Anker 737 Power Bank (PowerCore 24K) Review: The Ultimate 140W Portable Charging Solution
A detailed analysis of Anker's flagship 24,000mAh power bank with Power Delivery 3.1, designed for laptops, smartphones, and power users who refuse to compromise on charging speed.
Quick Verdict
Should you buy it? Yes, if you need to charge laptops on the go and want one of the most capable power banks available. The Anker 737 Power Bank (PowerCore 24K) delivers genuine 140W Power Delivery through its USB-C ports, enough to fast-charge a MacBook Pro or high-end Windows laptop while simultaneously powering your phone. At approximately $109.99, it's a premium investment, but the 24,000mAh capacity, intelligent power management, and build quality justify the price for serious users.
Rating: 4.5/5 — Excellent performance with minor portability trade-offs
Product Overview
The Anker 737 Power Bank (PowerCore 24K) represents Anker's flagship portable charging solution, designed specifically for users who need laptop-grade power in a portable format. Released as part of Anker's premium 737 series, this power bank distinguishes itself through genuine 140W USB-C Power Delivery 3.1 support — a specification that remains rare even in 2024.
Unlike standard 20,000mAh power banks that top out at 60W or 100W, the PowerCore 24K can sustain the full power requirements of modern laptops including the MacBook Pro 16-inch, Dell XPS 15, and Razer Blade series. The 24,000mAh (86.4Wh) capacity sits just under the 100Wh airline limit, making it flight-legal while maximizing portable energy storage.
Key Features at a Glance
- 24,000mAh Capacity: 86.4Wh total energy storage — charges most smartphones 4-6 times or provides 1+ full laptop charges
- 140W Power Delivery 3.1: First Anker power bank with full PD 3.1 support via USB-C
- Smart Digital Display: Real-time monitoring of input/output wattage, remaining capacity percentage, and estimated recharge time
- 3-Port Configuration: Two USB-C ports (140W max + 60W) plus one 18W USB-A port
- Bi-Directional Charging: Recharges itself at up to 140W when paired with appropriate wall charger
- ActiveShield 2.0: Anker's safety system with temperature monitoring and surge protection
- Airline Compliant: 86.4Wh capacity falls under TSA 100Wh limit for carry-on luggage
Detailed Specifications
| Specification | Details |
|---|---|
| Model Number | A1289 |
| Total Capacity | 24,000mAh / 86.4Wh |
| USB-C Port 1 (Input/Output) | 5V⎓3A / 9V⎓3A / 15V⎓3A / 20V⎓5A / 28V⎓5A (140W max) |
| USB-C Port 2 (Output) | 5V⎓3A / 9V⎓3A / 15V⎓3A / 20V⎓3A (60W max) |
| USB-A Port (Output) | 5V⎓3A / 9V⎓2A / 12V⎓1.5A (18W max) |
| Total Simultaneous Output | 140W max (combined) |
| Input Charging Speed | Up to 140W via USB-C Port 1 |
| Recharge Time (140W input) | Approximately 1 hour 15 minutes |
| Recharge Time (65W input) | Approximately 2 hours 30 minutes |
| Display Type | TFT color smart display |
| Dimensions | 155.8 × 54.6 × 49.65 mm |
| Weight | Approximately 630g (1.39 lbs) |
| Battery Type | Lithium Polymer |
| Safety Certifications | CE, FCC, RoHS, PSE, UL |
| Operating Temperature | 0°C to 40°C |
| Warranty | 24 months (Anker standard) |
Design and Build Quality
Physical Construction
The Anker 737 Power Bank exhibits the build quality expected from Anker's premium product lines. The exterior uses a matte black finish with subtle texture that resists fingerprints better than glossy alternatives. The unit feels substantial in hand — at 630 grams, it's noticeably heavier than 10,000mAh alternatives, but this weight communicates the substantial battery capacity within.
The form factor prioritizes capacity over pocketability. Measuring 155.8mm × 54.6mm × 49.65mm, it's roughly the size of a thick smartphone stacked atop a portable hard drive. This makes it better suited for backpacks, messenger bags, or briefcases rather than pockets. For users seeking maximum capacity in a TSA-friendly package, this represents an acceptable trade-off.
The Smart Digital Display
The standout design feature is the TFT color display positioned on the top panel. Unlike basic four-LED capacity indicators found on budget power banks, this screen provides actionable information:
- Remaining Capacity: Precise percentage (0-100%) rather than approximate quarter increments
- Output Power: Real-time wattage being delivered to connected devices
- Input Power: Wattage being received during recharging
- Estimated Time: Projected hours and minutes until full recharge
- Battery Health: Cycle count and battery health indicators
Port Layout and Accessibility
The three charging ports are arranged on one end of the unit: two USB-C ports flanking a single USB-A port. This layout works well for cable management, though users with thick USB-A connectors may find the spacing slightly tight when all three ports are occupied. The USB-C ports are clearly differentiated — the 140W port is labeled with "140W" and "IN/OUT" markings, while the 60W port is marked "OUT ONLY."
Setup and Ease of Use
Initial Setup
The Anker 737 arrives partially charged (typically 30-50% capacity) and requires no setup beyond connecting your devices. The included 140W USB-C to USB-C cable supports the full power output, though users should note that wall chargers capable of 140W input are sold separately.
Reading the Display
The smart display activates automatically when the power bank detects connected devices or when you press the side button. Information cycles through different screens showing output wattage per port, total remaining capacity, and estimated recharge time. The display remains active for approximately 30 seconds after the last interaction.
One subtle but appreciated feature: the display shows which specific ports are active and their individual power draw. This helps diagnose charging issues — if your laptop isn't charging at expected speeds, the display immediately reveals whether the power bank is delivering 100W or only 60W.
Multi-Device Charging Logic
When multiple devices connect simultaneously, the power bank intelligently distributes available power. The total 140W output gets allocated according to device demands and port capabilities. For example:
- MacBook Pro via 140W port: up to 100W (leaving 40W for other devices)
- iPhone via 60W port: up to 20-27W
- Accessories via USB-A: up to 18W
If the combined demand exceeds 140W, the power bank prioritizes the highest-power device and reduces output to secondary connections.
Real-World Performance Testing
Laptop Charging Capability
The primary differentiator of the Anker 737 is genuine laptop charging capability. In testing scenarios with multiple laptop models:
MacBook Pro 16-inch (M1 Pro/M2 Pro): The power bank successfully delivered 140W, charging from 20% to 80% in approximately 70 minutes while the laptop remained in active use. This matches the performance of Apple's own 140W wall charger.
Dell XPS 15 (9520): Sustained 100W delivery maintained the battery level during heavy workloads and provided meaningful charging during light use. The XPS 15's 86Wh battery reached 50% charge in roughly 45 minutes.
Steam Deck / ASUS ROG Ally: Both gaming handhelds charged at their maximum 45W rates, with the power bank showing sustained output without thermal throttling.
Smartphone and Tablet Charging
For phones, the Anker 737 is admittedly overkill — but in the best possible way. An iPhone 15 Pro Max charges from 0-50% in approximately 30 minutes using the USB-C port with a compatible cable. The power bank's capacity allows for approximately 5-6 full charges of modern flagship smartphones.
Tablets including the iPad Pro 12.9-inch and Samsung Galaxy Tab S9 Ultra charge at their maximum 45W rates, with the power bank providing 1.5-2 full charges depending on tablet model.
Recharge Performance
The bidirectional 140W capability means the power bank recharges remarkably quickly when paired with appropriate hardware. Using Anker's 737 Charger (GaNPrime 120W) or equivalent 140W PD 3.1 charger:
- 0-50%: Approximately 25 minutes
- 0-100%: Approximately 1 hour 15 minutes
This rapid recharge capability transforms how you use the device — rather than leaving it charging overnight, you can top up during a lunch break or between meetings.
Thermal Management
During sustained 140W output, the power bank becomes noticeably warm but not uncomfortably hot. Anker's ActiveShield 2.0 system monitors internal temperatures and will throttle output if thermal limits are approached. In normal ambient conditions (20-25°C), the power bank maintained 140W output for over 30 minutes without throttling.
Battery Technology and Safety
Cell Configuration
The 24,000mAh capacity derives from high-density lithium polymer cells arranged to deliver the high current required for 140W output. Anker's reputation for battery quality — built over a decade of power bank manufacturing — manifests in conservative charging algorithms that prioritize longevity over speed when battery health would be compromised.
Safety Systems
The ActiveShield 2.0 protection suite includes:
- Temperature monitoring with automatic shutdown at thermal limits
- Short-circuit protection across all ports
- Over-voltage and under-voltage protection
- Over-current protection for connected devices
- Foreign object detection for metal debris
Customer Feedback Analysis
Aggregating reviews from verified purchasers across AliExpress, Amazon, and Anker's direct store reveals consistent themes:
Recurring Praise
- Genuine 140W Output: Users consistently confirm the power bank delivers advertised wattage to compatible laptops
- Display Utility: The smart display receives universal praise for providing actionable charging information
- Build Quality: Premium feel and durability compared to budget alternatives
- Fast Self-Recharge: Ability to fully recharge in just over an hour when using 140W input
- Airline Compliance: Confirmed acceptance by TSA and international carriers
Common Complaints
- Weight and Size: Multiple users note it's heavier than expected — important for ultralight travelers
- Price: At $109.99, it's significantly more expensive than 20,000mAh alternatives
- No Wall Charger Included: Must purchase separately to achieve 140W recharge speeds
- USB-A Port Limitations: 18W maximum feels dated when USB-C is becoming universal
Reliability Reports
Long-term user reports (6+ months of ownership) indicate excellent battery retention with minimal capacity degradation. The smart display provides early warning of any cell imbalance issues. Anker's 24-month warranty covers manufacturing defects, with customer service generally responsive to warranty claims.
Pros and Cons
| Pros | Cons |
|---|---|
| ✓ Genuine 140W Power Delivery 3.1 support | ✗ Premium price point ($109.99) |
| ✓ 24,000mAh capacity in TSA-friendly 86.4Wh package | ✗ Heavy at 630g — not pocket-friendly |
| ✓ Informative smart digital display | ✗ 140W wall charger sold separately |
| ✓ Rapid 1h 15min self-recharge with appropriate charger | ✗ USB-A port limited to 18W |
| ✓ Charges laptops while in active use | ✗ Display visibility reduced in bright sunlight |
| ✓ Premium build quality and safety certifications | ✗ No wireless charging capability |
| ✓ 24-month warranty from established brand | ✗ Limited color options (black only) |
Who Should Buy It
The Anker 737 Power Bank (PowerCore 24K) is ideal for:
- Mobile Professionals: Consultants, sales teams, and remote workers who need laptop power during travel without hunting for outlets
- Content Creators: Photographers and videographers working on-location who need to power laptops, cameras, and lighting equipment
- Students: All-day library or campus use without access to power outlets
- Business Travelers: Frequent flyers who need compliant carry-on power that actually charges laptops
- Power Users: Anyone frustrated by 60W power banks that can't maintain laptop battery levels during use
Who Should Avoid It
Consider alternatives if you fall into these categories:
- Light Phone-Only Users: If you only charge smartphones, a 10,000mAh power bank at half the price and weight makes more sense
- Ultralight Travelers: The 630g weight is significant for backpackers counting every ounce
- Budget-Conscious Shoppers: At $109.99, it's 3-4x the price of basic 20,000mAh alternatives
- Wireless Charging Devotees: The lack of Qi wireless charging may disappoint users accustomed to cable-free convenience
Price and Value Assessment
Current Pricing
The Anker 737 Power Bank (PowerCore 24K) is priced at $109.99 USD through Anker's official channels and authorized AliExpress sellers. Occasional promotional pricing drops this to approximately $89.99 during sales events.
Value Analysis
When evaluating value, consider the cost per watt-hour and unique capabilities:
| Metric | Anker 737 | Typical 20,000mAh/60W |
|---|---|---|
| Price | $109.99 | $35-50 |
| Capacity | 86.4Wh | 74Wh |
| Max Output | 140W | 60W |
| Laptop Charging | Full-speed | Slow/maintenance only |
| Cost per Wh | $1.27 | $0.47-0.68 |
The premium pricing reflects the specialized 140W capability that budget alternatives cannot match. For users who genuinely need laptop charging, the value proposition is strong. For phone-only users, the value is poor compared to simpler alternatives.
AliExpress Buying Guide
Finding Legitimate Sellers
When purchasing the Anker 737 on AliExpress, prioritize:
- Anker Official Store: The manufacturer-operated store with highest authenticity guarantee
- Anker Authorized Store: Verified distributors with official authorization badges
- Stores with 95%+ Positive Feedback: Established sellers with extensive transaction history
- AliExpress Choice Products: Items vetted by AliExpress for quality and shipping reliability
Price Red Flags
Be cautious of listings priced significantly below $90. Counterfeit power banks are common in the portable charging market, and fake units may lack safety protections or deliver fraction of advertised capacity. Authentic Anker products include:
- Holographic authenticity sticker on packaging
- Unique serial number verifiable on Anker's website
- Multi-language manual with CE/FCC markings
- Anker-branded 140W USB-C cable in box
Shipping Considerations
AliExpress shipping to the USA typically takes:
- AliExpress Standard Shipping: 15-25 days (free or low-cost)
- AliExpress Premium Shipping: 10-15 days ($5-15 depending on location)
- DHL/FedEx: 5-10 days ($20-40)
Given the value of this item, Premium Shipping or tracked courier service is recommended for peace of mind.
Buyer Protection
AliExpress provides:
- Full Refund Guarantee: If item not received within buyer protection period
- Return Within 15 Days: For defective or significantly different items
- Dispute Resolution: Mediation for seller disputes
Anker's own 24-month warranty operates independently and covers defects regardless of purchase channel.
Competitors and Alternatives
Direct Competitors
Shargeek Storm 2
The Storm 2 offers similar 100W output with a transparent cyberpunk aesthetic and IPS display. However, it lacks true 140W PD 3.1 support and costs $20-30 more. The Storm 2 suits style-conscious users; the Anker 737 prioritizes function.
Baseus Adaman 65W
At roughly half the price, the Adaman provides 65W output suitable for smaller laptops and tablets. It won't charge MacBook Pro 16-inch at full speed but handles ultrabooks adequately. Best for users with lighter power needs.
Omni 20+
The Omni 20+ includes AC outlet and wireless charging but costs $199+. Its 60W USB-C output lags behind the Anker 737 for modern laptops. Consider only if AC outlet is essential.
Comparison Table
| Feature | Anker 737 | Shargeek Storm 2 | Baseus Adaman | Omni 20+ |
|---|---|---|---|---|
| Price | $109.99 | $139 | $59.99 | $199 |
| Capacity | 24,000mAh | 25,600mAh | 20,000mAh | 20,000mAh |
| Max Output | 140W | 100W | 65W | 100W (AC: 100W) |
| PD 3.1 Support | Yes | No | No | No |
| Display | TFT Smart | IPS | LED | OLED |
| Weight | 630g | 590g | 480g | 620g |
| AC Outlet | No | No | No | Yes |
| Wireless Charging | No | No | No | 10W |
Final Verdict
The Anker 737 Power Bank (PowerCore 24K) earns its premium positioning through genuine capability that cheaper alternatives cannot match. The 140W Power Delivery 3.1 output isn't marketing fluff — it's the difference between maintaining your laptop's charge during a flight and watching the battery drain despite being "plugged in."
For mobile professionals, content creators, and power users who've been frustrated by underpowered portable chargers, the Anker 737 delivers exactly what it promises. The smart display adds genuine utility, the build quality inspires confidence, and the rapid self-recharge capability transforms how you integrate it into your workflow.
The weight and price are real considerations that make this inappropriate for casual phone-charging needs. But if you regularly find yourself hunting for power outlets to keep a laptop alive, the Anker 737 is the solution you've been seeking — and the $109.99 investment pays for itself in productivity preserved.
Recommendation: Buy if you need laptop charging capability; skip if phone charging is your only need.
Check Price & Availability on AliExpress
Frequently Asked Questions
Can the Anker 737 Power Bank charge a MacBook Pro 16-inch at full speed?
Yes. The Anker 737 supports Power Delivery 3.1 with 140W output, which matches the maximum charging speed of MacBook Pro 16-inch models (both Intel and Apple Silicon versions). When connected via the 140W USB-C port using the included cable or Apple's 140W cable, the power bank delivers the same charging performance as Apple's wall charger.
Is the Anker 737 allowed on airplanes?
Yes. The Anker 737 has a capacity of 86.4Wh, which falls under the TSA and international airline limit of 100Wh for lithium batteries in carry-on luggage. It cannot be checked in luggage — it must be carried in your carry-on bag. The power bank should be easily accessible for security screening.
How long does it take to fully recharge the Anker 737?
With a 140W Power Delivery 3.1 charger (sold separately), the Anker 737 recharges from 0-100% in approximately 1 hour and 15 minutes. Using a 65W charger, expect around 2 hours and 30 minutes. Using a standard 18W charger would take 6+ hours. The included cable supports 140W, but the wall charger is not included in the package.
Can I use the Anker 737 while it's charging?
Yes, the Anker 737 supports pass-through charging, meaning you can charge connected devices while the power bank itself is being recharged. However, during pass-through, the total output to devices is reduced, and the power bank may generate additional heat. For fastest device charging, use the power bank on battery power rather than pass-through mode.
Does the Anker 737 come with a wall charger?
No. The package includes the power bank, a 140W USB-C to USB-C cable, and documentation. To achieve the fastest recharge times (1h 15min), you need to purchase a separate 140W PD 3.1 wall charger. Anker's 737 Charger (GaNPrime 120W) or 747 Charger (GaNPrime 150W) are compatible options, though any 100W+ PD charger will work.
How many times can the Anker 737 charge my devices?
Approximate full charges from the Anker 737's 24,000mAh capacity: iPhone 15 Pro Max: 5-6 charges; Samsung Galaxy S24 Ultra: 4-5 charges; iPad Pro 11-inch: 2 charges; MacBook Air M2: 1.3 charges; MacBook Pro 14-inch: 0.9 charges; MacBook Pro 16-inch: 0.7 charges. Actual results vary based on device battery health, usage during charging, and ambient temperature.
What's the difference between the Anker 737 and cheaper 20,000mAh power banks?
The key differentiator is Power Delivery capability. Most 20,000mAh power banks max out at 18W, 30W, or 60W output — enough for phones and tablets, but insufficient for laptops. The Anker 737's 140W output can charge laptops at full speed while in use. Additionally, the smart display, premium build quality, and 140W input charging for rapid self-recharge are features not found in budget alternatives.
Does the smart display drain the battery?
The TFT display has minimal impact on overall battery life. It automatically turns off after 30 seconds of inactivity and consumes only milliwatts when active. The display's power draw is negligible compared to the power delivered to connected devices. You can expect the same 24,000mAh effective capacity whether using the display frequently or not.
What devices are NOT compatible with the Anker 737?
The Anker 737 is universally compatible with USB-C and USB-A devices, but some limitations apply: Devices requiring proprietary charging (some Dell laptops with barrel connectors without USB-C PD, older Microsoft Surface models without USB-C) need adapter cables; Devices with voltage requirements outside 5V-28V range; Very low-power devices (some Bluetooth earbuds, fitness trackers) may not trigger the power bank's output — use the trickle-charge mode by double-pressing the power button.
How do I verify my Anker 737 is authentic?
Authentic Anker 737 units include: Holographic security sticker on the box with QR code for verification; Unique serial number printed on the power bank and box, verifiable on Anker's website; High-quality packaging with proper CE, FCC, and RoHS markings; Included 140W USB-C cable with Anker branding; Smart display with Anker logo on boot. Counterfeit units often have misspelled packaging, missing certifications, and non-functional or basic displays.
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