I will do a check of it, but probably it will test fine. This problem is probably something that just happens once in a while and it is unlikely that it will show up during my test. If it happens I will, of course, have a record of it.
Got the Zhurui meter today.
Quick low current application comparison against UNI-T UT210E clamp meter using a USB power supply (Anker 5 port) and a USB load as load:
Zhurui / UNI-T
0.011 A / 0.009-0.010 A (Anker standby, no load)
0.067 A / 0.062 A (1 A usb load)
0.110 A / 0.103 A (2 A usb load)
0.150 A / 0.142 A (3 A usb load)
Of course the clamp isn’t probably super accurate at those low currents (3% + 10 digits)
That looks very interesting. I bought a mains meter a couple of months ago, but this one's much nicer.
I'm awaiting your experiences with it before ordering one for me :)
Very interested in finding out from HKJ’s review how accurate the power factor is on low currents, since the power measurement doesn’t really matter if that’s out of whack.
The meter is probably not very accurate at low currents. I checked HKJ’s Anker review and he measures the efficiency at 0.25 A to be about 79 . With the meter I got 72 (1.32 W out, 1.82 W in). But for example at 2 amps the results do match.
edit: I take that back, it actually seems very good after I tried a more accurate load (YZXStudio ZL1100) and got 1.2725 W out, 1.60 W in = 79.5 % efficiency).
Also good accuracy at lower load (0.1 A / 0.51 W on the USB load), 71 % efficiency (0.51 W out, 0.72 W in) matches HKJ’s graph. As does at 0.05 A (62 %).
dirt cheap on massive discount. One has to wonder …
I’ve purchased one of these and have been very happy with it. Might be worth a full test.
Dirt cheap when you live in the US, but shipping to EU is $18
Hi HKJ,
Will you please consider reviewing this PSU Doctor?
$59 HDFury Universal PSU Doctor Supports Power Monitoring via iOS or Android
Universal PSU Doctor
Interesting device, I have ordered one and hope it works with my phone.
The specifications looks a bit dubious, why 11 ADC channels, I would expect 6 (3xVolt, 3xCurrent) or do they just list MCU specification, including all unused ADC channels. The ADC specification is not the only dubious specification, I am very curious what I can use the DC current consumption specification for (These silly specifications do not make it a bad device in any way).
That is a cool usb charger. I hope it also has Wh logging, can’t see that in the phone screenshots.
http://www.gearbest.com/chargers/pp_359772.html?wid=21
this charger looks nice, HKJ, does it catch your interest?
Wait, i didnt find it when searching on google
Thanks man
So xiaomi in my country begin asking customers to reture xiaomi powerbank 10000mah(the one has low price and Quick charge), for checking
So, it must be something wrong with it
Many people reported it fried their IC charge manager in their non-quick charge phones
You mean this one?
Can you point to a place where they are announcing the recall?
Yup, that one
The news was posted on a website written in our language, not sure if you guy can read it
And the return is applied(i guess) only on my country(VietNam)
I must admit I do not really like how all this “charging” protocols stuff is going. Again, a crapload of independently developed charging power management intellectual property to continue filing patents and make people believe in whatever respective sort of cooked bunch of lies, selling the same dog with a flashier collar again. Nearly don't give a sh1te.
Where can I buy an Android device with a slot or two for 18650s? 
Cheers fellows ^:)
I guess that everyone would use USB IF PD specifications, things would be too much simpler....
yeah, i just did before posting. Just read a couple of their PDF, everything is well specified IMHO, also cable losses, and parasitic losses, from what i understand