If you are looking for a detailed guide into choosing an appropriate power bank for yourself, this is the right place. Ranking the power banks based on charging speed, capacity efficiency, charging time and single port output, here’s our top 5 choices, including comparison charts of them.
1. Anker 737
With a USB type of connector and a strong double-sided charging performance: equipped with the latest Power Delivery 3.1 and bi-directional technology, it has a smart, easy to use display and it’s lightweight. It gives overall best performance on the list.
- Max Charging Speed (Watts): 131W
- Capacity Efficiency: 69% of rated capacity (99.2 Wh)
- Charging Time: 0.7 hours (48 minutes)
- Single Port Output: 93.6W
- Dual Port Output: 131W
- Overall Grade: A
2. INIU B61
For a special feature, it has LED Indicator Lights, and a built-in phone holder. It supports all mainstream fast – charging protocols to ensure that any and all devices are fully charged in the shortest time possible. With better capacity efficiency than the Anker, it balances between that and good maximum charging speed as well as charging time.
- Max Charging Speed (Watts): 17.27W
- Capacity Efficiency: 89% of rated capacity (32.7 Wh)
- Charging Time: 4.12 hours
- Single Port Output: 18W
- Dual Port Output: 20W
- Overall Grade: A
3. Baseus
Baseus has similar maximum charging speed as the INIU B61 but it’s charging time is not as durable as the INIU’s. But it gives good performance in the test proving that it can be a valuable investment.
- Max Charging Speed (Watts): 17.69W
- Capacity Efficiency: 82% of rated capacity (30.46 Wh)
- Charging Time: 3.54 hours
- Single Port Output: 17W
- Dual Port Output: 17W
- Overall Grade: A-
4. FEOB 5000mAh Mini Power Bank
Designed for Iphone specifically, it can be used for various iOS devices. The power bank uses PD fast charging technology. It can quickly charge your devices, bringing a faster charging experience.
- Max Charging Speed (Watts): 10.2W
- Capacity Efficiency: 59% of rated capacity (10.96 Wh)
- Charging Time: 2.33 hours
- Single Port Output: 10.2W
- Overall Grade: C
5. Miady 2 pack power bank
Two 10000mAh battery packs are good not only for portable charging but also around the home. USB-C charging is available, making it easier to charge an iPhone or Android phones with USB-C cord. It’s a decent power bank but its performance doesn’t level to the others on the list.
- Max Charging Speed (Watts): 6.4W
- Capacity Efficiency: 77% of rated capacity (14.29 Wh)
- Charging Time: 6.23 hours
- Single Port Output: 6.4W
- Overall Grade: B-
6. RGVOTA portable charger
It has the LED display which helps with easily tracking the status of charging, and 38800 Milliamp Hours of battery capacity. Compared to others, it has slow charging time and it’s not a powerful as those that are on the top of the list.
- Max Charging Speed (Watts): 12W
- Capacity Efficiency: 45% of rated capacity (65.4 Wh)
- Charging Time: 10.5 hours
- Single Port Output: 6W
- Dual Port Output: 12W
- Overall Grade: D
Comparison charts
| Power bank | Max charging speed | Capacity efficiency | Charging time | Single port output | Dual port output | Overall grade |
| Anker 737 | 131W | 69% | 0,7h | 93.6W | 131W | A |
| INIU B61 | 17.27W | 89% | 4,12h | 18W | 20W | A |
| Baseus | 17W | 82% | 3,54h | 17W | 17W | A- |
| FEOB | 10.2W | 59% | 2,33h | 10.2W | C | |
| Miady | 6.4W | 77% | 6,23h | 6.4W | B- | |
| RGVOTA | 12W | 45% | 10,5 | 6W | 12W | D |
The overall best is Anker 737, and coming close second is INIU B61, both with great charging speeds and capacity while the most affordable option would be Baseus while keeping quality performance.