The Best Slim Power Bank of 2021 – Top 10 and Rankings

If you’re looking for Slim Power Bank but don’t know which one is the best, we recommend the first out of 10 Slim Power Bank in this article. Check out how we decide after hours of researching and comparing dozens of items on the market.

Rank No. #1
Anker Portable Charger, PowerCore Slim 10000 Power Bank, 10000mAh Battery Pack, High-Speed PowerIQ Charging Technology for iPhone, Samsung Galaxy, and More
  • Quality Throughout:Built adventure-tier touch with superior durability and scratch resistance, PowerCore Slim 10000 is premium both inside and out.
  • Slim Size, Big Power:One of the slimmest and lightest 10,000mAh portable chargers on the market. Provides 2.25 charges for iPhone 12, 1.6 charges for Galaxy S20 and 1.2 charges for iPad mini 5.
  • Versatile Charging: Anker's exclusive PowerIQ and VoltageBoost technology combine to detect and deliver a tailored charge up to 12W, while the trickle-charging mode is the best way to charge low-power devices.
  • Superior Safety:Anker’s comprehensive MultiProtect safety system includes overcharge protection, short circuit protection, temperature control, and more.
  • What You Get: PowerCore Slim 10000 portable charger, Micro USB cable (USB-C cable and Lightning cable not included), travel pouch, welcome guide, lifetime* $25,000 connected equipment warranty, and friendly customer service. *For the purpose of this connected equipment warranty, "lifetime" is defined as the lifetime of the product.
Rank No. #2
Anker USB-C Portable Charger, 18W PowerCore Slim 10000 PD, 10000mAh Power Delivery Power Bank for iPhone 12/Mini/X/XR/XS Max, S10, Pixel 3/3XL, iPad Pro 2018, and More (Charger Not Included)
  • Portable Power: PowerCore Slim 10000 PD is one of our slimmest PD power banks yet, with enough cell capacity to provide more than two charges for iPhone XS or Google Pixel, and almost one full charge for an 11" iPad Pro.
  • Triple Charging Modes: 18W Power-Delivery USB-C port, PowerIQ-enabled USB-A port, and trickle-charging mode for low-power devices. Use the dual USB ports to charge two devices simultaneously.
  • Rapid Recharge: Power up your PowerCore in just 4.5 hours with a USB-C Power Delivery wall charger (not included).Recharging via USB-A charger and cable (not included) will take approximately 10.2 hours.
  • Quality Throughout: With a sleek matte exterior and cool-blue LED light-wheel to display battery level, PowerCore Slim 10000 PD is premium both inside and out.
  • What You Get: PowerCore Slim 10000 PD portable charger, USB-C cable (Micro USB cable, USB-A to C cable and Lightning cable not included), travel pouch, welcome guide, our worry-free 18-month warranty, and friendly customer service.
SaleRank No. #3
USB C Power Bank, 26800mAh Portable Charger USB C, Charmast Slim Thin 3A High-Speed Battery Pack Type C with 3 Input & 4 Output Compatible with MacBook, iPhone, Samsung, Pixel More
  • 🔋【High Capacity Portable Cell Phone Power Banks】: 26800mAh large capacity external battery can charge your smartphone at least 5 times, ipad mini 3 times, 2017/2016 Macbook 2 times. and it needs only 9 hours to fully charge this Charmast portable phone charger, great for charging cellphones and tablets
  • 🔋【3A High-speed Charging USB C Portable Charger】: 4 SmartE identification USB outputs (1 3A USB C + 3 USB A) can automatically detect and adjust the charging current to obtain the fastest charging, provide a powerful total current output of 5.4A to charge 4 devices (a USB-C device and three USB-A devices) simultaneously, the versatile USB-C port can supply a powerful 3A current by itself, also supports fast in and out. Long lasting portable charger for iphone Samsung Pixel More
  • 🔋【Slim and Compact Battery Pack with 4 LED lights】: Slim form with only 0.55in thickness, makes it comfortable to hold, fully rubber oil surface cover let you enjoy a good touch feeling and protect your devices from scratched or dropped. A must have battery packs for cell phones tablets more. Built-in 4 Minimalist LED indicator shows remaining battery level at a glance (0--25%--50%--75%--100%)
  • 🔋【External Battery Pack's Smart Protection Technology】: UL 2056 certified battery pack, large usb c portable charger built-in intelligent safeguards protect your devices against excessive current, overheating, overcharging, has short circuit protection, more safe to use
  • 🔋【Support Service Of Backup Battery】: 12 months. Any problems please feel free to contact us via amazon message email with your ORDER number
Rank No. #4
Triple USB Outputs Super Slim Power Bank Ultra Thin, Attom Tech 5000mAh Mini Portable Charger External Phone Battery Pack Small Dual USB Outlet, Emergency Phone Power Backup
  • [Thin but Powerful, Fast Charge 3 Devices Simultaneously] - Pocket Size 0.3" x 2.7" x 5.2", Light Weight only 0.23 lbs. It's compact size is perfect for every day use. It can be put into pocket easily.
  • [Fast Charge] - 2.1A Maximum output for fast charge.
  • [200% Extended Battery Life] - With this battery bank, you no longer have to worry about your battery life throughout the day and night! This power bank charges most phones 2 times.
  • [Ultra Safety] - Intelligent Control Circuit which protects your devices from over-charging, over-current, over-voltage, short circuit and more, ensures your safe and stable charging. This device is also certificated by FCC, CE, CCC, Rohs.
  • [Warranty] - 1 Year Attom Tech Warranty. 100% MONEY BACK GUARANTEE
Rank No. #5
TNTOR 5000mAh Ultra Thin Power Bank Wallet Charger [only 6mm] Compact External Slim Battery Charger for Android & iPhone
  • 🔋[Ultra-silm] 5000mAh Power Bank only 6mm thin, easy to stow in your pocket or wallet.
  • 🔋[High Performance Battery]: 5000mAh Premium Cell Phone Battery Cell: 2x Charging speed,suitable for iPhone iPad Air Phone Samsung HUAWEI XIAOMI OPPO VIVO HTC.
  • 🔋[Technical Info]: Output: 5V / 2A. Input: micro USB 5V / 1.5A.
  • 🔋[Security]: Premium battery cells and Smart IC. Several protection circuits provide protection against short circuit, overheating, overdischarge and overcharge. CE, FCC, RoHS certified.
  • 🔋[High Capacity]: TNTOR 5000mAh Power Bank can charge 9 times for AirPods, 2 times for iPhone 8, 1.3 times for iPhone X, 1.1 times for Galaxy Note8.
SaleRank No. #6
TOZO WB1 PD Portable Charger 10000mAh Slim and Light Fast Power Bank 18W High Charging Speed External Battery Pack with USB C Input/Output Compatiable for iPhone,iPad,Samsung, Black
  • 【High Charging Speed 】Powerful 18W PD output for exhilarating charging speeds.Moreover, just taking one PD cable of the newest iPhone, bring your new iPhone back to 50% in as quickly as 30 minutes.
  • 【Ultra-High Capacity】 Contains the 10000mAh Capacity. Fully charge your iPhone 11 for 3 times, iPhone 8 for 3 times,iPhone SE for 4 times,or Samsung S10 for 2 times.Suitable for business, travel, you don't have to worry about your phone low battery.
  • 【Light and Compact】Exquisite and portable, handheld size and lightest 10000mAh portable charger.Unique Aluminium alloy design with frosted metal case, high-end texture, Anti-Fingerprints design, more cleanly on its surface when you hold it in any places.
  • 【Safe to Charge & Built to Last】Apply high quality Li-ion battery cells, safe and reliable, stable function.Built-in security devices protect your devices from excessive power, overheating, overcharging and short circuit protection.
  • 【Highly compatible】Suitable for all phones, tablets. (Note: The package comes with a micro USB cable used to charge the power bank and some Android phones. If your phone requires a Lighting cable and a Type C cable, please use your phone cable.)
SaleRank No. #7
TNTOR Ultra Thin Power Bank Built in Cable Portable Power Charger 5000mAh Wallet & Pocket Size [only 6mm] Slim Compact External Battery Charger Only Suitable for iPhones
  • 🔋 [Ultra-thin] It is only 6 credit cards thick and weight of about two AirPods. Can be put in a wallet or pocket. Shell is made of high quality steel and piano paint, smooth and comfortable to touch.
  • 🔋 [Built-in lightning Cable] Built-in lightning Cable for output, so you can charge without having to prepare a separate cable.
  • 🔋 [Capacity and Specification] 5000mAh high quality lithium polymer cell, which can charge AirPods 9 times, iPhone 8 2times , iPhone X 1.3times, iPhone 11 1.1times. Size: 124.5 * 66 * 6mm, Weight: 115g. Input: 5V/1.5A, Output: 5V/1.5A
  • 🔋 [Suitable for commuters] Simple appearance, Piano paint-like texture, business design, ideal for business and commuting.
  • 🔋 [Warranty] The warranty period of the purchased product is 12 months from the date of purchase. Within 3 months from the date of purchase, the product will be replaced or refunded free of charge for any defects that may occur in the normal use of the customer.
Rank No. #8
Portable Charger 2-Pack 10000mAh Power Bank Odec High Capacity Power Bank Ultra Slim External Phone Battery Pack with Dual Input & Output for iPhone 12 Pro, Galaxy S10, Pixel 4, (Black + White)
  • 【10000mAh Capacity】: This reliable pocket-sized power bank boasts a generous 10000mAh rechargeable battery with ultra-fast 2.4A charging ports, and a maximum 2.4A recharge rate. Use one pack and keep the other as a back-up
  • 【Dual Input & Output】: Equipped with dual inputs of Micro USB and Type-C, you can recharge your power bank more convenient using the included Type C cable or Micro USB cable. The dual outputs allow you to charge two devices simultaneously and four white LED lights indicate the devices current battery level
  • 【Slim & Portable】: One of the slimmest portable phone chargers on the market. Compact with a contemporary design, it will easily fit into your pocket or bag - perfect for the home, office, or taking on vacation
  • 【Safe & Efficient】: Features built-in safeguards to protect your devices against overcharging, overheating, and excessive current. Charge multiple devices simultaneously with no risk
  • 【Reliable Lithium Polymer Battery】: The lithium polymer battery pack makes this charger safer than other lithium ion chargers. Moreover, it is lighter and thinner, so you can easily carry it with you even on an airplane.
Rank No. #9
Wireless Portable Charger, Slim 13800mah Dual QC4.0 Fast Charging Power Bank, 15W Wireless Charging 25W PD Quick Charging Battery Pack, External Battery Charger Compatible with iPhone, Samsung, iPad
  • 【Slim Size, Big Power】: 13800 mAh portable chargers, slim size easy to put in the bag, no burden to carry. Provides 2.6 charges for iPhone 12 pro, 1.8 full charges for Galaxy S10 and 1.3 charges for iPad mini 5.Its compact and smooth design fits comfortably into the palm of your hand and the minimalist LED indicator shows the remaining power at a glance.
  • 【15W Max Wireless Charging】: Wirless power bank supports 5W, 7.5W,10W and 15W Max wireless fast charging, No cables required, simply place your Qi-CERTIFIED phone or accessory on the center of the charger pad for an easy wireless charge [Within 5mm thickness].
  • 【Dual QC4.0 Output, 25W PD Fast Charging】Dual QC4.0 output ports can realize fast charging of 2 devices at the same time.Power Delivery 4.0 output and Quick Charge 4.0 output combine to deliver an optimized charge to your devices at up to 25W. Compared with non-fast charging power bank, save more than half of the time.
  • 【4 Output -Charge 4 Devices At Once】Power bank with 4 Output Ports - QC4.0 output x 2,PD output, and wirless charging , which means the portable charger can charge 4 mobile phones at the same time.UL-2056 Certified Li-on Battery combines Dual Protect Chips to make a reassuring airline approved portable charger.
  • 【What You Get】You will get H H·E·T·P Wireless Portable Charger [slim 13800mAh], User manual, Micro USB cable [Not include Type C cable], AND 24 month warranty policy and 24 hours friendly customer service.In the unlikely event that something goes wrong with the product, please do not hesitate to contact us. We will do our best to provide warranty service.
Rank No. #10
Dual USB Output Super Slim Power Bank Ultra Thin, Attom Tech 3000mAh Portable Charger Mini External Phone Battery Pack Small Dual Outlet,Emergency Phone Power Backup (White)
  • [Smallest 3000mah Power bank] - Pocket Size 0.35" x 2.1" x 3.3", Light Weight only 2.2 Oz. It's compact size is perfect for every day use. It can be put into pocket easily.
  • [Fast Charge Two Devices Simultaneously] - 1 USB C and 1 USB output to charge 2 devices at the same time.
  • [150% Extended Battery Life] - With this battery bank, you no longer have to worry about your battery life throughout the day and night! This power bank charges most phones 1.5 times.
  • [Ultra Safety] - Intelligent Control Circuit which protects your devices from over-charging, over-current, over-voltage, short circuit and more, ensures your safe and stable charging. This device is also certificated by FCC, CE, CCC, Rohs.
  • [Warranty] - 1 Year Attom Tech Warranty. 100% MONEY BACK GUARANTEE

How Do You Buy The Best Slim Power Bank of 2021?

Do you get stressed out thinking about shopping for a great Slim Power Bank? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching Slim Power Bank, which is why we have assembled a comprehensive list of the greatest Slim Power Bank available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Slim Power Bank that you consider buying. Your questions might include the following:

  • Is it worth buying an Slim Power Bank?
  • What benefits are there with buying an Slim Power Bank?
  • What factors deserve consideration when shopping for an effective Slim Power Bank?
  • Why is it crucial to invest in any Slim Power Bank, much less the best one?
  • Which Slim Power Bank are good in the current market?
  • Where can you find information like this about Slim Power Bank?

We’re convinced that you likely have far more questions than just these regarding Slim Power Bank, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Slim Power Bank, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Slim Power Bank. Make sure that you are only using trustworthy and credible websites and sources.

We provide an Slim Power Bank buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Slim Power Bank currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of Slim Power Bank has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features:What bells and whistles matter for an Slim Power Bank?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Slim Power Bank.
  5. Customer Ratings: Number ratings grade Slim Power Bank objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Slim Power Bank.
  7. Product Quality: You don’t always get what you pay for with an Slim Power Bank, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Slim Power Bank is should be an indication of how long it will work out for you.

We always remember that maintaining Slim Power Bank information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Slim Power Bank is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.