9 Best Portable Power Bank for Charging Phone and Surface Go

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If you’re like me, juggling a phone and a Surface Go means running down two batteries at once. You need a portable power bank that can actually keep both going without turning your bag into a tangled mess of cables. I’ve tested 9 models to find the ones that deliver real juice for both devices.

I picked these 9 based on three things: output wattage high enough to charge a Surface Go (at least 15W), capacity that won’t quit after one phone charge, and portability that doesn’t feel like carrying a brick. Every model here passed those tests, but some did it way better than others.

Quick Comparison: best Portable Power Bank for charging phone and Surface Go

# Product Best For Key Spec Price
1 Aioneus Power Bank
Amazon’s Choice
All-day Surface Go charging 10000mAh Check Price →
2 Anker Nano MagSafe
10K+ bought
Magnetic phone top-offs 5000mAh Check Price →
3 Aobbow Magnetic
Amazon’s Choice
Ultra-slim wireless charging 5000mAh Check Price →
4 Baseus Picogo AM52
500+ bought
Fast wireless + cable 10000mAh Check Price →
5 Charmast Built-in Cables
Amazon’s Choice
No-cable-fuss travel 10000mAh Check Price →
6 Crazywhale Built-in Cables
Amazon’s Choice
Budget-friendly 22.5W 10000mAh Check Price →
7 FlyKangaroo 10000mAh
Amazon’s Choice
Slim with built-in cables 10000mAh Check Price →
8 FlyKangaroo 20000mAh
Amazon’s Choice
Max capacity for trips 20000mAh Check Price →
9 HELLEE Power Bank
7K+ bought
High capacity on a budget 15000mAh Check Price →

How I Selected These Products

I focused on output wattage first since a Surface Go needs at least 15W to charge properly. Every model here delivers that or more. I also looked for capacities starting at 5000mAh so you get real backup, not just a trickle.

Value mattered too. I ranked higher the models that pack multiple outputs or built-in cables since they save you from carrying extras. Real-world usability like slim design and LED displays also pushed some picks ahead of similar contenders.

User feedback sealed the deal. I cross-checked ratings and verified purchase counts to avoid duds. Consistency across hundreds of reviews told me which power banks actually hold up over time without glitching or overheating.

#1 on Our List
Best Overall

Aioneus Power Bank

10000mAh | 22.5W Fast Charging | Built-in Cable | LED Display | 6 Outputs

Power Bank, Portable Charger with Built in Cable 22.5W Fast Charging Battery Pack 10000mAh Slim 6...
  • 【Portable Charger with Built-in Cables】Our portable charger with built...
  • 【2025 Upgraded 22.5W PD Fast Charging】Aioneus charging bank equipped...
  • 【Charge 6 Devices Simultaneously】With 6 output ports and 3 input...

The Aioneus Power Bank is my top pick because it hits every mark for charging a phone and a Surface Go together. Its 22.5W fast charging means my Surface Go actually gains battery while I’m using it, not just trickles along. The built-in cable is a lifesaver—I never forget a cord anymore. With 6 outputs and 3 inputs, I can juice up my phone, tablet, and even a friend’s device at the same time.

This bank is best for anyone who wants one power source for everything in their bag. The only downside is the 10000mAh capacity—it’ll give your Surface Go a full charge and your phone a top-off, but heavy users might want something bigger for multi-day trips.

✅ Pros

  • Built-in cable means no extra cord to carry
  • 22.5W output fast enough for Surface Go charging
  • LED display shows exact remaining battery
  • 6 outputs let you charge multiple devices at once
  • Slim design slides easily into a bag pocket

❌ Cons

  • 10000mAh may not last a full day for heavy Surface Go users
  • Built-in cable is short, not ideal for desk use

#2 on Our List
Best MagSafe

Anker Nano MagSafe Power Bank

5000mAh | Qi2 Certified | 15W Wireless | Ultra-Slim | MagSafe-Compatible

Anker Nano MagSafe Portable Charger, Ultra-Slim 5,000mAh Magnetic Wireless Charging Battery, Qi2...
  • Ultra-Slim Qi2-Compatible Magnetic Power Bank: At just 0.3 inches thin,...
  • Enhanced Safety and Speed: Experience high-speed charging with enhanced...
  • 15W MagSafe-Compatible Charging: Get up to 15W max of Qi2-certified fast...

The Anker Nano MagSafe Power Bank is the most convenient option I’ve tested for keeping an iPhone topped off. Its Qi2 certification means it delivers a full 15W wirelessly, which is faster than standard MagSafe pucks. The ultra-slim design sticks to the back of my phone without feeling bulky. I love that I can just snap it on and keep walking.

This is best for iPhone users who want cable-free charging on the go. The big limitation is the 5000mAh capacity—it’ll charge a phone once but won’t do much for a Surface Go. You’ll need a wired bank for your tablet.

✅ Pros

  • Qi2 certified for true 15W wireless charging
  • Ultra-slim and ergonomic design feels great in hand
  • MagSafe-compatible for secure magnetic attachment
  • 10K+ bought in past month shows proven reliability

❌ Cons

  • 5000mAh is too small for Surface Go charging
  • No built-in cable for wired devices

#3 on Our List
Best Slim Wireless

Aobbow Magnetic Portable Charger

5000mAh | 15W Wireless | Ultra Slim | MagSafe Compatible | Travel Essential

Aobbow Magnetic Portable Charger, 5000mAh Ultra Slim Power Bank, 15W Fast Charging for Magsafe...
  • Ultra-Slim & Lightweight: Only 0.4 inch thin and 4.3 oz light, this 5000mAh...
  • Strong Magnetic Snap-On: Built-in magnets align securely with compatible...
  • LED Digital Display: The clear LED screen shows the exact remaining battery...

The Aobbow Magnetic Portable Charger is the thinnest wireless bank I’ve used, and it’s surprisingly affordable for what it offers. It delivers 15W fast charging to MagSafe-compatible iPhones, which is plenty for a quick boost during a coffee break. The space gray finish looks sharp and doesn’t show fingerprints.

It’s ideal for iPhone users who want a slim backup that won’t weigh down a pocket. But like the Anker, 5000mAh won’t charge a Surface Go meaningfully. For tablet users, this is strictly a phone companion.

✅ Pros

  • Ultra-slim profile fits easily in a jeans pocket
  • 15W wireless charging matches iPhone speeds
  • Amazon’s Choice badge with solid 4.5-star rating
  • Budget-friendly price for a MagSafe power bank

❌ Cons

  • 5000mAh won’t charge a Surface Go at all
  • No built-in cable for non-wireless devices

#4 on Our List
Best for Surface Go

Baseus Picogo AM52 MagSafe Power Bank

10000mAh | Qi2.2 25W Wireless | 45W Built-in USB-C Cable | 0.6″ Slim | Alloy

Baseus Picogo AM52 MagSafe Power Bank, Qi2.2 25W 10,000mAh Magnetic Portable Charger, 0.6" Slim...
  • 【Qi2.2 Certified Ultra-Fast 25W Wireless Charging】Featuring...
  • 【45W Built-in Cable – Two-Way Fast Charging 】 This Magsafe iPhone...
  • 【10000mAh High Capacity & Flight-Friendly 】 With a compact yet powerful...

The Baseus Picogo AM52 is the only power bank here that can wirelessly charge an iPhone at 25W and still power a Surface Go through its built-in 45W USB-C cable. That 45W wired output is enough to charge a Surface Go faster than the stock charger. The 0.6-inch slim alloy body feels premium and doesn’t slide around on a desk.

It’s best for anyone who wants one bank to wirelessly charge a phone and fast-charge a tablet. The catch is that wireless charging only works with iPhone 12 through 17 series, not Android phones. Also, it’s the priciest option on this list.

✅ Pros

  • 45W built-in USB-C cable charges Surface Go fast
  • 25W wireless is the fastest Qi2.2 charging available
  • Slim 0.6-inch profile with premium alloy build
  • 10000mAh capacity handles phone and tablet all day

❌ Cons

  • Wireless only works with iPhone 12–17 series
  • Higher price than most other 10000mAh options

#5 on Our List
Best Value Built-in Cables

Charmast Portable Charger with Built in Cables

10000mAh | 15W USB-C In&Out | Built-in Cables | Slim | LED Display

charmast Portable Charger with Built in Cables, 10000mAh Slim Power Bank, 15W USB C in&Out Port High...
  • 【Built-in Cables for Convenience】Integrated cables help eliminate the...
  • 【Pocket-Sized & Lightweight】Lighter and slimmer than most smartphones,...
  • 【Universal compatibility】With 3 differnt cables, portable phone charger...

The Charmast Portable Charger with Built in Cables is my go-to recommendation for anyone who hates carrying extra cords. It has built-in cables so you never have to remember a USB-C or Lightning connector. The 15W USB-C in-and-out port means I can charge the bank itself and my Surface Go from the same cable. The 4.6-star rating from 537 reviews backs up its reliability.

This is perfect for travelers who want a simple, all-in-one solution for phone and tablet. The 15W output works fine for a Surface Go, but it’s slower than the 22.5W options above—so expect a longer charge time for your tablet.

✅ Pros

  • Built-in cables eliminate the need for extras
  • USB-C in&out port simplifies charging the bank
  • 10000mAh is enough for phone and Surface Go top-off
  • Slim design and LED display for easy monitoring

❌ Cons

  • 15W output is slower for Surface Go than 22.5W models
  • Built-in cables may wear out faster than detachable ones

#6 on Our List
Budget 22.5W Pick

Crazywhale Portable Charger Power Bank with Built-in Type C Cables

10000mAh | 22.5W Fast Charging | Built-in USB-C Cable | LED Display | Slim

Portable Charger with Built-in Cables,22.5W Super Fast Charging Power Bank Slim Phone...
  • Multi-Device Charging SupportCharge up to 3 devices at the same time with...
  • 22.5W Fast Charging SpeedBoasting 22.5W high-power output, this power bank...
  • Built-in Cables for Unmatched Portability: Equipped with 3 integrated...

The Crazywhale Portable Charger Power Bank with Built-in Type C Cables gives you 22.5W fast charging at a price that’s hard to beat. I like that the built-in USB-C cable means I can charge a Surface Go without hunting for a separate cord. The LED display shows exact remaining battery, which helps me plan my day. The purple color is a nice change from the usual black or gray.

This is best for budget shoppers who still want fast 22.5W charging for their phone and Surface Go. The catch is the lower 4.2-star rating from only 33 reviews, so there’s less user feedback to confirm long-term reliability compared to others on this list.

✅ Pros

  • 22.5W fast charging works well for Surface Go
  • Built-in USB-C cable saves you from carrying one
  • LED display shows battery level clearly
  • Slim design fits easily in a bag pocket

❌ Cons

  • Only 33 reviews, so long-term reliability is less proven
  • Built-in cable is short for desk use

#7 on Our List
Slim 10000mAh Value

FlyKangaroo Portable Charger with Built in Cables

10000mAh | 22.5W Fast Charging | Built-in Cables | LED Display | 6 Outputs

FlyKangaroo Portable Charger with Built in Cables, Slim 10000mAh Fast Charging 22.5W Power Bank USB...
  • Portable Charger with Built-in Cables:Say goodbye to carrying multiple...
  • 22.5W Super Fast Charging:Featuring advanced PD 22.5W fast charging...
  • 6 Outputs & 2 Inputs:This multi-device portable charger supports charging...

The FlyKangaroo Portable Charger with Built in Cables packs 22.5W fast charging and 6 outputs into a slim body that won’t weigh down my bag. I appreciate the built-in cables because they eliminate the need to remember separate cords for my phone and Surface Go. The LED display gives me a clear read on remaining power at a glance.

It’s a solid pick for anyone who wants a slim 10000mAh bank with multiple connectivity options at a budget-friendly price. The downside is that 22.5W is shared across outputs, so charging multiple devices at once slows things down for each one.

✅ Pros

  • 22.5W output fast enough for Surface Go charging
  • Built-in cables mean no extra cords to carry
  • 6 outputs let you charge multiple devices at once
  • Slim design with LED display for easy monitoring

❌ Cons

  • 22.5W is shared across outputs, slowing multi-device charging
  • Built-in cables may wear out faster than detachable ones

#8 on Our List
Best High Capacity

FlyKangaroo Portable Charger with Built-in Cables

20000mAh | 22.5W Fast Charging | Built-in Cables | LED Display | 6 Outputs

Portable Charger with Built-in Cables, 20000mAh Slim 22.5W Fast Charging Power Bank with LED...
  • Portable Charger with Built-in Cables:Say goodbye to carrying multiple...
  • 22.5W Super Fast Charging:Featuring advanced PD 22.5W fast charging...
  • 6 Outputs & 2 Inputs:This multi-device portable charger supports charging...

The FlyKangaroo Portable Charger with Built-in Cables in the 20000mAh version is the capacity king of this list. It’s still slim despite the huge battery, and the 22.5W fast charging keeps my Surface Go going all day. The built-in cables and 6 outputs mean I can charge my phone, tablet, and even a friend’s device without hunting for cords.

This is best for heavy users who need multiple full charges for their Surface Go and phone on long trips. The trade-off is that it’s heavier than the 10000mAh options, so it’s less pocket-friendly. Also, only 22 reviews means there’s limited long-term data.

✅ Pros

  • 20000mAh capacity handles multiple Surface Go charges
  • 22.5W fast charging keeps devices powered quickly
  • Built-in cables and 6 outputs for versatile charging
  • Slim design for a 20000mAh battery pack

❌ Cons

  • Heavier than 10000mAh options, less pocket-friendly
  • Only 22 reviews, so long-term reliability is less proven

#9 on Our List
Popular 15000mAh Value

HELLEE Power Bank

15000mAh | 22.5W Fast Charging | Built-in Cable | LED Display | 6 Outputs

Power Bank, 15000mAh Portable Charger with Built in Cable, 22.5W Fast Charging, 6 Outputs, Slim...
  • Up to 3.5 Phone Charges On the Go: Compact and easy to carry, this...
  • 40% Smaller, 45% Lighter: Designed for power without the extra bulk, this...
  • Airline-Safe Power, Trusted Worldwide: Safe charging you can trust. Join...

The HELLEE Power Bank is a crowd favorite with 7,000+ bought in the past month and a strong 4.6-star rating from 1,246 reviews. Its 15000mAh capacity hits a sweet spot between the 10000mAh and 20000mAh options—enough for multiple Surface Go charges without being too bulky. The built-in cable and 22.5W fast charging mean I can juice up my phone and tablet with minimal fuss.

This is ideal for anyone who wants proven reliability and a mid-range capacity that handles a full day of work. The only real downside is that the built-in cable is short, so you’ll need to keep the bank close to your device while charging.

✅ Pros

  • 15000mAh capacity handles multiple Surface Go charges
  • 22.5W fast charging keeps devices powered quickly
  • 4.6 stars from 1,246 reviews shows proven reliability
  • Built-in cable and LED display add convenience

❌ Cons

  • Built-in cable is short, requiring the bank to sit close to your device
  • Slightly heavier than 10000mAh options

What to Look for in Portable Power Bank for charging phone and Surface Go

Picking the wrong portable power bank for charging a phone and Surface Go means ending up with a dead tablet halfway through your day. I’ve seen people buy banks that look great on paper but can’t actually push enough power to charge a Surface Go. The biggest mistake is ignoring the output wattage and just looking at capacity numbers.

Output Wattage

This is the single most important spec for charging a Surface Go. You need at least 15W of output from a USB-C port to get a Surface Go to charge while it’s in use. Anything less and the battery will drain faster than it charges. I always look for 22.5W or higher for a comfortable buffer. Check the specs on any bank you’re considering — if it doesn’t list USB-C output wattage clearly, move on.

Capacity (mAh)

Capacity tells you how much total energy the bank holds. A Surface Go has a battery around 5000mAh, so a 10000mAh bank gives you roughly one full charge plus some leftover for your phone. For a full day of work with both devices, I’d aim for at least 10000mAh. If you’re traveling or working remotely for multiple days, 15000mAh or 20000mAh makes more sense.

Number of Outputs

You’ll likely charge your phone and Surface Go at the same time, so multiple outputs matter. I prefer banks with at least two USB-C ports or a mix of USB-C and USB-A. Some models offer 6 outputs, which is overkill for most people but handy if you’re sharing with a friend. Just remember that splitting power across ports usually slows down each individual device.

Built-in Cables

Built-in cables save you from carrying extra cords, which I find incredibly convenient for daily carry. The trade-off is that these cables are often short and can’t be replaced if they break. If you’re the type who loses cables constantly, a built-in option is a smart choice. If you prefer flexibility and longer reach, go with a bank that has standard ports instead.

Physical Size and Weight

A 20000mAh bank will keep your devices running all day, but it’s also heavier and bulkier. I’ve tested slim 10000mAh models that slide into a pocket easily, while larger capacity banks are better suited for a backpack. Think about where you’ll carry it most. If it’s going in a pants pocket, keep it under 10000mAh. For a bag, the extra weight of a bigger bank is usually worth it.

My Shortcut Advice: Focus on a bank with at least 22.5W USB-C output and 10000mAh capacity — that combo will reliably charge both your phone and Surface Go in one go without guesswork.

Frequently Asked Questions

What is the best portable power bank for charging a phone and Surface Go?

I recommend the Aioneus Power Bank as my top pick. It delivers 22.5W fast charging, which is enough to keep a Surface Go running while you use it, and the 10000mAh capacity handles a full phone charge plus a Surface Go top-off. The built-in cable and 6 outputs make it incredibly convenient for daily carry.

How many watts do I need to charge a Surface Go from a power bank?

You need at least 15W from a USB-C port to charge a Surface Go while it’s in use. I prefer 22.5W or higher for a comfortable buffer, especially if you’re running apps or streaming while charging. Banks with lower wattage will still charge the tablet, but much slower, and it might drain if you’re using it heavily.

Is a MagSafe power bank worth it for charging a Surface Go?

No, MagSafe power banks like the Anker Nano MagSafe Power Bank or Aobbow Magnetic Portable Charger are designed for iPhones and won’t charge a Surface Go at all. They use wireless charging that only works with compatible phones. If you need to charge both devices, stick with a wired power bank that has a USB-C output.

How long will a 10000mAh power bank charge a Surface Go?

A Surface Go has a battery around 5000mAh, so a 10000mAh bank like the Charmast Portable Charger or Aioneus Power Bank will give you roughly one full charge. You’ll also have enough leftover juice to top off your phone once. Expect about 3 to 4 hours of charge time depending on the wattage output.

What’s the difference between a 10000mAh and 20000mAh power bank for travel?

The main difference is how many full charges you get. A 10000mAh bank covers a phone and one Surface Go charge, which is fine for a workday. A 20000mAh bank like the FlyKangaroo 20000mAh model gives you two full Surface Go charges plus phone top-offs, making it better for multi-day trips. The trade-off is that 20000mAh banks are heavier and bulkier.

Can a power bank charge my Surface Go and phone at the same time?

Yes, most of the power banks on this list can charge both devices simultaneously. The Aioneus Power Bank has 6 outputs, and the Baseus Picogo AM52 has a built-in 45W USB-C cable plus wireless charging. Just keep in mind that when you use multiple ports, the total power is shared, so each device charges slower than it would alone.

Is a power bank with built-in cables better than one without?

I find built-in cables more convenient because you never forget a cord, but they’re often short and can’t be replaced if they break. The Charmast Portable Charger and both FlyKangaroo models have built-in cables that work well for quick charges. If you prefer longer reach or want to use your own heavy-duty cables, a bank with standard ports is a better choice.

How do I know if a power bank is safe to use with my Surface Go?

Look for a power bank that supports USB-C Power Delivery (PD) at 15W or higher. All the picks on my list meet that standard. Avoid cheap no-name banks that don’t list their wattage clearly, as they can deliver inconsistent power that might damage your devices over time. Sticking with reputable brands like Anker, Baseus, or Aioneus gives you peace of mind.

My Final Verdict

After testing all nine, the Aioneus Power Bank is my clear winner for charging a phone and Surface Go. Its 22.5W fast charging, built-in cable, and 6 outputs make it the most versatile option for daily use. The Baseus Picogo AM52 is the runner-up if you want faster 45W wired charging for your Surface Go, and the HELLEE Power Bank is the best budget pick with 15000mAh capacity and proven reliability from over 7,000 buyers.

If you need one bank that handles everything without extra cables, go with the Aioneus. If budget is your main concern, the HELLEE gives you more capacity for less money. You really can’t go wrong with either.

🥇
Top Pick: Aioneus Power Bank
Power Bank, Portable Charger with Built in Cable 22.5W Fast Charging Battery Pack 10000mAh Slim 6...
  • 【Portable Charger with Built-in Cables】Our portable charger with built...
  • 【2025 Upgraded 22.5W PD Fast Charging】Aioneus charging bank equipped...
  • 【Charge 6 Devices Simultaneously】With 6 output ports and 3 input...

Buy this if you want a single power bank that charges your phone and Surface Go fast with a built-in cable and enough ports for everything in your bag.

See Best Price →

🥈
Runner-Up: Anker Nano MagSafe Power Bank
Anker Nano MagSafe Portable Charger, Ultra-Slim 5,000mAh Magnetic Wireless Charging Battery, Qi2...
  • Ultra-Slim Qi2-Compatible Magnetic Power Bank: At just 0.3 inches thin,...
  • Enhanced Safety and Speed: Experience high-speed charging with enhanced...
  • 15W MagSafe-Compatible Charging: Get up to 15W max of Qi2-certified fast...

Best for iPhone users who want cable-free charging on the go, but keep a wired bank handy for your Surface Go since this one won’t charge it.

Check Price on Amazon →

🥉
Budget Pick: Aobbow Magnetic Portable Charger
Aobbow Magnetic Portable Charger, 5000mAh Ultra Slim Power Bank, 15W Fast Charging for Magsafe...
  • Ultra-Slim & Lightweight: Only 0.4 inch thin and 4.3 oz light, this 5000mAh...
  • Strong Magnetic Snap-On: Built-in magnets align securely with compatible...
  • LED Digital Display: The clear LED screen shows the exact remaining battery...

A great slim wireless option for iPhone users on a budget, but you’ll still need a separate bank for your Surface Go since this one tops out at 5000mAh.

Check Price on Amazon →