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Xiaomi power bank 10400mAh
The Xiaomi power bank 10400mah was launched as a smartphone accessory,not juts for the Xiaomi branded smartphones but for any phone. We checked it out with the Redmi 1s though.
Overall Rating : ★★★★★ 5 Reviewed By: Arindra Mishra
The overall performance of the power bank is measured on these features:
- Power capacity
- Charging time
- Durability and design
Power capacity
This power bank is very good in terms of the power charge capacity. While there are other power banks too, with double or more capacity but as you go higher, it becomes less and less pocketable.
One word of caution that needs to taken while choosing the power bank is that the manufacturer's claim of charge capacity may not be real one that is available for the user. Needless to say that the capacity is lower than the one printed on the box.
We checked out the Xiaomi power bank to measure the actual charge capacity. This could be done in two ways: measure the discharge time at constant current drain for the output voltage to drop around the 3.7v value. Another approach is to charge a phone again and again to see how many charges it gives.
The phone-recharge capacity will always be lower as there is some loss in charging of the phone in the form of heat plus the discharge rate of keeping the phone ON during the charge.
So how many times can you charge your phone?
Use our TechRasta formula :
n= ((Power bank capacity) x 0.6 ) / (phone's battery capacity)
We checked out the Xiaomi power bank to measure the actual charge capacity. This could be done in two ways: measure the discharge time at constant current drain for the output voltage to drop around the 3.7v value. Another approach is to charge a phone again and again to see how many charges it gives.
| Official | Discharge test | Phone - recharge cycle | |
| Capacity | 10400 mAh | 9800 mAh | ~9000 mAh |
The phone-recharge capacity will always be lower as there is some loss in charging of the phone in the form of heat plus the discharge rate of keeping the phone ON during the charge.
So how many times can you charge your phone?
Use our TechRasta formula :
n= ((Power bank capacity) x 0.6 ) / (phone's battery capacity)
Charging time
The charging time for the Xiaomi power bank 10400mAh depends on the charger. For this test we preferred the Xiaomi charger that came with the Redmi 1s.
While a theoretical value we got was 5 Hours, it took around 7 hours to charge completely for this review. Another thing to notice here is that the charge time varies with temperature too. With a lower power output charger of Motorola, it was not completely charged in overnight charging.
| Charger | Charging time |
|---|---|
| 500 mA | 20 hours |
| 1000 mA | 10 hours |
| 2000 mA | 5 hours |
| 3000 mA | 3 hours |
Durability and design
The Xiaomi product looks great enclosed in Aluminum casing with good quality socket and switches.
The tiny LEDs used are non-obstrusive and give a class of Apple made product. About the durability, it is too early to comment but it can surely last 2-3 years.
Also check out :
Ambrane 10400mAH power bank at 55% OFF
Also check out :
Ambrane 10400mAH power bank at 55% OFF
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