Looking for the best compact power bank for travel? The Anker Nano 10000mAh wins as the best overall with its built-in USB-C cable and pocket-friendly design, the Nitecore NB10000 Gen2 takes the ultralight crown at just 150g for minimalist packers, and the Shargeek 170 dominates laptop charging with 170W output for digital nomads who need serious power on the go.
Who this comparison is for#
- Frequent travelers who need reliable charging without adding bulk to carry-on bags
- Remote workers and digital nomads who split time between cafes, airports, and coworking spaces
- Ultralight packers who obsess over every gram in their daypack or sling bag
- Commuters who run multiple devices through a full day away from outlets
How we picked#
- Capacity sweet spot: All three pack 10,000mAh or more — enough for 2-3 full phone charges without crossing airline carry-on limits
- Weight-to-power ratio: Each pick weighs under 350g, with the lightest at just 150g
- Charging speed: Minimum 30W output so you get meaningful charge in short layovers and coffee stops
- Build quality: Carbon fiber, aluminum, polycarbonate — no cheap plastic that cracks in a bag
- Real-world reliability: Each product backed by hundreds of verified reviews averaging 4+ stars
Anker Nano 10000mAh — Best Overall#
The Anker Nano 10000mAh is the power bank you grab without thinking. It does everything well and nothing badly. The built-in USB-C cable means one less cable rattling around your bag, and at 30W output it charges an iPhone 16 from empty to 50% in about 25 minutes.
What makes it the overall pick is the combination of convenience and reliability. The integrated cable folds flush into the body — no dangling cord, no lost cables at hotel rooms. The second USB-C port lets you charge two devices simultaneously, and passthrough charging means you can top off the power bank and your phone from the same wall outlet at the same time.
Build quality feels premium for the price. The matte finish resists fingerprints and the compact rectangle slides into a jeans pocket without the awkward bulge you get from cylindrical power banks. At under 200g, you barely notice it in a sling bag.
Key Specs#
Capacity : 10,000mAh (36Wh)
Output : 30W max (USB-C), dual-port simultaneous
Built-in Cable : USB-C, folds flush
Weight : 192g (6.8 oz)
Dimensions : 107 x 50 x 27mm
Recharge Speed : 30W input, ~1.5 hours to full
Bottom line: The best all-rounder for travelers who want one device that handles phones, earbuds, and tablets without fuss. Read our full Anker Nano 10000mAh review for the deep dive.
🇺🇸 Anker Nano 10000mAh Power Bank on Amazon US (Roundup) | 🇩🇪 Anker Nano 10000mAh Power Bank on Amazon DE (Roundup)
Nitecore NB10000 Gen2 — Best Ultralight#
If every gram matters, the Nitecore NB10000 Gen2 is the only serious answer. At 150g it weighs less than most smartphones, yet packs a full 10,000mAh capacity. Ultralight hikers, bikepacking enthusiasts, and minimalist travelers have made this a cult favorite for good reason.
The carbon fiber and aluminum construction keeps weight down without sacrificing durability. This is a power bank designed for people who throw gear into stuff sacks and summit packs — it handles rough treatment. The slim credit-card-width profile slides into pockets and pouches that would reject bulkier alternatives.
Charging speed hits 20W on the USB-C port, which is modest compared to the other two picks but perfectly adequate for phones and earbuds. The dual-port setup (USB-C + USB-A) covers legacy devices like older headlamps and GPS units — useful for outdoor types who carry mixed-generation gear. A low-current mode handles small devices like wireless earbuds without auto-shutoff issues.
Key Specs#
Capacity : 10,000mAh (36Wh)
Output : 20W max (USB-C PD), USB-A QC 3.0
Weight : 150g (5.3 oz)
Dimensions : 103 x 52 x 22mm
Shell : Carbon fiber + aluminum frame
Special Feature : Low-current mode for earbuds and wearables
Bottom line: The lightest 10,000mAh power bank worth buying. You sacrifice some charging speed for a weight savings that adds up across multi-day trips. Check out our full Nitecore NB10000 Gen2 review for detailed testing.
🇺🇸 Nitecore NB10000 Gen2 on Amazon US (Roundup)
Shargeek 170 — Best for Laptop Charging#
The Shargeek 170 plays in a different league. While the other two picks handle phones and small devices, this one charges laptops. With 170W peak output and a 24,000mAh capacity, it can top off a MacBook Air from empty or keep a MacBook Pro running for hours during a long flight.
The transparent polycarbonate shell is the first thing anyone notices — you can see the circuit boards, battery cells, and charging circuitry through the case. It looks like a piece of engineering art sitting on a cafe table. The built-in IPS display shows real-time voltage, current, wattage, and remaining capacity in exact numbers, not vague LED dots.
Three output ports (two USB-C + one USB-A) handle simultaneous charging for a laptop, phone, and earbuds. The primary USB-C port delivers the full 170W, while the secondary ports share remaining power intelligently. At 490g it is noticeably heavier than the other picks, but for the charging capability you get, the weight-to-power ratio is still excellent.
Key Specs#
Capacity : 24,000mAh (86.4Wh)
Output : 170W max (USB-C), triple-port
Display : IPS screen with real-time power metrics
Weight : 490g (17.3 oz)
Dimensions : 135 x 72 x 32mm
Airline Approved : Yes — under 100Wh limit
Recharge Speed : 65W input, ~2 hours to full
Bottom line: The power bank for people who charge laptops on the go. Heavier and pricier than phone-only options, but nothing else in this size delivers 170W. See our full Shargeek 170 review for the complete breakdown.
🇺🇸 Shargeek 170 Power Bank on Amazon US (Roundup) | 🇩🇪 Shargeek 170 Power Bank on Amazon DE (Roundup)
Which one should you buy?#
If you want the simplest, most practical power bank for everyday travel, get the Anker Nano 10000mAh. The built-in cable eliminates the most common power bank frustration — forgetting or losing the charging cable — and 30W output is fast enough for any phone on the market. It handles 90% of travel charging needs in a package that fits in a front pocket.
If you are an ultralight packer, hiker, or cyclist where every gram counts, the Nitecore NB10000 Gen2 is the obvious choice. At 150g you will forget it is in your pack. The 20W output is slower for phones, but when your priority is minimizing pack weight across a week-long trip, nothing else comes close to this weight-to-capacity ratio.
If you travel with a laptop and need real power delivery, the Shargeek 170 is your pick. It is the only option here that can meaningfully charge a MacBook or similar USB-C laptop, and the 24,000mAh capacity means you get through a full transcontinental flight without hunting for an outlet. The transparent design and real-time display are bonuses that make the premium worth it for gear enthusiasts.
For most travelers, start with the Anker Nano. Add the Nitecore for backcountry trips, and the Shargeek if your workflow depends on a laptop away from power.
FAQ#
Can I take these power banks on a plane?#
Yes — all three are airline approved. The Anker Nano (36Wh) and Nitecore NB10000 Gen2 (36Wh) fall well under the 100Wh carry-on limit. The Shargeek 170 (86.4Wh) also clears the threshold. Most airlines allow power banks up to 100Wh in carry-on luggage without special approval. None of these can go in checked baggage — that is a universal airline rule for lithium batteries.
How many phone charges do I get from 10,000mAh?#
Roughly 2-2.5 full charges for a modern smartphone. An iPhone 16 has a 3,561mAh battery, so a 10,000mAh power bank covers about 2.5 charges accounting for conversion losses. The Shargeek 170 at 24,000mAh delivers around 5-6 full phone charges, or one full MacBook Air charge plus two phone top-ups.
Is 20W charging speed too slow for the Nitecore?#
For phones, 20W takes an iPhone 16 from empty to 50% in about 30 minutes — roughly 5 minutes slower than the Anker Nano's 30W. You will not notice the difference in daily use. Where 20W becomes limiting is tablets — an iPad charges noticeably slower at 20W compared to 30W. For phones and earbuds, 20W is plenty fast.
Does the Shargeek 170 actually charge a MacBook Pro?#
It charges it, but results depend on the MacBook model. A MacBook Air charges from empty to full. A 14-inch MacBook Pro (70Wh battery) gets about 80-90% from the Shargeek's 86.4Wh capacity. A 16-inch MacBook Pro draws more power and you will get roughly 60-70% charge. During active use the charge rate slows, but it extends your working time by several hours.
Which power bank has the best build quality?#
The Nitecore NB10000 Gen2 leads with its carbon fiber and aluminum construction — it is genuinely rugged and built for outdoor use. The Anker Nano uses quality polycarbonate with a premium matte finish that holds up well in bags. The Shargeek 170 transparent shell is eye-catching but slightly more scratch-prone — a case or sleeve is worth considering if you toss it in with keys and tools.
Can I charge the power bank and my phone at the same time?#
The Anker Nano and Shargeek 170 both support passthrough charging — plug the power bank into a wall outlet and connect your phone, both charge simultaneously. The Nitecore NB10000 Gen2 does not officially support passthrough charging. For hotel rooms with limited outlets, passthrough is genuinely useful and worth considering in your decision.