PowerBankExpert.com is reader-supported. If you purchase products via the links on our site, we might earn affiliate commissions.

5 of the Best Ultra-Slim Power Banks

Ultra-slim power banks are the best alternative to the usually bulky and heavy options you’re generally able to find. These are portable chargers that you can easily fit in tight spaces. They’re also generally lighter than the regular power banks.

So how do you find one that is best suited for your needs? To help you out, we have put together a list of some of the best options we were able to find after thorough research.

That said, let’s jump to the list right away.

1. PlusUs LifeCard 1500mAh

PlusUs LifeCard 1500mAh

  • Capacity: 1500 mAh
  • Thickness: 0.15in
  • Weight: 5 ounces
  • Ports: USB-C or Lightning

Last update on 2022-11-25 / Affiliate links / Images from Amazon Product Advertising API

The LifeCard by PlusUs is the world’s slimmest power bank with only 0.15 inches of thickness. It is lighter than most smartphones and about as thick as three credit cards stacked together, so you can easily fit it in your wallet. However, don’t let its sleek design fool you into thinking that it’s fragile.

It comes with a laser-welded stainless steel frame that can withstand ordinary shocks and drops without breaking. Additionally, if you like to travel in style, you can go for the 20 karat gold or 18 karats rose gold plating to add some more charm to its design.

Even though it’s super sleek, LifeCard is equipped with a decent-sized 1500mAh battery that can charge your phone for an extra four hour of usage. Additionally, it supports fast-charging up to 1A and comes in two variants with either a built-in USB-C or Apple MFi certified output port.

The device itself can be charged with micro-USB input and you can check the battery levels on the integrated LED indicator light.

  • World’s slimmest power bank
  • Strong steel frame
  • Available in multiple colors
  • Average battery capacity

2. TNTOR 5000mAh Ultra Thin Power Bank

TNTOR 5000mAh Ultra Thin Power Bank

  • Capacity: 5000 mAh
  • Thickness: 0.23in
  • Weight: 4.1 ounces
  • Ports: Either USB-C or Micro USB

Last update on 2022-11-25 / Affiliate links / Images from Amazon Product Advertising API

The TNTOR Ultra Thin Power Bank is an excellent high-capacity device that weighs only 4.1 ounces, making it extremely portable. It comes in a glossy black finish that blends in with all smartphone designs and colors.

It is equipped with a massive 5000 mAH battery that can charge your phone multiple times. In terms of connectivity, you get a single USB-A output port and an option to choose between a USB-C or a Micro USB input port for charging.

TNTOR power bank also allows fast charging with a power output of 2A that is compatible with most devices. Apart from charging your smartphone quickly, the power bank itself takes less than four hours to charge to give a full day of uninterrupted power supply.

What we liked most about this power bank is the inclusion of several safety chips that protect your device against overheating and short-circuiting. So you can charge your phone without worrying about any damage.

  • Option for USB-C or Micro USB
  • Supports Fast Charging (2A)
  • Smart IC & short circuit protection
  • Low life expectancy

Read the full product review

3. Attom Tech 5000mAh Mini Portable Charger

Attom Tech 5000mAh Mini Portable Charger

  • Capacity: 5000NmAh
  • Thickness: 0.3 inches
  • Weight: 3.87 ounces
  • Ports: 2 x USB-A + 1 x USB - C

Last update on 2022-11-25 / Affiliate links / Images from Amazon Product Advertising API

If you are looking for an ultra-slim power bank that can charge multiple devices at once, the Attom Tech Super Slim Power Bank is an excellent option for you. It weighs only 3.87 ounces and is sleek enough to fit into your pocket but still manages to offer an impressive 5000mAh of battery capacity.

You can use this power bank to charge up to three devices simultaneously. It also supports 2.1A fast charging that can charge all the connected devices quickly. The power bank itself can be fully recharged within three hours with a 2A charger, so you never run out of power while traveling.

Attom Tech’s power bank features 4 LED lights that tell its battery percentage, so you’ll know when it’s time to plug it into a charger. Along with this, you’ll never have to worry about overcharging or short circuits, thanks to the intelligent control circuit built into this power bank.

  • Can charge three devices at once
  • Intelligent Control Circuit for device safety
  • Has both USB-A and USB-C ports
  • Average build quality

4. Luxtude PowerEasy 5000mAh

Luxtude PowerEasy 5000mAh

  • Capacity: 5000mAh
  • Thickness: 0.31in
  • Weight: 4.9 ounces
  • Ports: MFi Certified Lightning

Last update on 2022-11-25 / Affiliate links / Images from Amazon Product Advertising API

The Luxtude PowerEasy is an ultra-slim power bank specifically designed for Apple products. It comes with a built-in Apple-certified MFi lightning cable that works for all iPhone models ranging from the 12 Pro Max to the SE. This cable also supports 2.1A Apple fast charging.

The PowerEasy power bank has a 5000mAh battery capacity which is enough to charge an iPhone up to 2.5 times, depending on the model you use. That being said, you will need a micro USB cable to charge this device which might be a hassle for some Apple users.

The highlighting feature of this power bank is its innovative bypass technology that allows you to charge your phone and the power bank simultaneously.

Luxtude PowerEasy is built with a premium aluminum alloy case that is sturdy enough to handle light hits and drops. Additionally, it is available in three different color options to fit the style of your smartphone.

  • MFi certified by Apple
  • Safe UL certified Li-Polymer battery
  • Built-in cable
  • Can charge phone and power bank simultaneously
  • It can only be used with Apple iPhones

5. Charmast Delivery 26800mAh

Charmast Delivery 26800mAh

  • Capacity: 26800 mAh
  • Thickness: 0.56 inches
  • Weight: 15.2 ounces
  • Ports: 1 USB-C + 1 USB 3.0 + 2 USB A

Last update on 2022-11-25 / Affiliate links / Images from Amazon Product Advertising API

If you don’t like charging your power bank every day and want one that has a large battery, the Charmast Delivery is the best option on our list. What makes it stand out is its dual-battery design that has a capacity of 26800mAh! That is enough to charge an iPhone 11 more than eight times and a MacBook Air twice.

These large batteries come packed in a slim body that is covered in a rubber oil surface, making it smooth and scratch-resistant. Along with the power bank, you also get a Type-C to Type-C cable, 2 Micro USB cables, and an extra adapter, which lets you charge your devices on the go.

Another great feature about this power bank is that it comes with multiple output ports which helps you take advantage of its high battery capacity. The output ports consist of 1 USB C PD + 1 QC 3.0 + 2 USB A, which you can use simultaneously. Its innovative technology automatically detects and adjusts its output current to deliver optimal charging speed for all the connected devices.

Additionally, it also features a Type-C input port apart from the micro-USB that allows you to charge it with any smartphone charger quickly. All in all, if you are looking for a slim power bank that is powerful enough to charge a laptop, the Charmast Delivery is a great option to consider.

  • Large battery capacity
  • It comes with both USB-C & Micro USB cables
  • Soft and scratch-resistant rubber surface
  • Multiple input and output options
  • Quite heavy

Pros and Cons of Ultra-Thin Power Banks


If you’re still not sold on the idea of purchasing a slim power bank, here are a few pros that will help you decide.

  • Ultra-thin power banks such as LifeCard by PlusUs are very portable and you could even fit them in your wallet. They don’t take up much space and are ideal partners for people who travel a lot.
  • They are usually less expensive as compared to their bulky counterparts.
  • If you’re looking to make a style statement, a sleek power bank will definitely make a great addition to your workspace.


Like all good things in life, ultra-thin power banks have some drawbacks too. Even though they are not something that will hold you back in any way, we believe in covering all the aspects of a product to help you make a well-informed purchase.

  • Usually, slim power banks have less battery capacity as compared to traditional ones. If you have a high-capacity smartphone, you might only get 2-3 full recharges out of your power bank.
  • If you want to charge heavy devices such as your laptop with a power bank, you’re better off buying a bulky alternative with high-power output. However, slim power banks such as the Charmast Delivery do break this mold with their massive battery life.


If you are still thinking about which ultra slim power bank to purchase from this list, here are some of the best among the options we have mentioned.

  • If you are looking for the most compact and sleek device to carry around with you all the time, the PlusUs LifeCard is the best option. It has a decent amount of battery life and is slim enough to fit in your wallet.
  • If you are an iPhone user looking for a power bank, the Luxtude Portable Charger will not disappoint you. It has a built-in lightning cable and is Apple certified for iPhone fast charging.
  • If you are looking for a powerful power bank that can even charge a laptop, you should check out the Charmast Delivery power bank. It has a huge 26800mAh battery that can last you multiple days on a single charge.

We hope you found the perfect ultra slim power bank on this list.