Slimmest Portable Charger: Your Pocket-Friendly Power Ally

We have researched 13 portable chargers for you.

In an era where mobile devices are our constant companions, keeping them charged up and ready to go is more important than ever. Portability becomes a paramount concern when it includes the lifeline to our work, social networks, and entertainment. For those who despise bulk and crave sleek design, finding a power source that doesn't weigh you down can be a major priority.

Understanding this need, we've tested a multitude of options to bring you a lineup of chargers that combine the best of both worlds: ultra-thin profiles with enough juice to keep your gadgets going. These are the ultimate companions for anyone on the move, offering the perfect balance between convenience and capacity.
To simplify the price comparison, we determine the prices for the individual articles on Amazon, Ebay and other shops and link the offers via partner links where applicable. This means that we receive a commission if you buy something that we recommend - the price does not change for you.

What to Look for in Slimmest Portable Chargers

Important criteria

  • Compact size
  • Lightweight design
  • High battery capacity
  • Fast charging capability
  • Durability
  • Compatibility with your devices

1.) Battery Capacity

When looking for the slimmest portable charger, one of the most critical factors to consider is battery capacity, measured in milliampere-hours (mAh). The capacity should be sufficient to charge your devices as needed. For most smartphones, a minimum of 5,000 mAh is a good starting point, allowing at least one full charge. However, if you plan to charge multiple devices or have a tablet or larger smartphone, opt for higher capacity units. Balance the desire for a slim design with the need for enough power to last through your typical usage.

2.) Physical Dimensions and Weight

The dimensions and weight of a portable charger are integral to its portability. A slimmer charger is easier to carry and more likely to fit into tight spaces like pockets or small bags. Check the product specifications for the exact measurements and weight to ensure it meets your portability requirements. Keep in mind that as battery capacity increases, so typically do size and weight, so find a charger that strikes the right balance for your needs.

3.) Charge Output and Connectivity

The output of a portable charger determines how quickly it can charge your device. Look for chargers with at least one high-output port (2A or more) for fast charging capabilities. Additionally, consider the variety and type of output ports it offers, such as USB-A, USB-C, or Lightning, to ensure compatibility with your devices. Modern chargers may feature smart charging technology to optimize power delivery for different devices safely.

4.) Build Quality and Additional Features

The build quality of a portable charger is important, especially for a slim model that might be prone to more wear and tear. Look for durable materials and a sturdy construction. Additional features such as LED indicators for battery level, pass-through charging, which allows you to charge devices while the charger itself is being charged, and safety protections against overcharging and short-circuiting are also valuable. Prioritize chargers with certified safety standards for peace of mind.

The Slimmest Portable Chargers of our Choice

Our Pick
Charmast Portable Charger
Charmast Portable Charger
Model: W1056 Type/Color: H Purple
  • Fast 5V 3A USB C output input.
  • Compatible with Android and iPhone.
  • 2 inputs (USB C and Micro) and 3 outputs.
  • 10400mAh capacity, slim design for portability.
  • Smart LED digital display for accurate battery level.
  • Safe and reliable with multiple certifications.
$ 21.99 *
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on Amazon
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on Ebay
2
TORRAS MiniMag Power Bank
TORRAS MiniMag Power Bank
Model: MS19 Type/Color: Glacier Gray Size: 5,000mAh
  • Ultra-compact & lightweight: only 0.3 inches thin.
  • High-capacity lithium-polymer battery provides up to one charge.
  • Super fast charging - up to 100% in 2 hours.
  • Magnetic charging - no need for cables.
  • Long-lasting durability - can be charged 500 times.
  • Battery won't age within 3 years of use.
  • Equipped with advanced safety features.
  • Backed by 1300+ patents and 40+ awards.
  • Certified by FCC, UL, TUV, DOE, CEC, UN, RoHS.
  • Comes with 18 months warranty and lifetime support.
$ 42.99 *
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on Amazon
Price Pick
CaseSack Case for INIU Portable Charger
CaseSack Case for INIU Portable Charger
Type/Color: Black Size: small
  • Perfectly fits CaseSack Case for INIU Portable Charger
  • Fashionable and compact design protects charger and cord
  • Semi-hard case shields against shock, shake, and scratches
  • User-friendly with elastic strap to hold charger and mesh pocket
  • Worry-free guarantee and 100% refund with quality problem
$ 14.86 *
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on Amazon
4
AquaVault Ultra Thin Emergency Phone Charger.
AquaVault Ultra Thin Emergency Phone Charger.
Type/Color: Black Size: Wired
  • Fits in your wallet for easy portability
  • Fast charge technology with 2300mAh battery capacity
  • Built-in charging cables for convenience
  • LED power indicator lights for battery status
  • Sleek stainless steel design for durability
$ 69.95 *
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on Amazon
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on Ebay
5
WeeFancy Mini Portable Charger for iPhone
WeeFancy Mini Portable Charger for iPhone
Model: VT103C Type/Color: Black Size: 1 Count (Pack of 1)
  • Ultra-Compact and Lightweight for unparalleled portability
  • Built-In Cables for ultimate convenience, no more tangled cords
  • Fast Charging & Efficient Recharging with Dual PD 3.0 and QC 3.0
  • Universal compatibility with popular smart devices
  • Exclusive Technology for device protection and safety
  • Package Content: 10000mAh Power Bank x 1, User Manual x 1.
$ 25.99 *
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on Amazon
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on Ebay
6
LUCKYDUO Ultra Slim Magnetic Portable Charger 5,000mAh
LUCKYDUO Ultra Slim Magnetic Portable Charger 5,000mAh
Model: KL-YD45 Type/Color: Rose Gold Size: 10.5*6.5*0.8cm
  • Thinnest & Card-Sized: Only 0.3-inch slim, 4.1 oz light
  • MiniCell technology for identical charging performance with fewer components
  • Charge in a Snap: 7.5W fast magnetic wireless charging
  • Strong Magnetic Lock prevents slipping and allows one-handed use
  • PD20W Pass-Through Charging: Fast charging, supports charging while using
  • Designed for iPhone 15/14/13/12 Series and compatible cases
$ 39.99 *
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on Amazon
7
Taegila Small Portable Charger iPhone 5000mAh
Taegila Small Portable Charger iPhone 5000mAh
Model: EB612 Type/Color: A Black iOS
  • 5000mAh LCD Display Charger
  • LCD displays battery numerically for easy monitoring
  • MFi certified lightweight charger with big capacity
  • Ideal for travel and outdoor activities
  • Adjustable 4 Modes LED Light
  • LED lantern with warm, white and SOS flashing modes
  • Perfect for selfies and emergency situations
  • For All iPhone and AirPods
  • Integrated connector and battery for convenient charging
  • Compatible with various iPhone and AirPods models
  • Fast Recharging Function
  • Recharge 50% power in 30 mins
  • Supports pass-through charging
  • Equipped with heat insulation chip for safety
  • Customer Satisfaction
  • Professional after-sales team for assistance
  • Thinner and smaller charger for portability
  • Reliable charging for iPhone anywhere
  • What You Will Get
  • Portable charger, USB-C charge cable and user manual included
  • Remove phone case if thickness exceeds 4mm
  • Fully charge power bank after first use
$ 17.99 *
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on Amazon
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on Ebay
8
INIU Portable Charger
INIU Portable Charger
Model: BI-B6 Type/Color: Black2 Size: 1 Count (Pack of 1)
  • Safe charging with over 38 million global users
  • 22.5W speedy charging, 2X faster than traditional chargers
  • 10,000mAh capacity in slim and lightweight design
  • USB C In & Out port for iPhones and USB C devices
  • Multiple charges for various devices (Samsung S8, iPhone 8, AirPods Pro, iPad Mini)
  • Compatible with devices of all sizes and trickle-charging mode
  • Package includes battery pack, cable, pouch, manual, guarantee, warranty, and support
$ 19.79 *
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on Amazon
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on Ebay
9
Auskang Portable Charger with Built in USB
Auskang Portable Charger with Built in USB
Model: WT-H362 Type/Color: Black Size: 4.9*2.59*0.24 inch
  • Built-in cable for iPhone 15 series and USB-C.
  • Ultra slim: 4.96*2.63*0.26 inch, 4.6 oz.
  • Universal compatibility for iPhone 14 series, AirPods.
  • 5000mAh battery capacity for daily use.
  • Product warranty with 1 year warranty option.
$ 20.99 *
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on Amazon
10
VEEKTOMX Portable Charger with Built-in Cables
VEEKTOMX Portable Charger with Built-in Cables
Model: VT101 Type/Color: 10000mAh Black Size: 10000mAh
  • Portable charger with Built-in Cables
  • Built-in iPhone, USB C, USB-Micro cables
  • Compatible with iOS, Android devices, tablets
  • Compact, lightweight with adjustable strap cable
  • Two ways of recharging via USB A, Type C
  • Charge up to 5 devices simultaneously
  • Exclusive safeguards to protect devices from overcharging
  • Package includes Power Bank, User Manual
$ 23.98 *
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on Amazon
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on Ebay
11
VRURC Portable Charger with Built-in Cable
VRURC Portable Charger with Built-in Cable
Model: T1173 Type/Color: Black Size: 3.6*3.23*0.7 inch
  • Built-in cables for charging a variety of devices
  • Fast charging at QC22.5W/PD20W
  • Fast re-charge in 2.5 hours
  • Airline-approved safety with intelligent safeguards
  • Charge small devices like MP3 players, AirPods, and more
  • Pocket-sized and lightweight for easy carrying
  • LED digital display accurately shows power levels
  • Reliable support service for 12 months
$ 32.99 *
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on Amazon
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on Ebay
12
TOZO PB3 Portable Charger 10000mAh One
TOZO PB3 Portable Charger 10000mAh One
Model: PB3 Type/Color: Black
  • High charging speed with 18W PD output
  • Ultra-high 10000mAh capacity for multiple charges
  • Light and compact, portable with unique design
  • Safe charging with high quality Li-ion battery cells
  • Highly compatible with various phones and tablets
$ 29.98 *
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on Amazon
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on Ebay
13
Charmast Slim Portable Charger
Charmast Slim Portable Charger
Model: C05S Type/Color: G-Pink
$ 29.99 *
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on Amazon
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on Ebay
* All prices incl. VAT, plus shipping if applicable. Prices, delivery times and costs may change in the meantime. The selection of products was made independently of the manufacturer and without any claim to completeness. All links to products are external partner links through which we may receive compensation. All information without guarantee.

Top Picks for the Slimmest Portable Chargers

Budget-Conscious Buyers
For those who want to keep their devices powered on the go without breaking the bank, we've selected the most cost-effective slim chargers. These options provide a balance of portability and affordability.
Tech Enthusiasts
Tech aficionados seeking cutting-edge slim portable chargers will be delighted by our curated list. We highlight chargers that blend ultra-portability with the latest charging technology.
Frequent Travelers
Travelers require portable chargers that are both slim and durable. Our recommendations focus on lightweight, compact options that easily fit into any travel bag, ensuring your devices stay charged.
Style-Conscious Users
For those who value aesthetics as much as utility, our selection includes the sleekest portable chargers. These are designed to be both functional and fashionable, complementing any device.

Questions You Might Ask

When buying a portable charger, consider its battery capacity (measured in milliampere-hours, mAh), the type of battery used (most commonly lithium-ion or lithium-polymer), size and weight for portability, output charging speed (measured in amperage, A or wattage, W), number of output ports, and compatibility with your devices. Additionally, look at the build quality and any extra features such as solar charging, waterproofing, or built-in cables.
To determine the battery capacity you need, check the battery size of the device you want to charge. For example, if your smartphone has a 3,000mAh battery, a portable charger with at least 3,000mAh can recharge it fully once. However, it's recommended to get a charger with a higher capacity (e.g., 5,000mAh or more) to account for energy loss during the transfer and to charge your device multiple times.
The number of output ports matters if you plan to charge multiple devices at the same time. More ports provide the convenience of charging several devices, but ensure that the portable charger can deliver adequate power to each device simultaneously without drastically reducing the charging speed.
Lithium-ion batteries are typically more cost-effective and have a higher energy density, meaning they can store more power in a smaller space. Lithium-polymer batteries are generally lighter, can be shaped to fit different designs, and are less prone to leaking. Both have good recharge rates and longevity, but lithium-polymer batteries may offer a safer and more flexible solution for portable chargers.
When using portable chargers, safety is important. Look for chargers with built-in safety features like short-circuit, overcharging, and overheating protection. Avoid exposing the charger to extreme temperatures, and always use cables that are in good condition and compatible with your devices. It’s also important to buy chargers from reputable brands that comply with safety standards.

Currently Active Poll

How to Choose the Slimmest Portable Charger

In today's fast-paced world, staying connected is more than a convenience; it's a necessity. But as our reliance on smartphones and tablets grows, so does the need for power on the go. Enter the slim portable charger – your sleek, on-the-move lifeline to a fully charged device. In this guide, we'll navigate through the features, specs, and tips to help you select the perfect ultra-slim power bank that suits your lifestyle without adding bulk to your pocket or purse.

Understanding Capacity and Power

When it comes to portable chargers, capacity is king. Measured in milliampere-hours (mAh), capacity dictates how much charge the device can hold, thus determining how many times it can juice up your gadgets. Aim for a power bank that offers a capacity sufficient to recharge your device at least once, keeping in mind the battery size of your smartphone or tablet.
However, a higher capacity often results in a bulkier charger, so the challenge lies in finding the balance between power and portability. Look for chargers that utilize high-density batteries to maximize capacity while minimizing size. Also, note the power output, measured in watts (W), as it affects charging speed – the higher the number, the quicker the charge.
It's essential to mention that the available capacity may vary due to efficiency losses. Pay attention to the energy conversion rate, often indicated as a percentage. The closer it is to 100%, the more effective the portable charger is at delivering its stored power to your device.

Size and Portability Factors

The allure of a slim power bank lies in its ease of transportation, allowing you to carry less while doing more. The thickness, length, and width are crucial dimensions to consider, especially if you want the charger to slip unnoticed into a pocket or a clutch. Materials also play a part in the device's weight and durability – look for lightweight yet sturdy construction like aluminum or high-grade plastic.
In choosing the slimmest power bank, there's often a trade-off between portability and extra features. Some ultra-slim models may forgo additional ports or fast-charging technologies to maintain a sleek profile. Decide what's more important for your daily use and whether you're willing to sacrifice some functionality for a more compact design.
Furthermore, aesthetics shouldn't be overlooked. A stylish charger that complements your personal and professional ensemble can be just as crucial as its functional aspects. Sleek lines, minimalist design, and an appealing color palette can turn a simple device into a fashion statement.

Connectivity and Compatibility

Ensure your slim portable charger has the right connections for your devices. Most come with standard USB-A ports, but with many devices moving towards USB-C, you may want to opt for a charger offering both types. Moreover, if you own Apple devices, check if the charger supports Lightning cables or consider a model with a built-in cable for convenience.
Wireless charging is also a consideration. Some slim portable chargers feature this technology, allowing you to power up compatible devices without any cords at all. This can be especially handy for quick, hassle-free charging, though it may add a bit of thickness to the unit.
Compatibility extends beyond physical connections. Verify that the charger can support the charging protocols required by your devices, such as Qualcomm's Quick Charge or USB Power Delivery. This ensures optimal charging speeds and proper handling of your device's battery health.

Safety and Durability

Never compromise on safety for the sake of slimness. Reputable brands incorporate multiple layers of protection against overcharging, overheating, and short-circuiting. Check for certifications like UL, CE, or FCC to ensure the charger meets established safety standards. Additionally, a quality slim charger should have a robust build to withstand daily wear and tear, as well as smart features to enhance the longevity of both the charger and your device's battery.
Durability isn't just about what's on the inside. The external material of the charger should resist scratches and be able to cope with being tossed in a bag or dropped on a hard surface occasionally. Some models may come with a carrying pouch or case, which is a nice add-on for keeping your charger in pristine condition.
Lastly, consider the warranty and customer service reputation of the manufacturer. A company that offers a substantial warranty period and responsive customer support reflects confidence in their product's quality and their commitment to customer satisfaction.

Price and Brand Considerations

With a myriad of options available, prices for slim portable chargers can vary significantly. It's important to set a budget and understand that investing in a slightly more expensive model may offer better quality, features, and reliability in the long run. Be wary of extremely cheap options, which might cut corners in areas that affect performance and safety.
The brand of the charger can give you an indication of its quality. Established brands with a solid reputation in the market are usually a safer bet than unknown manufacturers. They often offer better warranties, customer service, and consistent product quality. Moreover, user reviews and tech forums can provide invaluable insight into real-world experiences with the charger you're considering.
Remember that the most expensive or most popular brand isn't always the best choice for your specific needs. Focus on the features that are most important to you, such as size, battery capacity, or additional functionalities, and compare how different brands and models stack up against those criteria.

Hands-on Reviews and Recommendations from Discussion-Boards

In this section, we've carefully compiled some of the most valuable resources on the topic of the slimmest portable chargers. To aid your decision-making, we're providing a curated list of links, categorized into four distinct types: expert reviews, forum discussions, Reddit threads, and informative videos. Each category has been chosen to offer you a diverse perspective from various platforms to help ensure that you have access to well-rounded information.
Need to keep your devices going while you're on the go? The best portable chargers to keep them juiced up.
Read more | Helpful?
The Crave Plus is a mix of old and new in a really thin design.
Read more | Helpful?
Upgrade your on-the-go charging game with one of the best portable Android chargers around.
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I am using a power bank just to recharge my garmin watch on short trips (2-4 nights). My current battery pack is the smallest I could find...
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I have a RAVPower powerbank -
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Here are some I've been looking at: Anker PowerCore Slim 10000/20000 mAh. Dizaul 10000 mAh solar charger. Charmast Slim Thin 26800 mAh.
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INIU Portable Charger, USB C Slimmest & Lightest Triple 3A High-Speed 10000mAh · INIU Portable Charger, 22.5W PD3.0 QC4.0 Fast Charging LED ...
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Lightweight USB power bank hunt · 10 000 mAh · It is tiny · Not the lightest, nearing 180g, but still pretty light - same weight as yours but 2x...
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Review: [2 Pack] INIU Portable Charger, Slimmest & Lightest ...
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Today we review the [2 Pack] INIU Portable Charger, Slimmest & Lightest Triple 3A USB C High-Speed 10000mAh Power Bank , Phone External ...

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