted have a display to state how much energy they have left in their batteries. This can be found as a small screen indicating a percentage, while on other models, it can be found as led lights corresponding to the power level.
In most cases, the best 20000mah power banks on the market are usually petite in size, and some can even fit in your palm. It is vital to check the product’s dimensions before purchasing. Sometimes you find bulkier models with the same capacity, so you might want to go for the most compact one. A product rated at 20000mAh can provide enough power to charge your mobile phone or tablet many times before it runs dry.
You can expect 2-4 full charges for mobile phones and up to 2 charges for tablets in most cases. Some models are more power-hungry, so your mileage may vary. still, it is wise to invest in 20000mAh or more as for most users, it is plenty for today’s devices.

The best 20000mah power banks on the market feature smart electronics that protect your devices. They can identify when the connected devices are charged and stop supplying power to their outputs. This means safe and fast charging while preventing overvoltage, overcharging, or short circuits. Some models have a built-in light that can be handy especially if you are outdoors in the dark.
It is vital to check how many USB ports the device has, as this will measure its ability to plug-in devices for simultaneous charging. In most cases, they will feature at least two USB ports, but there are also models in the market that come with more ports, which can be handy to some.
Try to avoid single port models if you can, research for models with dual ports to be safe for future expansion.
It is also worth mentioning that not all ports offer fast charging or enough amps to power tablets. If you want to charge your tablet, look for models with 2A USB outputs.
Moreover, check that they provide enough power and faster charging if available. The best 20000mah power banks will have a USB-C port to be compatible with laptop charging. Plenty of models feature Micro USB ports, so make sure you get the appropriate MicroUSB cable.

Weight is also a deciding factor for many users. it is wise to verify the power bank’s weight before purchasing it. The lightest alternative will be around 350g, while the heaviest can be around 800g.. Well, it sounds like not much, but it all adds up, especially if you have to carry more than one power bank.
It is wise to pick one from a reputable manufacturer that is backed by a long-lasting warranty. The most prominent brand is Anker and has provided some of the most durable power banks in the market. They tend to be a little pricier, but they are worth every penny you will spend, so rest assured.
Many off-brand models have received good reviews, so if you are on a limited budget you should have a closer look at them.
In the latest years, there was also a nice addition to the market, solar power banks. Solar energy will recharge the device, and you can charge your devices as long as there’s sunlight. Solar-powered models are perfect for heavy-duty use as they are water-resistant and shockproof.