OtterboxPower Bank - Fast Charge

Medium power bank
10000mAh

£21Typical price

Test score

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Considering the OTTERBOX FastCharge 10K portable power bank charger? You’d hope that it lives up to its self-proclaimed fast-charging credentials. Thankfully, our expert testing results are on hand to weigh up the performance of this power bank and sort speedy from sluggish chargers. To find out whether this charger lives up to our expectations, read our full review.

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What is it?
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KEY TEST RESULTS
Performance
Ease of use
Features

Mar 2024First reviewed by Which?

The overall Which? test score is made up of the following star ratings, all determined by our rigorous lab tests.

How we test portable power bank chargers

5 Mar 2024

Performance

Overall
Capacity - actual v claimed
Efficiency
Power bank charging time
Device charging time

How we test performance

How long does the power bank take to charge? How quickly will it charge your devices? And does it deliver on the amount of power that the manufacturer says it will?

Ease of use

Overall
Portability
Capacity and charging indicators
Sockets

How we test ease of use

Are the sockets well marked and far enough apart? Does the capacity indicator work properly? And how easy is it to carry around? We weight these results so that portability is more important in small power banks, and less important in large power banks

Features

How we test features

How many outputs does it have? Does it have any special features that let it charge faster? Does it have wireless? Can you charge this power bank and your devices at the same time?

General
Type	Medium power bank
Claimed capacity	10000mAh
Width	7.3cm
length	14.1cm
Height	1.6cm
Weight	233g

Features
Pass through charging	No
Power delivery	Yes
Wireless charging	No
Display type	4 LED indicators show battery power level
Accessories included	USB A to USB C cable

Power
Power bank charging time
No. smart phone charges possible	2.1680512052295
No. Tablet charges possible	0.93

Connections
Input 1	USB-C
Input 1 specs	5Vdc - 3A9Vdc - 2A12Vdc - 1.5A
Output 1	USB-A
Output 1 specs	5Vdc - 2.4A9Vdc - 2A12Vdc - 1.5A
Output 2	USB-C
Output 2 specs	5Vdc - 3A9Vdc - 2A12Vdc - 1.5A
Shared output	Yes
Max combined output	ns

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Juice

1 + Power Bank 4000mAh

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OtterboxPower Bank - Fast Charge