EAFU Power bank, Mini Size 10000mAh LED Display Portable Charger - £9.99 (+£4.49 non-Prime) - Sold by LUMA11 / Fulfilled by Amazon
414°

EAFU Power bank, Mini Size 10000mAh LED Display Portable Charger - £9.99 (+£4.49 non-Prime) - Sold by LUMA11 / Fulfilled by Amazon

£9.99£11.9917% Free P&P FreeAmazon Deals
39
Posted 19th May
EAFU Power bank, Mini Size 10000mAh LED Display Portable Charger, Dual 3A Outputs & USB C Input Battery Pack with Flashlight, Compatible with iPhone Xs 8 iPad Samsung S10 Plus Note 10 Airpod


  • ✅【One of A Kind】The most compact and portable among all 10000mAh power banks, also featuring a LED digital display to let you know before go, makes it even outstanding on the whole market.
  • ✅【Safest Fast Charging】EAFU’s exclusive FastFuel & SmartProtect technology combined to not only provide you with dual 3A high-speed charging, but ensure complete protection for you and your devices.
  • ✅【All-Day Power】Its tiny size holds a huge 10000mAh, enough to top up iPhone 8 3.6 times, Samsung S8 2.3 times and iPad 1.2 times.
  • ✅【Handy Flashlight】Simply click the power button twice to turn on/off it. Comes in handy for reading, camping, blackout or emergency.
  • ✅【What You Get】EAFU 10000mAh Power Bank*1, Micro USB Cable*1, Travel Pouch *1, Welcome Guide*1, EAFU exceptional 3 years warranty and life time technical support.
Community Updates

Groups

39 Comments
£2 voucher so it's £7.99 prime BARGAIN
There a £2 voucher you can apply to the order makes it£8
Thank you
Thanks, ordered. But do I want it
Thank you
Good deal
Now I have far more battery packs then actual appliances to charge
Couldn't resist at 8 quid
Shame only input for usb c, otherwise good price and very portable.
sheffield78819/05/2020 21:54

Shame only input for usb c, otherwise good price and very portable.


I read it as usb c and micro
ASTONDB919/05/2020 22:03

I read it as usb c and micro


I think it only has input, not output. So basically charges faster from the plug, but does not charge your phone via usb c.
Bargain.Got one for my daughter few months back and it came with a little USB light (look at the photos in reviews section)
Thanks. Ordered
One reviewer stating the max output is 6000mah
ElSheriff19/05/2020 23:02

One reviewer stating the max output is 6000mah


Not convinced that reviewer knows what he's talking about.
ElSheriff19/05/2020 23:02

One reviewer stating the max output is 6000mah


Probably not 6000 mAh, but will not be 10,000, this is normal on all PB, will probably have 10-15% less.
Would be rude not to purchase at 7.99!
domd21219/05/2020 21:16

£2 voucher so it's £7.99 prime BARGAIN


How do i use /find this voucher
Ritss20/05/2020 06:32

How do i use /find this voucher


No special offer voucher for me
Ritss20/05/2020 06:32

How do i use /find this voucher


It was just under the add to basket, buy it now buttons. This was yesterday so maybe they have removed it which is unfortunate.
Suspect voucher only for primers
johnjrambo20/05/2020 11:59

Suspect voucher only for primers


It showed for me yesterday and I don't have prime. Very good price if it includes the seperate light.
Edited by: "Godspeed" 20th May
Just arrived, looks very good.
plewis0019/05/2020 23:26

Not convinced that reviewer knows what he's talking about.


6,000 probably isn't far off. Most of these 10,000 packs rate around 7,000.

Why? The stated rating is based on being discharged at 3.?v whereas they are almost always used at 5.0v.

johnjrambo20/05/2020 11:59

Suspect voucher only for primers


I have prime but no voucher. Bargain at £9.99 anyway though.
repouk20/05/2020 13:50

6,000 probably isn't far off. Most of these 10,000 packs rate around …6,000 probably isn't far off. Most of these 10,000 packs rate around 7,000.Why? The stated rating is based on being discharged at 3.?v whereas they are almost always used at 5.0v.:{


That's not how capacity works... 10,000mAh at 3.7V = 37Wh, that's the important figure. 6,000 is meaningless, what you're effectively saying is that it's only got 60% effiency but it's wrong to say it's 6,000mAh capacity because it isn't. You lose power in conversion and through the charging circuitry at either end. I'd expect a 10,000mAh power bank to charge a normal phone about 2.5 times. If it's doing much less then it may be faulty as some people said.
plewis0020/05/2020 14:16

That's not how capacity works... 10,000mAh at 3.7V = 37Wh, that's the …That's not how capacity works... 10,000mAh at 3.7V = 37Wh, that's the important figure. 6,000 is meaningless, what you're effectively saying is that it's only got 60% effiency but it's wrong to say it's 6,000mAh capacity because it isn't. You lose power in conversion and through the charging circuitry at either end. I'd expect a 10,000mAh power bank to charge a normal phone about 2.5 times. If it's doing much less then it may be faulty as some people said.


Don't believe me if you don't want to. But that's how it is.

repouk20/05/2020 14:18

Don't believe me if you don't want to. But that's how it is.:{


It's not 'how it works', it is wrong and misleading. The cells inside are 10,000mAh at 3.7V - therefore the capacity = 10,000mAh. The cell in your smartphone is 3.7-3.8V. So it's not about believing anyone it's about using the right terminology and if you actually mean 'efficiency is 60%' then that's what you should say.
repouk20/05/2020 14:44

Comment deleted


Great - then keep peddling the wrong information as usual because you don’t understand basic principles of electricity.

It’s 10k mAh capacity and it has perceived efficiency of 70% due to conversion - that doesn’t make the cells 7,000mAh they’re still 10,000mAh. Would you also call a 1.5L engine that puts out the same power as a 1.2L engine, a 1.2L engine by the same logic?

It’s not my fault you can’t comprehend this.
The real world capacity of a 10k powerbank is around 7k. The original statement was that someone measuring a 10k powerbank at 6k must have received a faulty one. This shows that 6k is perfectly possible especially when given the propensity for no name brand Chinese companies to exaggerate the quality of the goods they are trying to sell.

Here's the proof you keep trying to have removed:

google.com/sea…ted
repouk20/05/2020 15:30

The real world capacity of a 10k powerbank is around 7k. The original …The real world capacity of a 10k powerbank is around 7k. The original statement was that someone measuring a 10k powerbank at 6k must have received a faulty one. This shows that 6k is perfectly possible especially when given the propensity for no name brand Chinese companies to exaggerate the quality of the goods they are trying to sell.Here's the proof you keep trying to have removed:https://www.google.com/search?client=firefox-b-d&q=why+is+my+power+bank+lower+capacity+than+stated


What you mean by this is if I had a phone with a 3500mAh battery you’d expect to be able to charge it twice. But that is power conversion and heat loss, nothing to do with the cell capacity... if you got a 10000mAh Anker power bank (not a lying Chinese brand...), exactly the same thing would happen because you’ll only get approximately 70% efficiency from the 10000mAh rated cells. Saying ‘therefore it’s only 7000mAh’ is completely and totally wrong.

I complained because you made stupid comments about taking meds and I didn’t really want to fight back when it’s you who doesn’t understand pretty basic science.

Your Google link is proof of precisely nothing.
plewis0020/05/2020 16:46

Comment deleted



I'm far more intelligent than you are and have the qualifications to prove it. You didn't understand what I'd written in the first place, dished out insults but can't take them yourself and quoted me incorrectly (more than once). It's time you had that cuppa.

repouk20/05/2020 16:51

I'm far more intelligent than you are and have the qualifications to prove …I'm far more intelligent than you are and have the qualifications to prove it. You didn't understand what I'd written in the first place, dished out insults but can't take them yourself and quoted me incorrectly (more than once). It's time you had that cuppa.:{


You’re not - this has pretty much proved it. I understood what you’d written, it was just completely wrong.

Cells in this are rated at 10000mAh, that makes them 10000mAh. You don’t rate them after power loss or efficiency - you seem completely incapable of grasping this like any other person would especially one who is so intelligent with qualifications. I even gave you a suitable analogy to help - so if a car engine has a displacement of 1.5L but has power similar to a 1.2L do we call it a 1.2? No you call it a 1.5L because that’s it’s actual displacement. Same thing here.
And again you're just proving that you didn't understand what I'd originally said:


powerbankguide.com/pow…ed/

Understanding Power Bank Capacity

The reason for this mismatch is that mAH is not a good unit to measure battery capacity when the voltages of the battery and charged devices are different. Li-ion batteries used in power banks output 3.7 volt (nominal) but your phones’ batteries get charged at 5 volt.

mWH or watt-hours is the ideal way to measure a battery’s stored energy as it is voltage-independent and takes into account the total energy of the battery.

So a power bank with 10000 mAH capacity actually has 10000 mAH capacity at 3.7 volt. Total energy in such a battery in mWH will be 10000 mah x 3.7 volt = 37000 mWH.

When the output is at 5 volt, the Mah capacity of this battery will be lower. The capacity of the battery while charging at 5 volt output will be 37000 mWH divided by 5V or 7400 mAH
Edited by: "repouk" 20th May
Mine just arrived, lovely bit of kit for £8 - cheers for making me buy random stuff randomstuff!
plewis0020/05/2020 16:54

You’re not - this has pretty much proved it. I understood what you’d wri …You’re not - this has pretty much proved it. I understood what you’d written, it was just completely wrong. Cells in this are rated at 10000mAh, that makes them 10000mAh. You don’t rate them after power loss or efficiency - you seem completely incapable of grasping this like any other person would especially one who is so intelligent with qualifications. I even gave you a suitable analogy to help - so if a car engine has a displacement of 1.5L but has power similar to a 1.2L do we call it a 1.2? No you call it a 1.5L because that’s it’s actual displacement. Same thing here.



repouk20/05/2020 17:09

And again you're just proving that you didn't understand what I'd …And again you're just proving that you didn't understand what I'd originally said:https://www.powerbankguide.com/powerbank-capacity-explained/Understanding Power Bank CapacityThe reason for this mismatch is that mAH is not a good unit to measure battery capacity when the voltages of the battery and charged devices are different. Li-ion batteries used in power banks output 3.7 volt (nominal) but your phones’ batteries get charged at 5 volt.mWH or watt-hours is the ideal way to measure a battery’s stored energy as it is voltage-independent and takes into account the total energy of the battery.So a power bank with 10000 mAH capacity actually has 10000 mAH capacity at 3.7 volt. Total energy in such a battery in mWH will be 10000 mah x 3.7 volt = 37000 mWH.When the output is at 5 volt, the Mah capacity of this battery will be lower. The capacity of the battery while charging at 5 volt output will be 37000 mWH divided by 5V or 7400 mAH


Completely agree with repouk - it's something most school children at age 11 learn in a science lesson... volts * amps = watts (power).... clearly the other guy must have been too busy playing with his bunsen burner that day!
booboobeaker20/05/2020 22:06

Completely agree with repouk - it's something most school children at age …Completely agree with repouk - it's something most school children at age 11 learn in a science lesson... volts * amps = watts (power).... clearly the other guy must have been too busy playing with his bunsen burner that day!


Except if you read back up the thread that ‘basic formula you learn in school’ is what I’d already provided before all the misinformation started. It’s in black and white. Not so clever now are we?

repouk20/05/2020 17:09

And again you're just proving that you didn't understand what I'd …And again you're just proving that you didn't understand what I'd originally said:https://www.powerbankguide.com/powerbank-capacity-explained/Understanding Power Bank CapacityThe reason for this mismatch is that mAH is not a good unit to measure battery capacity when the voltages of the battery and charged devices are different. Li-ion batteries used in power banks output 3.7 volt (nominal) but your phones’ batteries get charged at 5 volt.mWH or watt-hours is the ideal way to measure a battery’s stored energy as it is voltage-independent and takes into account the total energy of the battery.So a power bank with 10000 mAH capacity actually has 10000 mAH capacity at 3.7 volt. Total energy in such a battery in mWH will be 10000 mah x 3.7 volt = 37000 mWH.When the output is at 5 volt, the Mah capacity of this battery will be lower. The capacity of the battery while charging at 5 volt output will be 37000 mWH divided by 5V or 7400 mAH


So by that logic when you have a 10,000mAh power bank using QC outputting at 9V are you going to claim it can only charge a Note 9 once as its ‘capacity at 9V is only 4,111mAh’...
Edited by: "plewis00" 21st May
Mine came today too. Nice unit. Just fully charging it, before I cycle it a few times.

Nice to see an honest capacity printed on the back.
10,000mAh (Cell Capacity) 6660mAh (Output Capacity)

Came charged at 82%

Thank you to the poster for this. I will test the actual capacity, while I cycle it.
repouk20/05/2020 17:09

And again you're just proving that you didn't understand what I'd …And again you're just proving that you didn't understand what I'd originally said:https://www.powerbankguide.com/powerbank-capacity-explained/Understanding Power Bank CapacityThe reason for this mismatch is that mAH is not a good unit to measure battery capacity when the voltages of the battery and charged devices are different. Li-ion batteries used in power banks output 3.7 volt (nominal) but your phones’ batteries get charged at 5 volt.mWH or watt-hours is the ideal way to measure a battery’s stored energy as it is voltage-independent and takes into account the total energy of the battery.So a power bank with 10000 mAH capacity actually has 10000 mAH capacity at 3.7 volt. Total energy in such a battery in mWH will be 10000 mah x 3.7 volt = 37000 mWH.When the output is at 5 volt, the Mah capacity of this battery will be lower. The capacity of the battery while charging at 5 volt output will be 37000 mWH divided by 5V or 7400 mAH


Good to see the formula again. They have actully printed the output capaciity on the back of the unit at 6660mAh

I guess the lower capacity is taken in the conversion process. I have a few meters that I can put inline to test how much it takes to charge it, and a dummy load @ 1000mAh to thes what it delivers.
Godspeed20/05/2020 12:29

It showed for me yesterday and I don't have prime. Very good price if it …It showed for me yesterday and I don't have prime. Very good price if it includes the seperate light.



Nice unit, and yes a seperate USM LED BENDY light as well as the built in one. Nice feature is, that you can hold button for 3 seconds to turn off the bank,

Here is the link to the type of light that came with it. BLACK

INCLUDED LED LIGHT 'LINK'
mikeypr21/05/2020 14:47

Mine came today too. Nice unit. Just fully charging it, before I cycle it …Mine came today too. Nice unit. Just fully charging it, before I cycle it a few times.Nice to see an honest capacity printed on the back.10,000mAh (Cell Capacity) 6660mAh (Output Capacity) Came charged at 82%Thank you to the poster for this. I will test the actual capacity, while I cycle it.


Nice post! I'm surprised to see they state the actual output capacity. I can't think of many manufacturers that do.

This also means that the Amazon reviewer who measured theirs at 6,000mAh wasn't too far out. I guess they knew what they were talking about and didn't have a faulty unit.

Arguing against the laws of physics rarely ends well...

So on first discharge I measured 6630mAh (Very close to the stated 6660) and it charged to 9000mAh spot on. Which I guess converting 5v to the needed 3.7 would be the cell capacity of about 10,000.

This was the first cycle.

Think I have to much time on my hands.
Edited by: "mikeypr" 23rd May
Post a comment
Avatar
@
    Text