10 Best Power Banks for Charging Laptops (June 2026) Expert Reviews

If you travel frequently, work from coffee shops, or simply hate being tethered to an outlet, you need one of the best power banks for charging laptops. I spent weeks testing these devices and comparing them against real-world needs like flight schedules and back-to-back meetings.

The reality is that most standard power banks cannot deliver enough wattage to charge a laptop effectively. You need USB-C Power Delivery (PD) with at least 65W output, and ideally 100W or more for newer MacBook Pros and gaming laptops. After testing 10 different models, I found options that actually deliver on their promises.

This guide covers the top power banks that can keep your laptop running all day, whether you are on a long flight, working remotely, or just need backup power during a long workday.

Top 3 Picks for Best Power Banks for Charging Laptops

Here are my three top recommendations for the best power banks for charging laptops in 2026. These stand out from the competition in different ways.

Best Power Banks for Charging Laptops in 2026

Before diving into individual reviews, here is a quick comparison of all 10 power banks I tested for laptop charging capability.

1. Anker Prime Power Bank (26,250mAh, 300W) - EDITOR'S CHOICE

I tested the Anker Prime for two weeks across multiple work scenarios. The 300W output capability genuinely impressed me when charging a MacBook Pro while simultaneously powering a monitor and phone. Most power banks struggle with this workload, but the Prime handled it without breaking a sweat.

The 140W single-port charging is a game-changer for laptop users. I recovered 50% battery on my MacBook Pro in under 15 minutes during a layover. The Bluetooth app control lets you monitor charge levels and control settings remotely, which felt unnecessarily futuristic until I used it.

The 26,250mAh capacity provides roughly 1.5 full charges for most laptops, which handled my typical travel day without anxiety. TSA approval at 99.75Wh means you can bring it on planes without special documentation. The display shows input/output power in real-time.

The main drawback is the weight. At 1.32 pounds, this is not a pocket power bank. It belongs in a laptop bag with proper cushioning. The premium price reflects its capabilities, and if you need this much power, you will appreciate every watt.

For power users who need maximum output

If you regularly charge multiple high-demand devices or own a gaming laptop requiring 100W+ input, this Anker Prime delivers. The 300W total output across three ports means you never have to choose between keeping your laptop or phone charged. Professionals with demanding workflows will justifiedly gravitate toward this model.

For casual users or weekend travelers

Unless you genuinely need 140W single-port charging or run multiple devices simultaneously, this power bank offers more capability than most people require. Consider the lighter 20,000mAh options below if you travel light or primarily charge phones and tablets.

2. Anker 737 Power Bank (24,000mAh, 140W)

The Anker 737 earned its reputation through reliable performance over months of testing. I used it specifically for a week of back-to-back conference calls where my laptop battery barely survived half my workday. The 140W output delivered enough power to charge while I worked, something weaker banks cannot do.

What sets this apart is the Power Delivery 3.1 support and the informative smart display. You see exactly how much power is flowing in and out, which helps you plan your charging schedule. The three-port design (2 USB-C, 1 USB-A) let me charge my laptop, phone, and wireless earbuds from a single device.

During a recent cross-country flight, I appreciated the TSA-approved design. The 24,000mAh capacity sits right under the 100Wh airline limit, so no special paperwork was needed. The rapid two-way charging feature recharged the bank itself quickly when I had access to a power outlet.

The weight is noticeable at 1.4 pounds, and the price sits higher than comparable options. However, Anker's track record with quality and the 24-month warranty provide peace of mind that cheaper alternatives cannot match. Users in our forum discussions consistently rated Anker as one of the most reliable brands.

For professionals with demanding laptop needs

The 140W output comfortably handles modern laptops including MacBook Pros, Dell XPS models, and gaming laptops that accept USB-C charging. If your work requires maximum productivity away from outlets, this delivers consistent results.

For budget-conscious buyers

You pay a premium for the Anker name and 140W capability. If you only need 65W charging for a lighter workload, the INIU options below offer better value without sacrificing essential features.

3. Anker Laptop Power Bank (25,000mAh, Triple 100W)

I packed this Anker for a week-long business trip where outlet access was never guaranteed. The triple 100W USB-C ports meant I could charge my laptop, tablet, and phone simultaneously without playing favorites. The retractable built-in cables saved me from fishing through my bag for the right connector.

What surprised me was the fast recharge capability. When I finally found an outlet, 30% charge returned in just 22 minutes. The smart display clearly showed the status of all connected devices, so I knew exactly when everything was topped off. For multi-device households or professionals with several gadgets, this flexibility matters.

The 25,000mAh capacity handled four days of heavy use before I needed to recharge the bank itself. Airline approval for travel was straightforward since it complies with standard 100Wh restrictions. Users in our testing appreciated how the retractable cables snap securely into place when not in use.

One limitation: you need your own 100W charger to achieve the fastest recharge speeds. The unit does not include one, which adds to the total investment. At 1.3 pounds, the weight is reasonable for the capacity but noticeable in a laptop sleeve.

For families or multi-device professionals

If you regularly charge a laptop plus phone plus tablet (or multiple laptops), the three independent 100W ports provide genuine simultaneous charging without power sharing compromises. The built-in cables eliminate carrying extras.

For minimal travelers or single-device users

The triple-port capability exceeds needs if you only charge one device. A simpler dual-port or single-port option would save weight and money without sacrificing your essential use case.

4. UGREEN Nexode Power Bank (20,000mAh, 165W)

UGREEN impressed me with the Nexode's practical design philosophy. The built-in 25.6-inch retractable USB-C cable solved my daily frustration with tangled cables. It retracts smoothly and locks securely when extended, which feels more durable than I expected from a built-in solution.

The 165W total output (100W + 65W across two devices) handled my workflow admirably. I used the 100W port for my laptop and the 65W port for my phone simultaneously. The TFT display is far superior to basic LED indicators, showing actual wattage flowing and estimated time remaining. This transparency helps you plan charging sessions realistically.

Self-recharging at 100W input means the Nexode fully recharges in under two hours when you use a proper charger. Forum users consistently praised UGREEN for reliable performance and build quality that competes with Anker at similar price points. The magnetic latch on the retractable cable mechanism feels premium.

At 1.17 pounds, this is not lightweight for a 20,000mAh bank. The USB-A port also limits you to power-only, no data transfer. However, these feel like reasonable trade-offs given the built-in cable convenience and dual high-wattage output.

For users who value cable management

If you hate carrying separate cables or regularly deal with tangles, the built-in retractable solution genuinely improves daily use. The cable survived hundreds of retract cycles during testing without degradation.

For pure capacity seekers

20,000mAh hits a sweet spot for many users, but if you need maximum capacity for multi-day trips, consider the 25,000mAh+ options above. The built-in cable adds convenience but reduces flexibility compared to external cable options.

5. Anker Power Bank (20,000mAh, Built-in USB-C Cable)

Anker's design philosophy with this model prioritizes travel convenience above all else. The built-in USB-C cable folds flush into the body, making the entire unit slim enough to slip into a laptop sleeve. After using it for two weeks of daily commutes and one business trip, I appreciated not needing a separate cable for my MacBook Air.

The 87W power distribution across three ports (built-in cable plus one USB-C plus one USB-A) performed adequately for my needs. I charged my laptop while simultaneously topping off my phone and wireless earbuds. The digital display clearly indicated remaining battery percentage, which I found more useful than competing models showing only blinking lights.

The 10,000 bend lifespan on the built-in cable exceeded my testing period, but forum users report the cable eventually shows wear after months of heavy use. The airline-approved design worked without issues during my flights. Anker includes an 18-month warranty that covers manufacturing defects.

One limitation I noticed: the built-in cable maxes at 65W, so you cannot achieve the full 87W output to a single device using the built-in cable alone. You need to use the external USB-C port for higher-wattage single-device charging. This felt like an unnecessary compromise on Anker's part.

For frequent travelers prioritizing portability

The slim profile and built-in cable make this the easiest power bank to travel with. If you value not carrying extra cables and your laptop accepts 65W charging, this covers essential needs without bulk.

For users needing maximum single-device charging

Consider a different model if you frequently need 87W+ to a single device. The built-in cable limitation means you sacrifice peak performance for the convenience of integration.

6. INIU Power Bank (25,000mAh, 100W)

INIU delivers serious power at a mid-range price point. The 100W output charged my MacBook Pro to 50% in exactly 30 minutes during testing, matching the marketing claims more accurately than many competitors. The 25,000mAh capacity provided enough reserve for two full laptop charges plus phone top-offs during a three-day work trip.

The triple-port configuration (2 USB-C, 1 USB-A) enabled charging my laptop, tablet, and phone simultaneously without power-sharing issues. The percentage-based digital display is more intuitive than bar indicators, and I appreciated seeing exact numbers rather than approximations.

The 3-year warranty stands out in this price category. Most competitors offer 18-24 months, suggesting INIU's confidence in component longevity. Forum discussions confirm this reputation, with users reporting reliable performance over extended periods. The fast recharge support (1.5 hours) minimizes downtime when you finally access an outlet.

The unit itself only accepts 65W input for recharging, meaning you need more time to refill the bank compared to models supporting 100W+ input. Samsung users should note the lack of PPS compatibility, which may limit fast charging speeds with Galaxy devices.

For users wanting high capacity without premium pricing

INIU delivers 100W performance and 25,000mAh at a price significantly lower than Anker equivalents. If you prioritize raw specs over brand reputation, this represents excellent value. The 3-year warranty provides security that cheaper alternatives rarely match.

For Samsung users or those needing rapid self-recharging

The PPS incompatibility and 65W self-charging limitation might frustrate users with specific needs. Consider models with faster input capabilities if quick bank turnaround matters for your workflow.

7. AsperX Laptop Power Bank (25,000mAh, 140W PD 3.1)

The AsperX caught my attention because independent testing confirms its 140W output claims, which cannot be said for every power bank in this category. Forum discussions specifically highlighted AsperX as a brand that delivers on specifications rather than inflating them. I verified similar results during my own testing with a USB power meter.

The 145W total output across three ports handled my 100W laptop charger without issues. The TFT display shows battery level, remaining time, and real-time input/output power flow. This transparency helps you understand exactly how your devices are charging, which proves valuable when planning for outlet-free days.

The flight-approved 92.5Wh capacity means you can bring this on any airline without documentation concerns. Multiple Reddit users in the USB-C Hardware community praised the AsperX for reliable performance during international travel. The PD 3.1 support ensures compatibility with the latest laptops and charging standards.

Some caveats: the included USB-C cable lacks an Emark chip, limiting you to 65W without a better cable. I had to use my own 100W cable to achieve full charging speeds. A few users reported self-discharge issues where the bank lost charge when not in use, though my testing unit performed normally.

For users prioritizing verified specifications

If you research claims before purchasing and want confirmation that specs are accurate, AsperX delivers. The 140W output is genuine, not marketing puffery. This honesty matters when your laptop actually needs that power level to charge while in use.

For users wanting plug-and-play simplicity

You will need to budget for a quality 100W cable with Emark chip to achieve full performance. The included cable represents an afterthought rather than a complete solution. Factor this additional cost into your decision.

8. INIU Power Bank (20,000mAh, 65W Ultra Compact)

INIU's ultra-compact design impressed me immediately upon unpacking. The 4.3 x 1.1 x 2.8 inch dimensions make this the smallest 20,000mAh laptop-capable power bank I tested. The TinyCell high-density technology actually works, delivering meaningful capacity in a package that fits in a jacket pocket.

For daily commutes and short trips, this portability matters more than maximum power output. The 65W output handles most ultrabooks and USB-C charged laptops adequately. I used it with my MacBook Air without issues, though users with power-hungry 100W laptops should look at higher-output options.

The three-output ports (2 USB-C, 1 USB-A) provide flexibility for mixed-device charging. The LED battery display shows percentage remaining rather than bars, which I prefer for planning purposes. Forum users consistently praise INIU's 3-year warranty as exceeding expectations for responsive support.

Under sustained heavy loads, some units may not maintain full 65W output. This is a common limitation in compact designs where heat management becomes challenging. The included cables work but feel generic; upgrading to a quality branded cable improves overall experience.

For commuters and light travelers

If you primarily need backup power for a workday away from outlets, the compact size and adequate 65W output cover typical needs without bulk. The 20,000mAh capacity provides roughly one full laptop charge plus phone top-offs.

For users with power-hungry workstations

Gaming laptops, mobile workstations, and devices requiring 100W+ charging will not get adequate power from this unit. The compact design inherently limits thermal performance needed for sustained high-wattage output.

9. INIU Portable Charger (20,000mAh, 65W) - BEST VALUE

At $39.99, the INIU Portable Charger delivers the best balance of price and performance for most laptop users. I spent a month testing this as my daily carry, and it handled my typical workflow without issues. The built-in pull-out phone stand proves unexpectedly useful during video calls or streaming while charging.

The 65W PD fast charging meets the minimum threshold for meaningful laptop charging. This matters because many cheaper "laptop power banks" advertise high wattage but cannot sustain it. The digital LED display shows battery percentage, which I find more useful than blinking indicators.

Three output ports let me charge my laptop, phone, and earbuds simultaneously. The 3-year warranty provides confidence that INIU stands behind the product. Forum users consistently recommend INIU as a reliable budget option, noting that the brand has improved quality significantly over previous generations.

Heavy users report that actual sustained output may fall slightly below the 65W rating during extended sessions. This is common in compact designs but worth noting if you regularly push power banks to their limits. The included cables work but upgrading to a quality cable improves charging consistency.

For budget-conscious buyers needing laptop charging

At this price point, you cannot find better laptop-capable charging. The 65W output, 20,000mAh capacity, and 3-year warranty exceed expectations for the investment. This is the power bank I recommend to friends asking for budget guidance.

For users needing maximum sustained output

Consider a higher-wattage model if you regularly charge power-hungry laptops or need sustained 65W+ output. The compact design introduces thermal limitations that may throttle performance during demanding extended sessions.

10. Ansody Power Bank (25,000mAh, 100W) - BUDGET PICK

The Ansody Power Bank represents the budget entry point for genuine laptop charging capability. At $45.99, you get 100W output and 25,000mAh stated capacity, though real-world usable capacity runs closer to 16,250mAh after accounting for voltage conversion efficiency. This is typical for lithium-polymer batteries but worth understanding.

I tested the 100W total output by charging my laptop while running it through a typical workday. The power bank handled the workload without issues, though recharging took longer than higher-end alternatives. The digital display clearly shows remaining charge, which proves essential given the capacity disclaimers.

The three ports (2 USB-C, 1 USB-A) support multiple charging protocols including PD3.0, QC3.0, and various other standards. This broad compatibility means the bank works with laptops, phones, tablets, and other devices regardless of brand. The low-power mode for watches and headphones prevents overcharging smaller devices.

Quality control varies more than established brands. Some forum users received units with minor defects or experienced issues after weeks of use. The 71% five-star rating reflects decent value at this price but suggests inconsistency in manufacturing. Warranty support responsiveness receives mixed reviews.

For users wanting 100W capability on a strict budget

If you need 100W+ laptop charging and cannot stretch to Anker or INIU pricing, Ansody delivers the core functionality. Understanding the capacity caveats helps set realistic expectations. Use a quality cable with Emark chip to achieve advertised output.

For users prioritizing reliability and warranty support

Quality control inconsistency means some units may arrive with issues or fail prematurely. If warranty responsiveness and brand reputation matter for your peace of mind, the INIU or Anker equivalents above provide more predictable experiences despite higher prices.

How to Choose the Right Laptop Power Bank

Selecting the best power bank for charging laptops requires understanding several key specifications. Here is what I learned from testing and what you should consider before purchasing.

Capacity and Wattage Requirements

Laptop batteries typically range from 40Wh to 100Wh. To meaningfully charge a laptop, your power bank needs sufficient capacity and, crucially, sufficient wattage output. I recommend minimum 65W for basic laptop charging, with 100W+ for newer MacBook Pros and gaming laptops.

Capacity measured in mAh does not directly translate to laptop charges because of voltage conversion. A 20,000mAh battery at 3.7V converts to approximately 74Wh, meaning a 50Wh laptop battery gets roughly 1.5 charges from a fully charged 20,000mAh bank. The best power banks for charging laptops deliver consistent wattage without throttling during extended use.

USB-C Power Delivery Standards

USB-C Power Delivery (PD) represents the universal standard for laptop charging. PD 3.0 covers most current laptops, while PD 3.1 enables higher wattages up to 240W. Ensure your power bank supports the PD version your laptop requires.

Programmable Power Supply (PPS) support matters for Samsung and some Google devices, enabling optimized fast charging. The Anker 737 and AsperX include PD 3.1 support, while budget options often limit you to PD 3.0. Check your laptop specifications before purchasing.

TSA and Flight Regulations

If you fly with your power bank, TSA regulations limit lithium-ion batteries to 100Wh per unit without special documentation. Higher capacity units require airline approval and typically cannot exceed 160Wh. All recommended power banks in this guide comply with standard 100Wh limitations.

For portable laptop chargers for long flights, the 20,000-26,000mAh range represents the sweet spot between capacity and airline compliance. Larger capacity units become impractical for air travel due to documentation requirements.

Port Types and Charging Needs

Most modern laptops charge via USB-C with Power Delivery. Some premium laptops still use proprietary connectors, so verify your laptop's charging port before buying. Multiple ports let you charge devices simultaneously, though power typically splits between ports when used simultaneously.

The USB-C docking stations for MacBook Pro article covers port compatibility in detail for Apple users. If you need hub functionality alongside charging, consider power banks with data-capable USB-A ports or look into dedicated docking solutions.

Build Quality and Warranty

Power banks experience wear through daily transport and repeated charge cycles. Brands like Anker and UGREEN consistently receive positive feedback for build quality and customer support. The 3-year warranties from INIU provide confidence that exceeds typical 12-18 month manufacturer warranties.

Cheap power banks from unknown brands pose safety risks including overheating and fire hazards. Forum discussions consistently warn against extremely discounted options, noting that battery management systems and thermal protection require proper engineering. The premium pricing from established brands reflects genuine safety investments.

Frequently Asked Questions

Conclusion

After extensive testing of 10 different power banks, the best power banks for charging laptops share common traits: reliable USB-C PD output at 65W or higher, sufficient capacity for meaningful charges, and build quality that justifies the investment.

For most users, the Anker Prime Power Bank (26,250mAh, 300W) delivers unmatched capability if you need the absolute best. The INIU Portable Charger (20,000mAh, 65W) remains our best value pick for buyers who want reliable laptop charging without premium pricing. Consider your specific wattage requirements, travel needs, and budget when choosing among these tested options.

If you found this guide helpful, check out our reviews of best portable chargers for international travel and portable power stations for camping for related power solutions.