Watts Clever 20,800mAh 4.8A 3 USB output power bank. £9.95 Prime / £14.70 Non Prime - Sold by Watts Clever and Fulfilled by Amazon.
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Watts Clever 20,800mAh 4.8A 3 USB output power bank. £9.95 Prime / £14.70 Non Prime - Sold by Watts Clever and Fulfilled by Amazon.

21
Found 30th Sep 2017
A high capacity power bank with a useful display and the cheapest in the approx 20,000mAh capacity group. I tested the capacity and it is good, coming in at 50.37Wh, putting it at over twice my 10,050 mAh PowerAdd unit which came in at 22Wh. Bear in mind all power banks have some degree of energy loss to conversion and some fudging of the stated capacities I'm sure.

It's display can show the percentage remaining, and when devices are plugged in, the total Amps and Voltage. Useful to know how fast your devices are charging and a rudimentary test for cable quality, as poor quality cables will cause a low amperage. It won't show how fast the power bank itself is being charged however.

Its got a built in LED torch, which would last days if not weeks on the capacity I imagine. One quirk I've noticed is that the 0-5% of the power bank takes the longest to charge, and also to discharge. So I think the calibration is a bit off, but that is where a lot of the capacity lies.

My test from 100%:
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21 Comments
Delivery £4.99
Even with prime I’m still getting charged £5.99
Wilzia2 m ago

Delivery £4.99



Free on Prime
Wilzia1 m ago

Even with prime I’m still getting charged £5.99



That's odd, doesn't charge me for delivery on prime
Does this fast charge the phone?
Great - many thanks OP.

Just ordered - will be delivered tomorrow with free prime delivery.
Original Poster
You're welcome, sane4sure.
Sorry Wilzia, I'm not sure whats going on, I got free delivery on Prime.
livefortheweekends, if you are asking if it has the proprietary fast charging technologies like QuickCharge, PumpExpress or so on, it doesn't as far as I know. I don't have any high drain devices, but I managed to pull 1.6A off it with an LED lamp. It may well deliver more but my phones don't go higher than that.
Edited by: "aetaaas" 30th Sep 2017
Thanks op. Pretty good value for money and good reviews. Purchased as a spare. Heat!
Derlish9 m ago

Thanks op. Pretty good value for money and good reviews. Purchased as a …Thanks op. Pretty good value for money and good reviews. Purchased as a spare. Heat!


Good reviews? 2 of the six didn't get what they ordered and one of the remaining "reviews" sounds far too good to be true. A person could be forgiven for thinking it (and most of that individual's other 5* reviews) were - let's say - a little on the optimistic side
Edited by: "pete_l" 30th Sep 2017
thanks, ordered, you should be getting commission, selling it for them!
Grabbed a couple. Had to add a 22p nut (cheapest thing I could find) to get me over £20. If they indeed have 8x2600mAh LG cells in then it's cheaper than you could buy the cells alone.
Ordered
Great find, many thanks - ordered
Looks like it's sold out
Won't let me complete checkout.
All gone
900mah version still available for under a fiver
Quick update, mine turned up this morning. It is the 20800mAh version! Thanks OP!!!!
Same here, got mine today. 20800mAh version, crystal clear LCD with backlight and percentage charge, 3 USB ports and nice soft-touch finish casing. Amazing value for the money and doesn't seem to have skimped on quality despite the keen price.

Also came with padded drawstring case and micro-USB cable!

Plugged a few devices in and the LCD will even tell you what voltage it's putting out (mine's reporting 5.2V), the current (around 1.2A for a nearly charged phone) or the percentage charge left if you press the power button (it changes screen).
Edited by: "plewis00" 3rd Oct 2017
Got mine as well ..Am having issue where it stops charging after 5 - 10 min .Can Someone try n charge phone and see if you are able to charge continuously for hrs.
No problems with mine charging for long periods. Many thanks to OP.
mitre12 h, 43 m ago

No problems with mine charging for long periods. Many thanks to OP.


Yeh.Tried charging after draining phone battery to 0 and now it charges fine ..So issue may be with my my phone circuit not drawing enough power after being charged 80%.
Overall great deal Thanks ti OP
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