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100% positive over last 12 months
Anker Power Bank, 20,000mAh Portable Charger with USB-C Fast Charging, Works for iPhone 15/15 Plus/15 Pro/15 Pro Max, iPhone 14/13/12 Series, Samsung, iPad Pro, AirPods, Apple Watch, and More
Sustainability features
This product has sustainability features recognized by trusted certifications.
Carbon emissions from the lifecycle of this product were measured, reduced and offset.
The Climate neutral label by ClimatePartner certifies that the carbon footprint of a product was calculated and all associated emissions were offset. Additionally, ClimatePartner encourages companies to set ambitious reduction targets and reduce their products' carbon footprints. The certificate number can be entered on ClimatePartner’s website for additional information such as the supported carbon offset project(s). ClimatePartner is improving lives by helping companies tackle climate change with practical solutions.
Certification Number
743M8TReturn this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
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Purchase options and add-ons
Connector Type | USB-A*2 + USB-C*1 |
Brand | Anker |
Battery Capacity | 20000 |
Color | black |
Special Feature | Fast Charging |
About this item
- Power You Can Bank On: Equipped with 20,000mAh capacity, keep your devices powered for days while you travel for work or leisure. Charge an iPhone 13 4.3 times, or a Galaxy S22 Ultra over 3 times.
- Blazing Fast Speeds: Get the fastest possible charge of up to 20W with 3 USB ports. Charge an iPhone 13 to 50% in 37 minutes.
- Power for 3: Charge your everyday items such as your phone, earphones, and Apple Watch at once.
- Comprehensive Safety System: A combination of 10 safety features that work together to provide ultimate protection for your devices, your chargers and most importantly, you.
- What You Get: Anker 335 Power Bank (PowerCore 20K), USB-A to USB-C cable, welcome guide, our 18-month stress-free warranty, and friendly customer service.
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Compare with similar items
This Item Anker Power Bank, 20,000mAh Portable Charger with USB-C Fast Charging, Works for iPhone 15/15 Plus/15 Pro/15 Pro Max, iPhone 14/13/12 Series, Samsung, iPad Pro, AirPods, Apple Watch, and More | Recommendations | dummy | dummy | dummy | dummy | |
Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | |
Price | $39.99$39.99 | $39.99$39.99 | -5% $39.99$39.99 List: $41.99 | $49.99$49.99 | $79.99$79.99 | $39.99$39.99 |
Delivery | Get it as soon as Tuesday, Apr 2 | Get it as soon as Tuesday, Apr 2 | Get it Apr 3 - 4 | Get it as soon as Tuesday, Apr 2 | Get it as soon as Tuesday, Apr 2 | Get it as soon as Tuesday, Apr 2 |
Customer Ratings | ||||||
Charging power | 4.4 | 4.4 | 4.5 | 3.9 | 4.2 | 4.2 |
Battery life | 4.3 | 4.3 | 4.4 | 3.8 | 4.2 | 4.0 |
For traveling | 4.1 | 4.1 | 4.5 | 4.3 | 3.5 | 4.3 |
Value for money | 4.2 | 4.2 | — | 3.8 | 3.9 | 3.3 |
Sold By | AnkerDirect | AnkerDirect | AnkerDirect | AnkerDirect | AnkerDirect | AnkerDirect |
capacity | — | 20000 milliamp hours | — | 5000 milliamp hours | — | 5000 milliamp hours |
connector type | USB-A*2 + USB-C*1 | USB-A*2 + USB-C*1 | USB-A*1 + USB-C*1 | USB-C*2 | USB Type C | USB-C*2+USB-A*1 |
number of ports | 3 | 3 | 2 | — | 2 | 3 |
compatible devices | Tablet, iPhone 15/15 Plus/15 Pro/15 Pro Max, iPhone 14/13/12 Series, Samsung, iPad Pro, AirPods, Apple Watch, and More | iphone,phone | iPhone 13 / 13 Pro / 13 Pro Max / 12 / 12 Pro, Samsung, iPad Pro, and More, Tablet, iPhone 15/15 Plus/15 Pro /15 Pro Max | iPhone 15/15 Pro /15 Pro Max/14/14 Pro, Samsung, iPad Pro, and More | Tablet, MacBook, iPhone iPhone 15/15 Plus/15 Pro/15 Pro Max, iPhone14/13/12 series, Samsung Galaxy, iPad, and More | Ipad |
voltage | 5 volts | 5 volts | 5 volts | 5 volts | 5 volts | 5 volts |
battery charge time | 37 minutes | 37 minutes | 7 hours | — | 28 minutes | — |
weight | 1 pounds | 476 grams | 12.2 ounces | 0.44 pounds | 2 pounds | 0.49 pounds |
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Product information
Product Dimensions | 6.55 x 3.26 x 0.93 inches |
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Item Weight | 1 pounds |
ASIN | B09SFS9J2K |
Item model number | A1288 |
Batteries | 1 Lithium Polymer batteries required. (included) |
Customer Reviews |
4.7 out of 5 stars |
Best Sellers Rank | #2,022 in Cell Phones & Accessories (See Top 100 in Cell Phones & Accessories) #133 in Cell Phone Portable Power Banks #612 in Climate Pledge Friendly: Electronics |
Date First Available | February 14, 2022 |
Manufacturer | Anker |
Warranty & Support
Feedback
From the brand
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We want you to live without the inconvenience and uncertainty of where your next charge is coming from.
Our chargers and accessories don't just power up your devices, they offer the tech experience you want with zero restrictions.
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Looking for specific info?
Product Description
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Trickle Charging ModeGet optimized charging to low-power devices such as earphones, Bluetooth speakers, and other accessories. |
Wide CompatibilityWorks flawlessly with a wide range of mobile devices including phones, tablets, and more. |
Comprehensive SafetyAnker's MultiProtect safety system combines advanced temperature control, overcharge protection, short-circuit protection, and a fireproof casing to ensure complete protection for you and your devices. |
Anker 335 Power Bank (PowerCore 20K) | PowerCore Slim 10000 | PowerCore Slim 10000 PD | PowerCore Essential 20000 | PowerCore Essential 20000 PD | PowerCore 26K with 65W USB-C Charger | |
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Customer Reviews |
4.7 out of 5 stars
3,401
|
4.5 out of 5 stars
100,372
|
4.4 out of 5 stars
10,521
|
4.6 out of 5 stars
85,458
|
4.7 out of 5 stars
6,482
|
4.4 out of 5 stars
1,434
|
Series | Basic | Basic | Basic | Basic | Basic | Premium |
Main Feature | Slim | Slim | Slim | Portable | Portable | High cell-capacity |
Output Ports | 2xUSB-A 1xUSB-C | 1xUSB-A | 1xUSB-C 1xUSB-A | 2xUSB-A | 1xUSB-C 1xUSB-A | 2xUSB-C 2xUSB-A |
Recharging Time | ~6.5 Hours (with PD charger) | ~5.5Hours | ~4.5Hours (with PD charger) | 10Hours | ~6.8Hours (with PD charger) | ~2.5Hours (with PD charger) |
Size | 6.55 x 3.26 x 0.93 in | 5.91 x 2.68 x 0.57 in | 5.87 x 2.68 x 0.55 in | 6.2 x 2.9 x 0.8 in | 6.22 x 2.93 x 0.76 in | 7.2 x 3.23 x 0.95 in |
Weight | 463g/16.4oz | 208g/7.52oz | 208g/7.52oz | 342.5g/12.1oz | 350g/12.32oz | 748g/26.4oz |
Model: A1288
Anker 335 Power Bank (PowerCore 20K)
One-Stop Charging for Multiple Devices
Super Huge Capacity
Conveniently power all your essential devices wherever you go thanks to the 20,000mAh battery capacity. Charge an iPhone 13 over 4 times or a Galaxy S22 Ultra more than 3 times.
Charge 3 Devices At Once
Charge your phone, tablet, and earbuds or Apple Watch simultaneously from one power bank.
Designed for Speed
20W fast charging lets you charge an iPhone 13 to 50% in 37 minutes.
Superior Safety
Anker’s exclusive MultiProtect safety technology provides complete protection for you and your devices.
Compatibility
Phones:
iPhone 15 / 15 Pro / 15 Pro Max
iPhone 14 / 14 Pro / 14 Pro Max
Samsung S21
Samsung S22
Google Pixel 5 / 6
Tablet:
iPad 9th Gen
Wireless Earbuds:
AirPods Pro / 3 (with wireless charging case)
Apple Watch:
Apple Watch Series 5 and 7
Notes:
- USB-C to Lightning cable not included.
- Apple Watch cable not included.
- Not compatible with MacBook Pro 13" (2019) and MacBook Pro 16".
Sustainability features
This product has sustainability features recognized by trusted certifications.
Carbon emissions from the lifecycle of this product were measured, reduced and offset.
The Climate neutral label by ClimatePartner certifies that the carbon footprint of a product was calculated and all associated emissions were offset. Additionally, ClimatePartner encourages companies to set ambitious reduction targets and reduce their products' carbon footprints. The certificate number can be entered on ClimatePartner’s website for additional information such as the supported carbon offset project(s). ClimatePartner is improving lives by helping companies tackle climate change with practical solutions.
Certification Number
743M8TCustomer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the appearance, capacity and quality of the power bank. For example, they mention it has a great sleek look, it holds a charge well and can store a lot of electricity. That said, they're satisfied with value. That being said, opinions are mixed on charging, and weight.
AI-generated from the text of customer reviews
Customers like the quality of the power bank. They say it's built well, reliable, and durable. Customers also say it holds charge and charges devices quickly. Overall, customers are satisfied with the quality and functionality of the battery pack.
"...I've used it for 1 month now and it seems to charge well and hold well while I just leave it in the car overnight...." Read more
"Great power bank, everything about it is fine, good battery life, not very heavy...." Read more
"...However, this updated design takes the cake. Its build exudes durability, ensuring that it can withstand the rigors of travel and daily use...." Read more
"...When I recharge it, it will old the charge a very long time until I'm ready to use it again. It's also small enough to be easy to carry with me." Read more
Customers are satisfied with the appearance of the power bank. They mention that it has a great design, impressive capacity, and a sleek white finish that is not only aesthetically pleasing but also resistant to wear and tear.
"The charger looks and feel durable with a nice clean white color to it...." Read more
"...With its remarkable performance, sleek design, and user-friendly features, it has earned a well-deserved 6-star rating in my book...." Read more
"Stunning as usual. The only problem is, where is the mesh casing and cord?..." Read more
"...It has a sleek and stylish design, with a matte black finish that looks great and doesn't show fingerprints...." Read more
Customers like the capacity of the power bank. For example, they mention it holds a charge well, can store a great deal of electricity, and is a large battery pack. Some say that it takes a while to recharge. Overall, most are satisfied with the capacity and functionality of the product.
"Big power bank. Recharges my devices nicely. Takes a while to recharge, but its a big power bank. Its expected. What more is there to say?" Read more
"...Great capacity, quick charging and no noticeable battery decay to speak of. This thing is rock solid." Read more
"Holds lots of power. Took a while to charge, but makes sense considering its capacity. This was used to power heated hand warmers...." Read more
"...on the go with its quick charging capabilities, but its limited capacity may leave some users wanting more...." Read more
Customers like the value of the power bank. They say it's worth the price, has a huge battery, and lasts forever. Some say it is heavy and bulky, but well worth it to keep three devices powered for an entire day.
"Price is good they last forever and do what they claim ...I dropped mine on tile and still works no issues iv actually dropped all 3 I have all 3..." Read more
"For 20k battery this is great price, I use it around the house when I don’t need to find a plug. Not so good for travel cause it’s thick...." Read more
"...Worth the money. I now take this to work or sent it to school with the kids if they forget to charge their phone...." Read more
"...It is a little heavy but well worth it to keep three devices powered for an entire days worth of flights and delays...." Read more
Customers find the power bank easy to use and convenient. They appreciate the sleek design and user-friendly features. They also appreciate the simple instructions and the ability to access the power button and USB ports.
"...With its remarkable performance, sleek design, and user-friendly features, it has earned a well-deserved 6-star rating in my book...." Read more
"This product is so convenient for me. I have insomnia and I need to listen to relaxing stress relieving sound in order to fall asleep...." Read more
"Very convenient for when you’re on the go and need to charge earbuds, phone, or anything else that charges via USB...." Read more
"...It has a fast charge cable that arrived with it, and it is very easy to use.I will say, only plus directly into the wall when charging...." Read more
Customers are mixed about the charging of the power bank. Some mention that it still holds charge and charges like a champ, while others say that it takes a long time to charge, stops charging, and drains out after just 5-6 hours of use. Additionally, some say that the powerbank comes with terrible low-quality connector that can damage sockets on your devices.
"...I've used it for 1 month now and it seems to charge well and hold well while I just leave it in the car overnight...." Read more
"Great power bank, everything about it is fine, good battery life, not very heavy...." Read more
"...The only bad thing that I can think of is that it takes a long time to charge." Read more
"...It allows for the simultaneous charging of multiple devices, making it an ideal companion for those who travel with various gadgets...." Read more
Customers are mixed about the weight of the power bank. Some mention it's not too heavy or bulky, and is very portable. However, others say that it'll keep them going for a few days if needed. It's a bit slimmer and lighter than other power banks, making it easier to carry. However some customers also say that the powerbank is huge and heavy, making the product not so portable.
"Great power bank, everything about it is fine, good battery life, not very heavy...." Read more
"...It's pretty hefty and can be a slightly heavy but its worth it." Read more
"...It's also small enough to be easy to carry with me." Read more
"The power bank works as it should. My only issue is the weight when backpacking." Read more
Customers are dissatisfied with the size of the power bank. They mention that it is a bit large and heavy to put in their pocket, and it is way too big to deliver so little power. Some say that the size is comically large and cannot fit in the old carrying bags.
"...Although the excessive size isn't great, I tend to use this when I have a backpack on me so carrying it isn't that big of a deal and I want the..." Read more
"It's a bit large and heavy to put in your pocket, but if you're going to be away from civilization for a couple days and need to be able to charge..." Read more
"...This thing is huge not what I expected , yeah it works but dang it’s a brick" Read more
"...It is relatively light and small for VR use which is great and produces a setup similar to the Vision Pro with an external battery at the added..." Read more
Reviews with images
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Top reviews
Top reviews from the United States
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Durable Design with a Modern Twist:
As someone who has owned a previous Anker power bank, I was already acquainted with the brand's commitment to quality. However, this updated design takes the cake. Its build exudes durability, ensuring that it can withstand the rigors of travel and daily use. The sleek white finish is not only aesthetically pleasing but also resistant to wear and tear.
Dual USB Ports and USB-C Fast Charging:
The inclusion of two USB ports is a game-changer. It allows for the simultaneous charging of multiple devices, making it an ideal companion for those who travel with various gadgets. The USB-C fast charging capability is a notable upgrade, ensuring that your devices are powered up swiftly and efficiently.
User-Friendly Charging Status Indicator:
Reading the charging status has never been easier. The clear and intuitive indicator lights keep you informed about the power bank's remaining charge, eliminating any guesswork. This feature is a testament to Anker's commitment to user convenience.
Impressive Charging Capacity:
The true strength of this power bank lies in its capacity. During a full charge, it provides enough power to recharge your laptop once and your cell phone up to four times. This level of versatility is particularly valuable for those who are constantly on the go, ensuring you stay connected without interruption.
Quick Shipping and Unmatched Quality:
Anker's reputation for quality and reliability is well-deserved. Your expectations are not only met but exceeded. Shipping is swift, and the product arrives exactly as described, reinforcing the trust that Anker has built among its customers.
With this product, my phone will always be charged without worry about the length of my usb-c cord and if the electric outlet is close by. Super convenient for me.
The only bad thing that I can think of is that it takes a long time to charge.
Top reviews from other countries
Perfect for backpacks, notably large belt bags, or luggage. NOT great for grab-and-go, smaller belt bags, or pockets.
Get this if you need the size (awesome for iPad and phones), or get Anker's smaller version if you want to be portable (10,000mAh is still quite a bit for 2 people within a day).
Using this for traveling was incredibly reassuring and pleasant, but it was notably heavy for walking around without a full backpack or satchel. If I were to do it again I would have got a 10,000mAh version, each of our phones are around 5000mAh so it is still enough for 2 full charges a day, or one per person in a couple without the bulk. Pair it with a long cord and a backpack and it would be fine as well!
Love this!
Le mode "maintient de charge" me parait une bonne idée. J'aurai aimé que l'indicateur de charge soit un peu plus visible.
- Hohe Ladekapazität (6x Google Pixel 4 vollständig geladen)
- Zwei Anschlüsse für paralleles Laden
- relativ schnell komplett geladen (~6 Stunden)
Con:
- hohes Gewicht (logisch)
- anfällig für Staub und Feuchtigkeit
Alles in allem eine super Powerbank für einen fairen Preis. Vor dem Kauf sollte man sich unbedingt über den Einsatzzweck im Klaren sein.
Will man ultra-light hiken gehen, muss man für sich selbst entscheiden, ob das Gewicht ein Problem ist und wie viel Ladekapa man benötigt.
Wir hatten die Powerbank für einen mehrtägigen Urlaub mit Zelt genutzt (ohne Stromversorgung). Dafür hat die Powerbank optimal ihren Dienst getan und je zwei Handys über Nacht komplett geladen.
Nutzung unter normalen Temperaturen (ca 12 - 30 Grad Celcius, keine direkte Sonneneinstrahlung).
Erwähnenswert ist dass die Powerbank einen Modus zum Laden für Endgeräte mit niedrigem Energieverbrauch hat und somit auch deren Akkus beim Landen schont.
Wenn ihr eine Powerbank sucht, die ausreichend Strom für einige Tage liefert, einfach zu bedienen ist, qualitativ gut verarbeitet und das zu einem fairen Preis, dann kann ich dieses Model uneingeschränkt empfehlen.