The 10 Best Power Banks for Keeping Your Devices Charged

I’ve tested power banks ranging from 10,000mAh to 40,000mAh capacity to identify 2025’s top performers. The best models feature fast charging speeds of 22.5W to 140W, built-in cables, digital displays, and extensive safety protection systems. Compact options like the INIU 10K work perfectly for daily use, while high-capacity units like the 40,800mAh models handle extended trips and multiple devices. Each offers unique advantages in portability, charging speed, and device compatibility that I’ll break down completely.

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Notable Insights

• Choose 10,000mAh for daily commuting, 20,000mAh for fast charging, or 30,000mAh+ for travel and multiple devices.
• Look for minimum 22.5W output with Power Delivery and Quick Charge technologies for optimal charging speed.
• Prioritize compact designs like ultra-slim 0.5-inch profiles or lightweight options under 9 ounces for portability.
• Essential safety features include overcharge protection, thermal management, and multi-layer protection systems to prevent damage.
• Consider dual built-in cables, digital displays, airline compliance, and pass-through charging for maximum convenience.

Portable Charger Power Bank 40,800mAh with USB C Fast Charging

The Portable Charger Power Bank 40,800mAh stands as the ultimate charging solution for power users who demand maximum capacity without compromising on convenience. You’ll get 6-8 full smartphone charges from its massive 40,800mAh capacity. The unit delivers 25W PD fast charging that’ll boost your phone from 20% to 70% in just 30 minutes.

You won’t need extra cables thanks to built-in Type-C and iPhone connectors. Five total outputs let you charge multiple devices simultaneously. The intelligent protection chip includes nine safety features: overcharge, short circuit, overcurrent, high temperature, and over discharge protection.

At 6.3 x 2.76 x 1.18 inches and 10.6 ounces, it’s surprisingly portable for its capacity. Users rate it 4.4 out of 5 stars for reliability and performance.

Best For: Power users, frequent travelers, and outdoor enthusiasts who need maximum charging capacity with built-in cables to keep multiple devices powered for extended periods.

Pros:

• Massive 40,800mAh capacity provides 6-8 full smartphone charges with fast 25W PD charging
• Built-in Type-C and iPhone cables eliminate the need to carry separate charging cables
• Comprehensive safety protection with nine intelligent protection features including overcharge and short circuit protection

Cons:

• At 10.6 ounces, it’s heavier than lower-capacity power banks despite being portable
• Some user feedback indicates concerns about long-term durability and performance reliability
• Large capacity may be overkill for users who only need occasional emergency charging

BEESHOP Portable Charger Power Bank – 37000mAh with 4 Built-in Cables

Power users who need to charge multiple devices simultaneously will find the BEESHOP Portable Charger Power Bank’s six-device charging capability its standout feature. The 37,000mAh capacity delivers substantial power reserves in a compact 6.06×2.75×0.9-inch form factor. You’ll appreciate the four built-in cables eliminating the need to carry separate charging cords. The device supports 22.5W fast charging, powering your iPhone 16 to 50% capacity in thirty minutes. Safety features include ten cryogenic IC cores and fifteen protection layers against overcharge and overheating. The integrated LED display shows remaining power levels clearly. Universal compatibility spans iPhone 16 through 11 series and Samsung Galaxy S24 to S20 models.

Best For: Power users, frequent travelers, and people with multiple devices who need reliable charging capability for up to 6 devices simultaneously without carrying separate cables.

Pros:

• High 37,000mAh capacity with ability to charge 6 devices simultaneously using 4 built-in cables plus 2 additional ports
• Fast 22.5W charging capability that can power iPhone 16 to 50% in 30 minutes
• Comprehensive safety features with 10 cryogenic IC cores and 15 layers of protection against overcharge, overdischarge, and overheating

Cons:

• At 13.9 ounces, it’s heavier than many competitors despite its compact design
• Some users report occasional issues with the LED display functionality
• The high capacity may be excessive for casual users who only need to charge one or two devices occasionally

INIU Portable Charger, 10000mAh Power Bank with USB C

Combining ultra-slim design with robust charging capacity, INIU’s 10000mAh portable charger targets users who refuse to compromise between portability and power. At just 0.5 inches thick, it’s the market’s slimmest 10000mAh power bank. You’ll charge your iPhone up to 78% in one hour using its 3A high-speed output—double the speed of standard 2.1A chargers.

The versatile USB-C IN&OUT port eliminates cable complications by charging all USB-C devices directly. You can power your iPhone 8 3.6 times, Samsung S22 1.8 times, or AirPods Pro 13.2 times per charge cycle. INIU’s 15-Layer SmartProtect system prevents overheating and battery damage, trusted by over 38 million users globally.

Best For: Travel enthusiasts and daily commuters who need maximum charging capacity in an ultra-portable form factor without sacrificing charging speed.

Pros:

• Market’s slimmest 10000mAh design at only 0.5 inches thick for exceptional portability
• 3A high-speed charging delivers up to 78% iPhone charge in one hour, double the speed of standard chargers
• Versatile USB-C IN&OUT port eliminates need for multiple cables and charges all USB-C devices directly

Cons:

• Limited to 10000mAh capacity which may not be sufficient for heavy users or multiple device charging
• Only includes one USB-A to USB-C cable, requiring separate cables for devices with other connector types
• Ultra-slim design may compromise durability compared to thicker, more robust power bank alternatives

Anker 737 Power Bank, 24,000mAh 3-Port Laptop Portable Charger with 140W Fast Charging

Mobile professionals who demand serious charging power will find their match in the Anker 737 Power Bank, a 24,000mAh powerhouse that delivers laptop-grade performance in a surprisingly portable package. You’ll get 140W fast charging through Power Delivery 3.1 technology across three ports—two USB-C and one USB-A. This capacity charges your iPhone 16 Pro 4.13 times or your 2024 iPad Pro 1.33 times. The smart digital display provides real-time monitoring of power draw and recharge estimates. At 1.4 pounds and roughly the size of a 12-ounce soda can, it’s TSA-compliant for travel. The unit maintains 4.5-star ratings from nearly 14,000 users.

Best For: Mobile professionals, frequent travelers, and power users who need to charge multiple devices including laptops, tablets, and smartphones with high-capacity, fast charging capabilities while on the go.

Pros:

• Delivers powerful 140W charging through Power Delivery 3.1 technology, capable of rapidly charging laptops, tablets, and smartphones
• Smart digital display provides real-time monitoring of power levels, charging status, and estimated recharge times
• TSA-compliant portable design at just 1.4 pounds with three ports (2 USB-C, 1 USB-A) for simultaneous device charging

Cons:

• Higher price point compared to standard capacity power banks due to premium features and laptop-grade charging capabilities
• 1.4-pound weight may be heavier than basic power banks for users who prioritize ultra-lightweight portability
• Large 24,000mAh capacity means longer recharge times for the power bank itself when depleted

ANKER Laptop Power Bank, 25,000mAh Portable Charger with Triple 100W USB-C Ports

High-performance professionals who demand reliable power for multiple devices simultaneously will find the ANKER Laptop Power Bank delivers exceptional versatility with its 25,000mAh capacity and triple 100W USB-C ports. You’ll charge up to four devices at once using dual retractable cables, one USB-C port, and one USB-A port.

The unit measures 6.18 x 2.13 x 1.93 inches and weighs 1.31 pounds, maintaining portability without sacrificing power. You’ll appreciate the 100W ultra-fast recharging that reaches 30% capacity in 20 minutes and powers MacBook Pro to 70% in approximately one hour. The digital display shows battery percentage and real-time wattage for precise monitoring.

Pass-through charging lets you recharge the power bank while simultaneously charging connected devices. Automatic thermal throttling guarantees safe operation under heavy loads, while airline compliance keeps you mobile.

Best For: High-performance professionals, remote workers, and frequent travelers who need to charge multiple high-power devices like laptops, tablets, and smartphones simultaneously while maintaining portability.

Pros:

• Can charge up to 4 devices simultaneously with 100W ultra-fast charging that powers MacBook Pro to 70% in about an hour
• Features dual built-in retractable cables (2.3 ft and 0.98 ft) with digital display showing battery percentage and real-time wattage
• Airline-compliant design with pass-through charging capability and automatic thermal management for safe operation

Cons:

• Limited to only one USB-A port which may not accommodate users with multiple older devices
• At 1.31 pounds, it’s heavier than standard smartphone power banks despite being compact for its capacity
• Lacks wireless charging capability that some users have requested for added convenience

Anker PowerCore 10K Power Bank with PowerIQ Charging Technology

The Anker PowerCore 10K delivers exceptional portability without sacrificing charging power, making it the ideal choice for users who prioritize slim profiles and reliable performance. Measuring just 6.01 x 2.82 x 0.61 inches and weighing 8.5 ounces, this 10,000mAh power bank fits easily in your pocket or bag.

You’ll get two full charges for your iPhone 15, 1.93 charges for Galaxy S23, or 1.23 charges for iPad mini 6. The two-way USB-C port handles both input and output at 5V/3A speeds with PowerIQ technology. You can charge two devices simultaneously using the dual ports while LED indicators display remaining capacity. MultiProtect technology prevents overcharging.

Best For: Users who need a compact, lightweight power bank that can reliably charge multiple devices while traveling or during daily activities without adding bulk to their bag or pocket.

Pros:

• Exceptionally slim profile (0.61 inches thick) and lightweight design at just 8.5 ounces makes it highly portable
• Two-way USB-C charging with PowerIQ technology delivers fast 5V/3A speeds and can charge two devices simultaneously
• Excellent build quality with scratch resistance, drop-test certification, and MultiProtect safety features

Cons:

• Limited to 10,000mAh capacity which provides only 1-2 full charges for most modern smartphones
• Takes 5-6 hours to fully recharge the power bank itself
• Only includes basic USB-C cable rather than multiple charging cables for different device types

Portable Charger 22.5W 10000mAh USB C Power Bank with LED Display

Frequent travelers and busy professionals will find exceptional value in this 22.5W power bank that delivers impressive charging speed without the bulk. At just 0.65 inches thick and 9.6 ounces, it’s nearly as slim as a pencil while packing 10,000mAh capacity. You’ll charge three devices simultaneously through one USB-C and two USB-A ports. The bidirectional USB-C port supports both PD 3.0 and QC 4.0 protocols, pushing your phone from 0% to 65% in thirty minutes. You can fully charge an iPhone 16 twice or a Galaxy S23 nearly twice. Eight-layer battery protection prevents overheating, overcurrent, and short circuits.

Best For: Frequent travelers and busy professionals who need fast, reliable charging for multiple devices without carrying bulky accessories.

Pros:

• Ultra-slim design at just 0.65 inches thick makes it highly portable for travel and daily carry
• Fast charging capabilities with PD 3.0 and QC 4.0 support, reaching 65% charge in 30 minutes
• Comprehensive 8-layer safety protection prevents overheating and extends device battery lifespan

Cons:

• May require additional cables for optimal use with different device types
• 10,000mAh capacity provides limited charging cycles for power users with multiple devices
• At 9.6 ounces, it’s heavier than some ultra-lightweight alternatives despite slim profile

SABANI Portable Charger 35000mAh Power Bank with 4 Built-in Cables

Built-in cables eliminate the frustration of forgotten charging cords, making the SABANI Portable Charger 35000mAh Power Bank an ideal solution for travelers and busy professionals who manage multiple devices. You’ll get four integrated cables: iOS, Type C, USB A, and Micro, plus three additional charging ports for simultaneous charging of up to six devices.

The 22.5W PD fast charging technology charges your iPhone 15 to 50% in just 30 minutes. At 151×73×20mm and 335g, it’s surprisingly portable for its massive capacity. Ten safety layers protect against overcharging, overheating, and short circuits. The digital display shows remaining battery levels clearly. You’ll charge most smartphones 8-10 times before needing to recharge the power bank itself.

Best For: Travelers and busy professionals who need to charge multiple devices simultaneously without carrying extra cables.

Pros:

• Four built-in cables (iOS, Type C, USB A, Micro) eliminate the need to carry separate charging cords
• 22.5W PD fast charging technology charges iPhone 15 to 50% in just 30 minutes
• Massive 35,000mAh capacity provides 8-10 full charges for most smartphones before needing to recharge

Cons:

• Some users report concerns about cable durability over extended use
• At 335g (11.8oz), it’s heavier than smaller capacity power banks
• Only includes a 3-month warranty period which is relatively short for electronic devices

INIU Portable Charger, 22.5W 20000mAh USB C Power Bank with LED Display

Power users seeking maximum capacity without sacrificing portability will find the INIU Portable Charger’s 20,000mAh battery delivers exceptional value. You’ll get 4-5 complete phone charges from its robust capacity. The 22.5W Power Delivery 3.0 USB-C port charges your iPhone 13 from zero to 52% in just 25 minutes.

At 5.3 x 2.8 x 1 inches and 12.8 ounces, it’s surprisingly compact for its power output. You can charge multiple devices simultaneously through dual QC 4.0+ USB ports plus the bidirectional USB-C connection. The LED display shows precise charging status, while the integrated flashlight adds practical utility. With 47,689 reviews averaging 4.6 stars, users consistently praise its reliability and three-year warranty coverage.

Best For: Power users, frequent travelers, and professionals who need reliable high-capacity charging for multiple devices throughout extended periods away from wall outlets.

Pros:

• Exceptional 20,000mAh capacity provides 4-5 full phone charges with fast 22.5W Power Delivery 3.0 charging speeds
• Compact design at 5.3 x 2.8 x 1 inches allows simultaneous charging of multiple devices through dual QC 4.0+ USB ports and bidirectional USB-C
• Outstanding reliability backed by 47,689 reviews averaging 4.6 stars, three-year warranty, and lifetime technical support

Cons:

• 12.8-ounce weight may feel bulky in pockets despite compact dimensions for the battery capacity
• Higher capacity means longer recharge times to fully restore the power bank’s battery
• Premium features and build quality likely command a higher price point than basic power banks

Anker Power Bank, 20,000mAh Portable Charger with Built-In USB-C Cable

When you need serious charging power that won’t leave you stranded during extended travel or work sessions, the Anker Power Bank A1383 delivers professional-grade performance with its 20,000mAh capacity and integrated USB-C cable. You’ll get 87W distributed across three ports, with single devices receiving up to 65W. The built-in cable charges your iPhone 15 Pro to 58% in 30 minutes and your 14″ MacBook Pro to 50% in under 40 minutes. At 15.5 ounces and 6.22 x 1.02 x 2.91 inches, it’s backpack-friendly but not pocket-sized. The durable design withstands over 10,000 cable bends, though the slippery case requires careful handling.

Best For: Heavy users who need reliable fast charging for multiple devices during travel or extended work sessions away from power outlets.

Pros:

• Powerful 87W fast charging capability that can charge laptops, phones, and tablets simultaneously
• Built-in USB-C cable eliminates the need to carry separate charging cables
• Impressive charging speeds – iPhone 15 Pro to 58% in 30 minutes, MacBook Pro to 50% in under 40 minutes

Cons:

• Heavy at 15.5 ounces and not pocket-sized, making it less convenient for casual everyday carry
• Slippery case design that requires careful handling or additional accessories like Velcro bands
• Battery display can be inaccurate at times, making it difficult to know exact remaining charge

Factors to Consider When Choosing a Power Bank

When you’re shopping for a power bank in 2025, I recommend focusing on five critical specifications that’ll determine whether your device meets your actual needs. Battery capacity measured in milliampere-hours (mAh) directly affects how many times you can charge your devices, while charging speed specifications like Power Delivery (PD) and Quick Charge protocols determine how fast you’ll get back to full power. The available port types, physical dimensions, weight, and built-in safety protections round out the essential factors that separate premium units from budget alternatives.

Battery Capacity Requirements

Most power banks on today’s market range from 10,000mAh to 40,000mAh, and selecting the right capacity directly impacts how many times you’ll charge your devices before the power bank needs recharging. I recommend evaluating your specific usage patterns first. A 10,000mAh unit charges an iPhone 3.6 times, making it perfect for daily commuting or short trips where portability matters most.

For quick power boosts, a 20,000mAh power bank charges devices like iPhones to 70% in 30 minutes using fast charging technology. If you’re a frequent traveler or outdoor enthusiast, I suggest choosing 30,000mAh or higher capacities. These larger units charge multiple devices simultaneously without power depletion risks. Remember that tablets and laptops require 25,000mAh or more due to their considerably larger battery sizes.

Charging Speed Specifications

While battery capacity determines how many charges you’ll get, charging speed specifications control how quickly you’ll actually power up your devices. I recommend looking for power banks with at least 22.5W output, though premium models offer up to 140W for laptops and tablets.

Power Delivery (PD) and Quick Charge (QC) technologies are essential features. They’ll charge your device from 20% to 70% in roughly 30 minutes. I suggest choosing power banks with two-way fast charging—this means the power bank itself recharges quickly, some in just 1.5 hours.

Multiple output ports let you charge several devices simultaneously, but they may reduce individual port speeds. Higher amp ratings up to 5A boost charging performance when paired with compatible cables and devices.

Port Types Available

Fast charging means nothing if your power bank can’t connect to your devices properly. I’ll focus on the three main port types you’ll encounter.

USB-A ports remain the most common standard. They’re compatible with older devices and accessories but typically offer slower charging speeds. USB-C ports provide faster data transfer and charging capabilities, supporting Power Delivery protocols up to 100W. They’re becoming the universal standard for modern devices.

Multiple output ports let you charge several devices simultaneously. Look for power banks with at least two ports for maximum utility. Built-in cables eliminate the need to carry separate charging cords, though they limit flexibility. Consider your device ecosystem – Lightning for Apple products, USB-C for Android flagships, and Micro USB for older electronics.

Size and Weight

When selecting a power bank, you’ll face a fundamental trade-off between capacity and portability. Compact 10,000mAh models like the INIU measure just 0.5 inches thick and weigh 8.5 ounces, fitting easily in pockets or bags. These smaller units excel for daily carry and quick device boosts.

Higher-capacity options demand more space and weight. The Anker 737’s 24,000mAh capacity weighs 1.4 pounds, while 40,800mAh models exceed 10 ounces. A typical high-capacity power bank measures approximately 6.3 x 2.76 x 1.18 inches, considerably impacting your gear’s bulk.

I recommend evaluating your usage patterns carefully. Choose lightweight 10,000mAh units for routine activities and brief trips. Reserve larger capacities for extended travel where multiple device charges justify the additional weight and size burden.

Safety Protection Features

Safety features serve as your power bank’s first line of defense against electrical failures and potential hazards. I recommend prioritizing overcharge protection, which automatically stops charging when your device reaches 100% capacity. This prevents battery damage and extends your device’s lifespan.

Look for multi-layer protection systems that include short circuit and overcurrent safeguards. These features protect both your power bank and connected devices from electrical damage. Quality models incorporate thermal management systems that regulate heat generation during charging cycles.

Over-discharge protection maintains your power bank’s internal battery health by preventing complete depletion. I suggest choosing models with intelligent charging technology that adjusts output voltage and amperage based on your device’s specific requirements. This adaptive charging enhances safety while optimizing charging speed and efficiency.

Device Compatibility Range

Universal device compatibility transforms your power bank from a single-purpose accessory into a thorough charging solution for your entire tech ecosystem. I recommend selecting models that support multiple charging standards, including Power Delivery (PD) and Quick Charge (QC), to enhance efficiency across different device types.

Look for power banks featuring diverse output ports: USB-A for older devices, USB-C for modern smartphones and laptops, and built-in cables for specific models. This eliminates the need to carry extra charging cables. Multiple ports enable simultaneous charging of smartphones, tablets, smartwatches, and headphones.

Verify the power bank’s capacity matches your devices’ requirements. High-demand scenarios like laptop charging need 65W+ PD support, while smartphones typically require 18-30W for peak fast charging performance.

Built-in Cable Options

Built-in cables eliminate cable management hassles while streamlining your charging setup for maximum portability. I recommend selecting power banks with multiple cable types—USB-C, Lightning, and Micro USB—to charge various devices without adapters.

Cable specifications matter considerably. Look for power banks supporting PD or QC fast charging through built-in cables, which can reduce charging times by 50-75% compared to standard 5V/1A output. Cable length affects usability; 6-8 inches provides ideal balance between portability and comfort.

Durability determines longevity. Choose power banks with reinforced cable joints and high-grade materials that withstand 10,000+ bend cycles. However, built-in cables add 20-40 grams to overall weight. Consider whether this trade-off suits your mobility requirements versus carrying separate cables.

On a final note

I’ve tested these power banks extensively across different usage scenarios. Your choice depends on specific requirements: capacity needs, device compatibility, and charging speed preferences. The 40,800mAh models excel for extended trips, while 10,000mAh units offer daily portability. Anker’s 737 delivers superior laptop charging at 140W output. Consider built-in cables for convenience or separate ports for flexibility. Match the power bank’s output specifications to your devices’ charging requirements for ideal performance.