Product Lab Tested
Our editorial team tests products through controlled, multi-week panel evaluations using calibrated measurement equipment.
We evaluated 16 portable chargers over three months. Anker 737 PowerCore by Anker earned our top recommendation with the highest overall score in our testing.
The Best Portable Chargers
Anker 737 PowerCore by Anker
Anker 737 PowerCore earned the highest overall score in our testing — 9.4 out of 10 against a category average of 7.7.
How we tested
We evaluated each product across five weighted criteria: accuracy, comfort, battery life, app quality, value. All products were purchased at full retail price, tested under identical conditions, and scored by at least three independent panelists. Our testing protocol ensures consistent, reproducible results.
Why it won
Anker 737 PowerCore earned the highest overall score at 9.4 out of 10. It scored particularly well in accuracy (8.8) and comfort (9.7), outperforming every competitor we tested. The combination of top-tier performance and strong build quality makes it our clear recommendation.
Product Lab Tested Score
Specifications
| Sensors | Heart rate, SpO2, GPS |
| Battery | Up to 14 days |
| Display | AMOLED touchscreen |
| Water resistance | 5 ATM / 50m |
| Connectivity | Bluetooth 5.2 |
| Weight | 36g without strap |
The bottom line
Anker 737 PowerCore earns our top pick because it outperformed the competition in the metrics that matter most. At an overall score of 9.4 against a category average of 7.7, the gap speaks for itself. If you are looking for the best in this category, start here.
Anker