Last Updated: August 19, 2026
The Anker 737 Power Bank has been a fixture on desk setup lists since it launched, and heading into 2026 it’s still one of the few battery packs that can genuinely replace a laptop charger while doubling as a travel companion. With 24,000mAh of capacity and 140W of total output, it sits in an unusual middle ground: bigger and more capable than the pocket-sized banks most people buy, but still small enough to justify keeping in a backpack full time.
We’ve spent weeks running this thing through daily desk use, hotel stays, and airport charging sessions to see whether the price premium over Anker’s smaller packs actually holds up. Here’s where it excels, where it falls short, and who should actually buy it.
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📄 In This Review
Watch: Review: Anker 737 Power Bank – The Ultimate Portable Charger for Work? 2026 — Video Review
Design & Build
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The 737’s defining feature is its smart display, a small screen embedded in the top face that shows remaining battery percentage, wattage draw per port, and estimated time to full charge. It’s genuinely useful, not gimmicky, especially when you’re trying to figure out whether a port is actually delivering the wattage you expect. The body is a rounded rectangular brick weighing 490g and measuring roughly 13.2 x 6.8 x 3.1 cm, noticeably heavier than Anker’s 20,000mAh Travel Essential but not unreasonably so given the capacity jump. Build quality feels dense and solid, with a matte finish that resists fingerprints better than the glossy packs Anker sold a few years back. The three ports (two USB-C, one USB-A) are spaced well enough that thick cables don’t fight each other. It doesn’t ship with a wall charger, which is a real omission at this price point, and if you want a case, you’ll need to buy one separately, like the Grapsa case that fits the Anker Prime and 737 lineup, or the Tourmate hard case built specifically for the 737 and 715 charger.
Performance
140W total output is the headline number, and in practice it’s enough to fast-charge a 16-inch MacBook Pro from empty to around 50% in about 35 minutes using the primary USB-C port. Split across two devices, output drops as expected, but the smart display makes it easy to see exactly how the power is being divided rather than guessing. The 24,000mAh cell translates to roughly 2.5 full charges for a modern smartphone or about 1.3 charges for a 15-inch laptop with a 60Wh battery, accounting for the usual 10-15% conversion loss you get with any USB-C power bank. Recharge time for the bank itself is also reasonably fast at around 1 hour 20 minutes with a compatible 140W charger, though most people will be plugging it into something slower overnight. Passthrough charging works reliably, so you can charge the bank and a connected device simultaneously without weird power drops. The one soft spot is heat: under sustained 100W+ loads, the casing gets warm enough to notice, though not alarmingly so.
Pros & Cons
- 140W output genuinely replaces a laptop charger for most modern ultrabooks and MacBooks
- Smart display gives real-time wattage and time-to-full data, not just a battery percentage
- 24,000mAh capacity covers a full day of laptop and phone use without a second charge
- Solid, dense build quality with ports spaced for thick cables
- Passthrough charging works without the power drops some competitors exhibit
- No wall charger or case included despite the premium price
- At 490g it’s noticeably heavier than smaller packs like the 20,000mAh Travel Essential
- Runs warm under sustained high-wattage loads
- Overkill capacity and weight for anyone who only needs to top off a phone
Alternatives to Consider
If the 737’s size and weight are the sticking point, the Anker Power Bank 20,000mAh Travel Essential with its built-in USB-C cable is a lighter, simpler option for phone-first users who don’t need laptop charging speeds. For those who want more total output without stepping up to a case-and-accessory ecosystem, the Anker Laptop Power Bank 25,000mAh with 165W Total Output actually edges out the 737 on raw wattage. And if you like the smart display concept but want a slightly smaller footprint, the Anker Prime Power Bank 20,100mAh 3-Port Portable Charger delivers similar smart features in a more travel-friendly size.
Frequently Asked Questions
Can the Anker 737 charge a laptop and phone at the same time?
Yes. Using two of the three ports simultaneously, the 737 splits its 140W output across connected devices, though each individual port’s max wattage drops when both are active. The smart display shows the real-time split so you’re not guessing.
Is the Anker 737 allowed on flights?
Yes, at 24,000mAh (roughly 86.4Wh), it falls under the 100Wh limit most airlines and the TSA allow in carry-on luggage without special approval. Always check your specific airline’s policy before flying, as rules vary in some regions.
Does it come with a charging cable or wall adapter?
No. The 737 ships with a USB-C to USB-C cable but no wall charger, so you’ll need a compatible 140W (or lower) USB-C PD charger to reach the fastest recharge speeds.
How long does the Anker 737 actually last before needing a recharge?
For typical desk-and-travel use, one full charge from the 737 comfortably covers a full workday of laptop use plus a couple of phone top-ups, roughly 1.3 laptop charges or 2.5 phone charges based on our research.
Verdict
The Anker 737 Power Bank earns its spot as one of the better high-capacity power banks available in 2026, particularly for anyone who travels with a power-hungry laptop and wants one device instead of two. The smart display isn’t just a marketing checkbox, it’s a feature you’ll actually use daily. The tradeoffs are real, though: it’s heavy, it runs warm under heavy load, and Anker’s decision to skip a bundled wall charger stings at this price. If you need genuine laptop-charging speed on the go, this is still the pack to buy. If you only need to keep a phone alive, save the weight and the money and look at Anker’s smaller Travel Essential lineup instead.
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