A 20000mAh power bank is a portable external battery designed to charge devices like smartphones, tablets, cameras, and more. With 20000mAh of capacity, it provides several full charges for most phones and small gadgets, offering a reliable, convenient power solution for people on the go or travelling.
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Anker Prime 27,650mAh Power Bank (250W)
$249.99
Anker Prime 20,000mAh Power Bank (200W)
$199.99
Anker 737 Power Bank (PowerCore 24K)
$189.99
Anker Prime 27,650mAh Power Bank (250W) and 100W Charging Base
$299.99
Anker 537 Power Bank (PowerCore 24K for Laptop)
$129.99
Anker Power Bank (20K, 87W, Built-In USB-C Cable)
$79.99
Anker 337 Power Bank (PowerCore 26K)
$84.99
Anker 325 Power Bank (PowerCore 20K II)
$49.99
Anker 325 Power Bank (PowerCore 20K)
$59.99
New
Anker Prime Power Bank (9.6K, 65W, Fusion)
$109.99
Anker MagGo Power Bank (10K)
$129.99
New
Anker MagGo Power Bank (10K, Slim)
$99.99
Anker Nano Power Bank (30W, Built-In USB-C Cable)
$69.99
Anker 733 Power Bank (GaNPrime PowerCore 65W)
$119.99
New
Anker Zolo Power Bank (10K, 30W, Built-In USB-C Cable)
$34.99
Anker Power Bank (10K, Fusion, Built-In USB-C Cable)
$59.99
Anker 622 Magnetic Battery (MagGo)
$54.99
New
Anker MagGo Power Bank (10K, 35W, For Apple Watch)
$119.99
Anker offers a range of cutting-edge power banks, including 20000mAh and 24000mAh options, making charging on the move effortless. Our 20000mAh power banks feature advanced Power Delivery 3.1 technology, delivering 140W ultra-fast two-way charging for various devices.
Our high-capacity power banks can charge an iPhone 16 up to 5 times and an iPad Pro 12.9" up to 1.2 times, while the power bank itself recharges 7 times faster than other brands, reaching 100% in just 52 minutes. Anker's 20000mAh power banks excel in safety too, featuring ActiveShield 2.0 technology that monitors the temperature 3 million times a day, providing unmatched protection throughout their entire lifespan.
With smart digital displays, our 20000mAh power banks show you the remaining charge with just a glance. In short, Anker’s 20000mAh power banks ensure you're always powered up wherever you are. Explore Anker's collection of 20000mAh power banks today for added peace of mind on the go!
Yes, a 20000mAh power bank is definitely worth it, especially if you rely on your devices throughout the day. With enough capacity to charge most smartphones multiple times and provide a boost to tablets or laptops, it’s a reliable option for travel, work, or outdoor activities. Plus, the added convenience of fast recharging and advanced safety features makes it a solid investment for staying powered up on the go.
The lifespan of a 20000mAh power bank depends on factors like usage and charging cycles. Typically, these power banks can last for several years with proper care, providing hundreds of charges. However, as the battery ages, its capacity may slightly decrease. On average, you can expect it to last around 500 to 800 charge cycles, depending on how frequently you use it and how well it's maintained.
A 20000mAh power bank can charge most smartphones 4 to 6 times, depending on the device's battery size. For example, an iPhone 15 (with a 3349mAh battery) can be charged about 5 times, while larger devices like tablets or laptops will require fewer charges. Keep in mind that the actual number of charges can vary based on the efficiency of the power bank and the devices you're charging.
Yes, a 20000mAh power bank is generally allowed on flights, but there are some guidelines you should follow. According to Transport Canada, power banks with a capacity of up to 300Wh (approximately 27000mAh) can be brought on board in carry-on luggage. For safety reasons, make sure your power bank is in good condition and stored properly. Larger capacity power banks may require approval from the airline.
A 20000mAh power bank can provide a decent charge for some laptops, but it may not fully charge a larger laptop, especially those with high power demands. For smaller laptops or ultrabooks, a 20000mAh power bank can give you about 1 to 1.5 full charges. However, for high-performance laptops, you'll likely need a higher-capacity power bank or one with Power Delivery (PD) support for faster and more efficient charging.
