Battery life
- Anker Power Bank 20
- 20,000 mAh battery
- Xiaomi UltraThin Magnetic Power Bank 5000 15W
- 5,000 mAh battery
Power bank comparison
Compare capacity, charging speed, ports and weight.
01Selected ![]() Anker Power Bank 20,000mAh, 87W (Built-In USB-C Cable)
KSh 7,910In Stock | 02 ![]() Xiaomi UltraThin Magnetic Power Bank 5000 15W
KSh 9,760In Stock |
|---|




Choose the Anker Power Bank 20 if you want a bigger 20,000 mAh battery.
The main differences to help you choose.
Explore the full specifications, section by section.
| Specification | Anker Power Bank 20,000mAh, 87W (Built-In USB-C Cable) | Xiaomi UltraThin Magnetic Power Bank 5000 15W |
|---|---|---|
| Brand | Anker | Xiaomi |
| Model | A1383H11 | 74495 / 74839 |
| Battery capacity | 20,000mAh cell capacity | 5000mAh typical; 4900mAh rated at 3.79V |
| Maximum output power | Up to 87W total shared output; up to 65W from one USB-C connection | 22.5W USB-C; 15W maximum wireless; compatible iPhones up to 7.5W wireless |
| Input ports | Built-in USB-C cable and USB-C port | USB-C |
| Output ports | Built-in USB-C cable, USB-C port and USB-A port | USB-C; magnetic wireless induction |
| Input profiles | USB-C: 5V 3A; 9V 3A; 12V 1.5A; 15V 3A; 20V 3.25A — up to 65W | — |
| Output profiles | USB-C cable / port: 5V 3A; 9V 3A; 10V 2.25A; 12V 3A; 15V 3A; 20V 3.25A — up to 65W. USB-A: 5V 3A; 9V 2A; 10V 2.25A; 12V 1.5A. Total output up to 87W shared | USB-C: 5V⎓3A or 9V⎓2.5A, 22.5W maximum; simultaneous USB-C 7.5W maximum + wireless 5W maximum |
| Integrated cable | Built-in USB-C cable; manufacturer tested for 10,000+ bends | — |
| Power-bank charging time | Approximately 1.5 hours at 65W under manufacturer test conditions | — |
| Rated capacity | — | 3000mAh at 5V⎓2A |
| Rated energy | — | 18.58Wh rated; 18.95Wh typical |
| Net weight | — | 98g |
| Specification | Anker Power Bank 20,000mAh, 87W (Built-In USB-C Cable) | Xiaomi UltraThin Magnetic Power Bank 5000 15W |
|---|---|---|
| Dimensions | 157.5 × 73.5 × 26mm | 98.5 × 71.5 × 6mm |
| Weight | — | 98g |
| Specification | Anker Power Bank 20,000mAh, 87W (Built-In USB-C Cable) | Xiaomi UltraThin Magnetic Power Bank 5000 15W |
|---|---|---|
| Capacity | 20,000mAh cell capacity | — |
| Total output | Up to 87W shared | — |
| USB-C output | Up to 65W from one connection | — |
| Connections | Built-in USB-C cable, USB-C port and USB-A port | — |
| Input | Up to 65W through USB-C | — |
| Display | Battery charge indicator | — |
| Recharge | Approximately 1.5 hours at 65W under test conditions | — |
| Package | Power bank and welcome guide; wall charger separate | — |
| Specification | Anker Power Bank 20,000mAh, 87W (Built-In USB-C Cable) | Xiaomi UltraThin Magnetic Power Bank 5000 15W |
|---|---|---|
| Finish | — | Glacier Silver |
| Typical battery capacity | — | 5000mAh; 18.95Wh |
| Rated output capacity | — | 3000mAh at 5V/2A |
| Wireless output | — | Up to 15W on supported devices; iPhones up to 7.5W |
| USB-C output | — | Up to 22.5W with suitable equipment |
| Simultaneous output | — | Up to 7.5W USB-C + 5W wireless |
| Package contents | — | Power bank; user manual; warranty card |
The Anker Power Bank 20 has a 20,000 mAh battery (vs 5,000 mAh). Both charge over USB-C.
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