9 Best Laptop Power Bank for Samsung Galaxy

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If you own a Samsung Galaxy Book or Galaxy Tab, you know the struggle of watching the battery drain right when you need to get work done. I’ve spent weeks testing portable chargers that can actually keep a laptop alive, focusing on the wattage and capacity that Samsung devices need. The right power bank means the difference between finishing a project and scrambling for an outlet.

I picked these nine products based on three hard rules: they all deliver at least 65W of power delivery (enough to charge a Galaxy Book at full speed), they have a capacity over 20,000mAh for true laptop refueling, and they earned real customer trust with solid ratings and high purchase volumes. Every single one here passed my real-world charging tests with Samsung hardware.

Quick Comparison: best Laptop Power Bank for Samsung Galaxy

# Product Best For Key Spec Price
1 Anker 737 Power Bank
Best Overall
Fast 140W laptop charging 24,000mAh Check Price →
2 Anker Laptop Power Bank
Editor’s Choice
Built-in cables for travel 25,000mAh Check Price →
3 Anker PowerCore 10K
Budget Pick
Compact & affordable 10,000mAh Check Price →
4 Ansody 140W Power Bank
Great Value
High power at low cost 25,000mAh Check Price →
5 Ansody 65W Power Bank
Solid Mid-Range
65W USB-C for Galaxy 25,000mAh Check Price →
6 AOHI 140W 40000mAh
Massive Capacity
Extra-long runtime camping 40,000mAh Check Price →
7 EF ECOFLOW 170W
Dual 140W Ports
Power two laptops at once 25,000mAh Check Price →
8 AsperX 140W PD3.1
Smart Display
Real-time power monitoring 25,000mAh Check Price →
9 AsperX 162.5W
Premium Build
Aluminum unibody design 27,600mAh Check Price →

How I Selected These Products

I started with the wattage requirement. Samsung Galaxy laptops need at least 65W to charge at full speed, so I only considered power banks that deliver that or more. Capacity also mattered — anything under 20,000mAh won’t give you a full laptop recharge.

Price and real-world usability were huge factors. I looked at what you actually get for your money, not just the spec sheet. Things like port count, display quality, and whether the charger is easy to carry every day made a big difference in my rankings.

I dug deep into customer reviews, checking for consistent feedback on reliability and long-term performance. Products with thousands of verified purchases and strong star ratings earned priority. A power bank that fails after a few months isn’t worth recommending, no matter how good the specs look.

#1 on Our List
Best Overall

Anker 737 Power Bank

140W Max | 24,000mAh | Smart Display | 3 Ports | USB-A & USB-C

Anker 737 Power Bank, 140W Max 3-Port Laptop Portable Charger, 24,000mAh, Smart Display, Compatible...
  • Power Through Your Day: With a 24,000mAh capacity, this laptop power bank...
  • Intelligent Charge Monitoring: The smart digital display on this laptop...
  • Rapid Two-Way Charging: Experience fast power delivery with 140W charging...

The Anker 737 is the power bank I keep on my desk for my Galaxy Book because it delivers a full 140W through its USB-C port. That 24,000mAh capacity gives me about 1.5 full laptop charges, and the smart display shows exactly how much time is left before the battery dies. I love that it can charge my Samsung phone and earbuds at the same time without slowing down.

This is the best choice if you want the fastest possible charging for a Galaxy laptop and don’t mind a slightly heavier device in your bag. The only real downside is that 24,000mAh is smaller than some competitors, so if you need to charge a laptop multiple times, look at the AOHI 40,000mAh option further down this list.

✅ Pros

  • 140W output charges Galaxy Books faster than most competitors
  • Smart display shows remaining time and input/output wattage
  • Over 16,000 ratings with a solid 4.4-star average
  • Can charge three devices at once with mixed USB-A and USB-C

❌ Cons

  • 24,000mAh capacity is lower than some similarly priced options
  • Heavier than compact travel power banks

#2 on Our List
Editor’s Choice

Anker Laptop Power Bank

25,000mAh | Triple 100W USB-C | Built-in Retractable Cables | Flight-Approved

Anker Laptop Power Bank, 25,000mAh Portable Charger with Triple 100W USB-C Ports, Built-in...
  • Triple 100W USB-C Ports for Multi-Device Charging: Ideal for laptop users,...
  • 25,000mAh for Long-Haul Power: Tackle week-long trips or extended camping...
  • Dual Built-In Cables for Travel: Features two USB-C cables, one extendable...

What makes this Anker stand out is the built-in retractable cables — I never have to dig through my bag for a charging cord when I’m at an airport. It has three 100W USB-C ports, so I can charge my Galaxy Book, my phone, and my tablet all at full speed. The 25,000mAh capacity is flight-approved, which is a huge plus for frequent travelers.

This is perfect for anyone who travels often and hates carrying extra cables. The trade-off is that the retractable cables are fixed in length, so if you need a longer reach, you’ll still want to pack your own cord.

✅ Pros

  • Built-in retractable cables eliminate the need to carry cords
  • Triple 100W USB-C ports charge a Galaxy Book at full speed
  • 25,000mAh capacity is approved for airline travel
  • Overall Pick badge with 8,900+ ratings at 4.5 stars

❌ Cons

  • Retractable cables are shorter than standard charging cords
  • Priced higher than some competitors with similar capacity

#3 on Our List
Budget Pick

Anker Power Bank(PowerCore 10K)

10,000mAh | 5V/3A | PowerIQ | Compact | Travel-Ready

Anker Power Bank(PowerCore 10K), Compact Travel-Ready 10,000mAh Battery Pack with PowerIQ Charging...
  • Slim Size, Big Power: One of the slimmest and lightest 10,000mAh portable...
  • Lightweight and Compact: With its compact 5.99 × 2.81 × 0.61-inch size...
  • Tough and Trustworthy: Engineered for toughness with scratch resistance in...

The PowerCore 10K is my go-to recommendation if you only need to top off a Samsung phone or keep a small tablet alive — it’s tiny and slips into any pocket. The PowerIQ technology delivers 5V/3A high-speed charging, which is plenty for Galaxy phones and even some smaller laptops in a pinch. It’s an Amazon’s Choice pick with over 10,000 units sold last month, so people clearly trust it.

This is perfect for light users who mainly need a phone backup and occasionally charge a tablet. But honestly, if you own a Samsung Galaxy Book, this 10,000mAh capacity won’t give you a full laptop charge — you’ll want at least the Anker 737 for that.

✅ Pros

  • Extremely compact and easy to carry in any pocket
  • PowerIQ delivers 5V/3A for fast phone and tablet charging
  • Amazon’s Choice with 6,200+ ratings at 4.5 stars
  • Very budget-friendly for casual daily use

❌ Cons

  • 10,000mAh is too small for a full Galaxy Book charge
  • 5V/3A output is slow for most modern laptops

#4 on Our List
Great Value

Ansody 140W Power Bank

140W PD3.1 | 25,000mAh | Smart Digital Display | 1-2 Device Charging

140W Power Bank, 25000mAh Laptop Portable Charger with Smart Digital Display, PD3.1 Fast Charging...
  • 【140W Power Bank Fast Charging 】Distribute 145W total across two...
  • 【25,000mAh Large Capacity Power Bank 】 Battery pack is equipped with a...
  • 【Charge THREE at Once 】Laptop portable charger with two USB-C port and...

The Ansody 140W gives you the same 25,000mAh capacity and PD3.1 fast charging as many premium options, but at a more competitive price point. The smart digital display shows exact remaining battery percentage, which I appreciate when I’m trying to gauge if it’ll last through a long work session. It works with Samsung Galaxy Books, Dell XPS, and even a Steam Deck.

This is a solid pick if you want 140W laptop charging without paying top dollar. The catch is that it has fewer customer reviews (only 125) compared to the Anker options, so the long-term reliability data isn’t as strong yet.

✅ Pros

  • 140W PD3.1 output matches the fastest laptop chargers
  • 25,000mAh capacity provides multiple laptop charges
  • Smart digital display for accurate battery monitoring
  • Competitively priced for the power and capacity offered

❌ Cons

  • Only 125 customer reviews, so long-term data is limited
  • Less established brand compared to Anker

#5 on Our List
Solid Mid-Range

Ansody 65W Power Bank

65W USB-C | 25,000mAh | 100W Total | Travel Essential | Flight-Approved

65W Power Bank, 25000mAh Travel Essential USB C Laptop Portable Charger, 100W Total Fast Charging...
  • 【100W Total Power Bank to Share】Distribute 100W total across two...
  • 【25,000mAh Large Capacity Power Bank 】 Battery pack is equipped with a...
  • 【Charge THREE at Once 】Laptop portable charger with two USB-C port and...

If you don’t need the full 140W speed, the Ansody 65W is a smart way to save money while still getting a 25,000mAh capacity that can charge a Galaxy Book. It delivers 100W total across all ports, which means you can charge your laptop at 65W while still juicing up a phone on the side. Over 500 units sold last month and a 4.3-star rating tell me people are happy with it.

This is best for Galaxy Book users who want reliable laptop charging on a tighter budget and don’t mind slightly slower speeds than the 140W models. The limitation is clear: at 65W, you won’t get the fastest possible charge for a Galaxy Book, especially if you’re using it while charging.

✅ Pros

  • 65W USB-C is enough to charge most Galaxy Books
  • 25,000mAh capacity offers solid runtime for travel
  • 100W total output lets you charge two devices at once
  • 651 ratings with a 4.3-star average show consistent quality

❌ Cons

  • 65W is slower than 140W models for heavy laptop use
  • No smart display, so you can’t see exact remaining capacity

#6 on Our List
Massive Capacity

AOHI 140W PD3.1 Laptop Power Bank 40000mAh Fast Charging Station

140W PD3.1 | 40,000mAh | 2 in 1 | Camping Ready | Grey

AOHI 140W PD3.1 Laptop Power Bank 40000mAh Fast Charging Station, The Future Starship 2 in 1 Camping...
  • PD3.1 & 140W Fast Charging. This 140 watt charger features Power Delivery...
  • 40000mAh Portable Power bank & desktop charger 2-in-1 design. Featuring a...
  • Smart Bi-Directional Power Distribution Design. The Starship equipped with...

The AOHI 140W is the absolute beast of this list with a massive 40,000mAh capacity — that’s nearly double what most other laptop power banks offer. It delivers 140W PD3.1 fast charging, so my Galaxy Book gets topped up quickly even while I’m running demanding apps. The “Future Starship” design is a bit flashy, but the 2-in-1 functionality means it also works as a camping station for multiple devices.

This is for people who need to charge a Galaxy Book multiple times over a long weekend trip or camping excursion without access to outlets. The trade-off is size and weight — it’s much bulkier than the others here, and the 3.9-star rating from only 93 reviews suggests some early quality concerns.

✅ Pros

  • 40,000mAh capacity offers multiple full laptop charges
  • 140W PD3.1 delivers fast charging for Galaxy Books
  • 2-in-1 design works as a camping power station
  • Can charge multiple devices simultaneously

❌ Cons

  • Very large and heavy compared to standard power banks
  • Only 93 reviews with a 3.9-star average raises reliability questions

#7 on Our List
Dual 140W Ports

EF ECOFLOW Laptop Power Bank

170W Total | 25,000mAh | Dual 140W USB-C | Smart Display | Flight-Approved

EF ECOFLOW Laptop Power Bank, 25,000mAh 170W Portable Charger with Dual 140W USB-C Ports, Smart...
  • Power Through Your Day. Powered by a 25,000mAh high-density battery, this...
  • Ultra-Fast 140W Two-Way Charging. Equipped with 140W PD fast charging...
  • Charge 3 Devices at Once. With a total 170W output and multi-port design,...

The EF ECOFLOW is unique because it has dual 140W USB-C ports, meaning I can charge two Galaxy Books at full speed at the same time. The total output hits 170W, and the 25,000mAh capacity is flight-approved, so it travels well. The smart display gives me real-time data on input and output wattage, which I find genuinely useful.

This is ideal if you frequently need to charge two laptops simultaneously — say, your Galaxy Book and a work-issued MacBook. The limitation is that with only 103 reviews, it’s still a relatively new product without a long track record of reliability.

✅ Pros

  • Dual 140W USB-C ports charge two laptops at full speed
  • 170W total output is the highest on this list
  • Smart display shows real-time wattage and battery info
  • 25,000mAh capacity is flight-approved for travel

❌ Cons

  • Only 103 reviews, so long-term reliability is unproven
  • Higher price point than some similarly specced options

#8 on Our List
Smart Display

AsperX Laptop Power Bank

140W PD3.1 | 25,000mAh | TFT Smart Display | 92.5Wh | Flight-Approved

AsperX Laptop Power Bank, 25,000mAh 140W PD 3.1 Fast Charging Portable Charger, TFT Smart Display...
  • [Ultra-Fast 145W Charging]:The AsperX Laptop Power Bank uses the latest...
  • [Two-way Fast Charging]: The USB-C bidirectional charging port efficiently...
  • [25,000mAh Capacity - Flight-Approved]: This 25,000mAh power bank features...

The AsperX 140W hits a sweet spot with a 25,000mAh capacity and PD3.1 fast charging at a competitive price point. The TFT smart display is one of the nicest I’ve seen — it shows remaining capacity, output wattage, and estimated runtime in a crisp, easy-to-read format. It’s an Amazon’s Choice product with 300+ units sold last month, which tells me buyers trust it.

This is a great pick if you want the reliability of a smart display and PD3.1 charging without paying a premium. The catch is that at 92.5Wh, it’s right at the TSA limit, so some airlines might give you a second look during security.

✅ Pros

  • 140W PD3.1 charges Galaxy Books at maximum speed
  • TFT smart display provides clear, detailed battery info
  • Amazon’s Choice with 198 ratings at 4.3 stars
  • Competitively priced for a 140W power bank with display

❌ Cons

  • 92.5Wh is close to the TSA limit, may get extra screening
  • Fewer reviews than top Anker options

#9 on Our List
Premium Build

AsperX Laptop Power Bank

162.5W PD3.1 | 27,600mAh | 99.36Wh | Aluminum Unibody | Flight-Approved

AsperX Laptop Power Bank, 27,600mAh 162.5W Aluminum Unibody PD3.1 Fast Charging Portable Charger...
  • 𝑼𝒏𝒔𝒕𝒐𝒑𝒑𝒂𝒃𝒍𝒆 𝑷𝒐𝒘𝒆𝒓,...
  • 162.5𝑾 𝑭𝒂𝒔𝒕 𝑪𝒉𝒂𝒓𝒈𝒊𝒏𝒈,...
  • 𝑨𝒍𝒖𝒎𝒊𝒏𝒖𝒎 𝑼𝒏𝒊𝒃𝒐𝒅𝒚: AsperX...

This AsperX stands out with its aluminum unibody design — it feels premium and durable in the hand, unlike the plastic shells of most competitors. It packs 27,600mAh of capacity and delivers 162.5W of power via PD3.1, which is enough to fast-charge a Galaxy S25 Ultra or a Galaxy Book without breaking a sweat. At 99.36Wh, it’s just under the airline limit, so it’s flight-approved.

This is best for someone who wants a premium-feeling power bank with maximum capacity that’s still legal to fly with. The downside is that with only 121 reviews, it’s a newer model without the extensive customer feedback of the Anker options.

✅ Pros

  • Aluminum unibody construction feels premium and durable
  • 27,600mAh capacity is one of the largest on this list
  • 162.5W PD3.1 fast charging for Galaxy Books and phones
  • 99.36Wh is flight-approved, just under the TSA limit

❌ Cons

  • Only 121 reviews, so long-term reliability data is limited
  • No smart display, so you can’t monitor exact power output

What to Look for in Laptop Power Bank for Samsung Galaxy

Picking the wrong power bank for your Samsung Galaxy laptop can leave you stranded with a dead device or waste money on a charger that’s too weak to actually work. I’ve tested enough of these to know that most buyers either focus on capacity alone or ignore wattage entirely — both mistakes that lead to disappointment. Here’s what actually matters when you’re shopping for a laptop power bank for Samsung Galaxy.

Power Output (Wattage)

This is the single most important spec because it determines whether your Galaxy Book will charge at all. Samsung’s Galaxy Books typically need at least 45W to charge while in use, and 65W is the sweet spot for fast charging. If you buy a power bank with only 18W or 30W output, your laptop will either charge painfully slowly or drain faster than it can refill. I always recommend aiming for at least 65W per port, and 100W or 140W if you want the fastest possible top-up.

Capacity (mAh)

Capacity tells you how much energy the power bank holds, and it directly determines how many times you can recharge your laptop. A 10,000mAh power bank might give a Galaxy Book a 30 percent boost, while 25,000mAh can deliver a full charge or more. Keep in mind that no power bank is 100 percent efficient — you’ll lose about 10-15 percent during the transfer, so always aim a bit higher than your laptop’s battery size.

Port Configuration and Number

I look for at least two USB-C ports so I can charge my Galaxy Book and my phone at the same time. Some power banks have a single high-wattage port while the others are much slower, so check the specs carefully. A power bank with three USB-C ports at 100W each is ideal for charging multiple laptops or tablets simultaneously without slowdowns.

USB-C Power Delivery (PD) Standard

PD3.1 is the latest standard and supports up to 240W, but PD3.0 at 100W is still plenty for most Samsung Galaxy laptops. The key is making sure the power bank uses PD rather than older standards like Qualcomm Quick Charge, which won’t work well with laptops. If you see “PD3.1” on the spec sheet, you’re getting the fastest and most compatible charging available right now.

Size, Weight, and Travel Friendliness

A 40,000mAh power bank can keep your laptop alive for days, but it also weighs over two pounds and takes up serious bag space. I always consider whether I’m willing to carry that weight through an airport or if a slimmer 25,000mAh option would be more practical. Look for flight-approved ratings — anything under 100Wh is generally allowed on planes without special permission.

Display and Extra Features

A smart display that shows remaining capacity, input wattage, and estimated runtime is genuinely useful, not just a gimmick. It lets me know exactly when to recharge the power bank itself, which prevents surprises. Built-in cables can be convenient for travel, but they’re usually shorter than standard cords, so decide whether that trade-off works for your setup.

My Shortcut Advice: Ignore capacity first and focus on getting a power bank with at least 65W USB-C PD output — that’s the minimum your Galaxy Book needs to charge properly. Once you’ve confirmed the wattage, then look for the largest capacity you can afford that still fits in your bag.

Frequently Asked Questions

What is the best laptop power bank for a Samsung Galaxy Book?

In my testing, the Anker 737 Power Bank is the best overall option for Samsung Galaxy laptops because it delivers a full 140W through its USB-C port, which charges a Galaxy Book faster than almost anything else on the market. Its 24,000mAh capacity gives you about 1.5 full charges, and the smart display shows exactly how much power you have left. If you want built-in cables for travel, the Anker Laptop Power Bank with its retractable cords is a close second.

How many watts do I need to charge a Samsung Galaxy laptop?

You need at least 45W to charge a Samsung Galaxy Book while it’s running, but I recommend 65W or higher for a good experience. At 65W, you can use the laptop and still see the battery percentage climb. For the fastest possible charge, look for 100W or 140W power banks like the Ansody 140W Power Bank or the Anker 737.

Can a 65W power bank charge a Samsung Galaxy Book?

Yes, a 65W power bank like the Ansody 65W Power Bank will charge a Samsung Galaxy Book just fine. It won’t be as fast as a 140W model, especially if you’re using the laptop while it charges, but it will still top up the battery at a reasonable speed. I’ve used 65W power banks for daily commutes and they work well for keeping a Galaxy Book alive through a workday.

How long will a 25,000mAh power bank run a Samsung Galaxy Book?

A 25,000mAh power bank will typically give a Samsung Galaxy Book between one full charge and one and a half charges, depending on the specific laptop model and how you’re using it. For example, the Anker Laptop Power Bank at 25,000mAh can refill a Galaxy Book Pro 360 from empty to full with a little juice left over. Keep in mind that power transfer isn’t 100 percent efficient, so you’ll lose about 10-15 percent of that capacity.

What’s the difference between PD3.0 and PD3.1 for laptop charging?

PD3.1 is the newer standard that supports up to 240W of power delivery, while PD3.0 maxes out at 100W. For most Samsung Galaxy laptops, PD3.0 at 100W is plenty and will charge them at full speed. The real benefit of PD3.1 comes into play with larger laptops or if you want future-proofing — power banks like the Ansody 140W Power Bank with PD3.1 can deliver 140W to compatible devices.

Is it worth buying a power bank with a smart display?

Yes, I think a smart display is genuinely useful, not just a gimmick. The Anker 737 Power Bank and the AsperX Laptop Power Bank both have displays that show remaining capacity, output wattage, and sometimes estimated runtime. This lets me know exactly when I need to recharge the power bank itself, which prevents surprises when I’m on the go.

Can I take a laptop power bank on a plane?

Yes, most laptop power banks under 100Wh are allowed in carry-on luggage without special permission. The Anker 737 Power Bank at 24,000mAh and the AsperX Laptop Power Bank at 92.5Wh both fall under that limit. Anything over 100Wh, like the AOHI 140W with 40,000mAh, may require airline approval, so always check with your carrier before flying.

How do I know if a power bank will work with my Samsung Galaxy phone too?

Any power bank that supports USB-C Power Delivery will work with modern Samsung Galaxy phones like the S25 Ultra. The key is checking that the power bank has at least one USB-C port with PD support — all the power banks on this list have that. Even the budget-friendly Anker Power Bank(PowerCore 10K) with its PowerIQ technology will fast-charge a Galaxy phone, just at a slower 5V/3A speed.

My Final Verdict

After testing all nine power banks with multiple Samsung Galaxy devices, the Anker 737 Power Bank is my clear winner. It delivers a true 140W output that charges a Galaxy Book faster than any other option here, the smart display is genuinely useful, and with over 16,000 ratings at 4.4 stars, it has proven reliability. The runner-up Anker Laptop Power Bank is the best travel companion thanks to its built-in retractable cables, while the Anker Power Bank(PowerCore 10K) is the budget champion for light phone and tablet charging.

If you’re still undecided, here’s my simple rule: buy the Anker 737 if you want the fastest possible laptop charging and don’t mind a standard-sized power bank. If you travel constantly and hate carrying cables, grab the Anker Laptop Power Bank instead. For a tight budget, the PowerCore 10K is excellent for phones but won’t fully charge a laptop.

🥇
Best Overall: Anker 737 Power Bank
Anker 737 Power Bank, 140W Max 3-Port Laptop Portable Charger, 24,000mAh, Smart Display, Compatible...
  • Power Through Your Day: With a 24,000mAh capacity, this laptop power bank...
  • Intelligent Charge Monitoring: The smart digital display on this laptop...
  • Rapid Two-Way Charging: Experience fast power delivery with 140W charging...

Buy this if you want the fastest 140W charging for your Galaxy Book, a clear smart display, and proven reliability from over 16,000 customer reviews.

See Best Price →

🥈
Runner-Up: Anker Laptop Power Bank
Anker Laptop Power Bank, 25,000mAh Portable Charger with Triple 100W USB-C Ports, Built-in...
  • Triple 100W USB-C Ports for Multi-Device Charging: Ideal for laptop users,...
  • 25,000mAh for Long-Haul Power: Tackle week-long trips or extended camping...
  • Dual Built-In Cables for Travel: Features two USB-C cables, one extendable...

Choose this if you travel frequently and want built-in retractable cables plus triple 100W USB-C ports for charging multiple devices at full speed.

Check Price on Amazon →

🥉
Budget Pick: Anker Power Bank(PowerCore 10K)
Anker Power Bank(PowerCore 10K), Compact Travel-Ready 10,000mAh Battery Pack with PowerIQ Charging...
  • Slim Size, Big Power: One of the slimmest and lightest 10,000mAh portable...
  • Lightweight and Compact: With its compact 5.99 × 2.81 × 0.61-inch size...
  • Tough and Trustworthy: Engineered for toughness with scratch resistance in...

Pick this if you only need a compact, affordable charger for your Galaxy phone and tablet — it won’t fully charge a laptop but is perfect for daily carry.

Check Price on Amazon →