Anker 737 PowerCore 24K vs Anker Prime 20000 — Which Should You Buy?
Side-by-side comparison of Anker 737 PowerCore 24K and Anker Prime 20000. We compare specs, performance, and value to help you decide.
Feature Comparison
| Feature | Anker 737 PowerCore 24K | Anker Prime 20000 |
|---|---|---|
| Capacity | 24,000mAh | 20,000mAh |
| Max Output | 140W | 200W |
| USB-C Ports | 2 | 2 |
| USB-A Ports | 1 | 1 |
| Input Speed | 100W | 100W |
| Weight | 580g | 440g |
| Dimensions | 6.7 x 3.2 x 1.2 in | 5.9 x 3.0 x 1.2 in |
| Passthrough | Yes | Yes |
| Display | Yes | Yes |
| Airline Safe | Yes | Yes |
Anker 737 PowerCore 24K
Pros
- ✓140W output charges MacBook Pro at full speed
- ✓Accurate capacity display with wattage readout
- ✓Dual USB-C ports support simultaneous fast charging
- ✓GaN technology keeps size manageable for 24Ah
- ✓Anker's 18-month warranty and reliable support
- ✓Excellent build quality and thermal performance
Cons
- ✗Heavier than smaller capacity options
- ✗Premium price point
- ✗Display adds slight bulk
Anker Prime 20000
Pros
- ✓200W total output—industry-leading
- ✓140W single-port for MacBook Pro 16"
- ✓Smart display with wattage and ETA
- ✓Compact for 20Ah + 200W
- ✓GaN efficiency keeps it cool
Cons
- ✗Premium price
- ✗20,000mAh less than 24K/25K options
- ✗Heavy when fully loaded
Our Verdict
Anker 737 PowerCore 24K
The best high-capacity power bank for professionals who need to charge a laptop and phone on the go. The 140W output and accurate display justify the premium.
Sale Price Live — Don't Miss OutAnker Prime 20000
Best power bank for MacBook Pro 16" and other high-wattage laptops. Nothing else delivers 200W in this size.
Sale Price Live — Don't Miss OutOur Methodology
We drain-test each power bank from 100% to 0% while charging devices to verify actual capacity vs rated. We measure charging speeds with USB power meters, test passthrough charging, and evaluate build quality and portability. No manufacturer has editorial influence.
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