When you’re working from cafés, airports, co-living spaces, or off-grid cabins, your laptop battery isn’t just a convenience — it’s your income.

The Anker 737 (PowerCore 24K) is one of the most powerful portable chargers designed for digital nomads and remote professionals. But is it actually worth the price? And can it really replace a wall outlet?

Let’s break it down.

• Best for: Remote workers, digital nomads, content creators
• Not ideal for: Ultralight travelers or minimal carry setups
• Bottom line: If you need to charge a laptop at full speed without hunting for outlets, this is one of the most reliable power banks available right now.

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• Capacity: 24,000mAh (86.4Wh – flight approved)
• Output: Up to 140W USB-C PD 3.1
• Ports: 2x USB-C + 1x USB-A
• Weight: ~630g
• Charging speed: ~1 hour with 140W charger
• Display: Smart digital screen (real-time input/output)

For comparison, most power banks max out at 30–65W — not enough to properly power high-performance laptops.

Yes — and at full speed.

The 140W output can charge:

• MacBook Pro 14” or
• 16”High-performance Windows ultrabooks
• Most USB-C powered laptops

You can expect: 1–1.5 full laptop charges (depending on model)

• Multiple phone charges
• Simultaneous laptop + phone charging

For remote workers who move between cafés and coworking spaces, this eliminates outlet anxiety.

This is next-level power delivery. Most power banks throttle laptop charging. The 737 doesn’t.

Instead of guessing battery levels, you see:

• Exact percentage remaining
• Real-time watt input/output
• Estimated recharge time

For professionals managing gear daily, this precision matters.

With a compatible 140W wall charger, it refills in about 1 hour. That’s unusually fast for a 24,000mAh battery.

Pros

• True laptop-level charging power
• Premium build quality
• Extremely fast recharge
• Airplane-safe capacity
• Reliable brand reputation

Cons

• Heavier than standard power banks
• Premium price
• Slightly bulky for small bags

You’ll love this if:

• You work remotely full-time
• You edit videos or run heavy software
• You travel long-haul frequently
• You attend conferences or work events
• You rely on power for income

You may not need it if:

• You only charge phones/tablets
• You rarely work outside home
• You prioritize ultra-light packing

Here’s a full break-down of the Anker 737 and how it compares to the next best alternative:

Feature	Anker 737 (PowerCore 24K)	UGREEN 25000mAh (145W)
Battery Capacity	24,000mAH (86.4Wh)	25,000mAH (~90Wh)
Max Output	140W (USB-C PD 3.1)	145W (USB-C PD 3.1 total output)
Laptop Charging	✅ Full-speed for MacBook Pro & high-performance laptops	✅ Full-speed for most USB-C laptops
Ports	2x USB-C + 1x USB-A	2x USB-C + 1x USB-A
Display	Advanced smart digital screen (real-time watts, time remaining)	Basic digital screen (power levels + watt display)
Recharge Speed	~1 hour (with 140W charger)	~1.5–2 hours (depending on charger)
Weight	~630g	~505–550g

If you want the most refined, premium experience — faster recharge, better display analytics, and top-tier build quality — go with the Anker 737. It’s built for professionals who depend on power daily.

If you want nearly the same laptop-level performance for less money, the UGREEN 25000mAh (145W) delivers excellent value and strong output without the premium price tag.

Related Guides:

• Check the full review for the UGREEN 25000mAh here.
• Carry-On Tech Essentials: My Packing List (Remote Worker Edition)

Imagine:

• You land after a 10-hour flight
• No available airport outlets
• Client meeting in 2 hours
• Laptop at 18%

The 737 gives you full-speed recovery without hunting for a socket.

That peace of mind is the real value.

If your laptop powers your income — yes.

Think of it as:

• A portable office insurance policy
• A backup energy system
• A productivity stabilizer

For casual users? Probably overkill.

For remote professionals? One of the best investments you can make.

If you’re building a remote work setup that’s reliable anywhere — airport lounges, beaches, mountain towns — this is one of the smartest gear upgrades you can make.

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• if you’re unsure how to choose travel tech, read our guide How to Choose the Best Travel Tech for Long Trips
• This product also appears in our Best Power Banks for Travel