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Muker-KCX17 USB Voltage/Amps Power Meter Tester Multimeter, Test speed of chargers, cables, capacity of power banks

Brand: Muker

300 ratings

£23.00

& FREE Returns

Note: This item is eligible for FREE Click and Collect without a minimum order subject to availability. Details

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Brand	Muker
Power source	Battery Powered
Style	Modern
Measurement type	Multimeter

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Displays Current (Amps), Voltage and Capacity (19,999 mah) in one screen
It's very useful to find out which cable/charger combination is best for your particular device
Can handle charging speeds up to 3.5A (3,500 ma) and 3v-20v
Store charging data in memory 10 memory bank. It will flash to alert of low or high voltage issues
With the USB cable, it's easy to test all your power banks, power bricks, USB cables and phones.

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Product description

This USB Multi-meter plugs directly into any USB socket or Micro-USB charger or cable. It displays on the screen the voltage, current and capacity. Acts as both a vol and amp meter. All three are shown at the same time so there is no need to switch between screens. It is powered when you plug it in so no batteries are needed. Backlit screen will let you see it in low light conditions. Will handle up to 3.5A which is more than enough to test any cell phone or tablet. The monitor is suitable for 0-2.5 Amps, and 3-20 Volts and has an accuracy better than 1%. It can also give you a rough estimate of the capacity of the device you are charging. Made by Muker.

"Data Checking Mode" is entered by double clicking the button really fast. When in this mode the screen blinks and you can select the current data bank you are using by single clicking the button really fast. Each time you single click the button, it moves to the next data bank and then rotates back to the fist bank (bank 0) if you click it at the last bank (bank 9). You exit "Data Checking Mode" by double clicking the button really fast.

Product details

Is Discontinued By Manufacturer ‏ : ‎ No
Package Dimensions ‏ : ‎ 11.8 x 7.8 x 0.4 cm; 20 Grams
Date First Available ‏ : ‎ 5 Nov. 2016
Manufacturer ‏ : ‎ Muker
ASIN ‏ : ‎ B01BTRLVYQ
Item model number ‏ : ‎ _SML
Country of origin ‏ : ‎ China

Best Sellers Rank: 221,371 in DIY & Tools (See Top 100 in DIY & Tools)
- 786 in Multi Testers
- 1,337 in Mobile Phone Portable Power Banks

Customer reviews:
299 ratings

Customer reviews

5 star		63%
4 star		19%
3 star		11%
2 star		3%
1 star		5%

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Jeep Commander

Very small and neat device.

Reviewed in the United Kingdom 🇬🇧 on 13 July 2021

Verified Purchase

Clear and precise. Able to measure solar charger input and output.

Helpful

r00x

Great broken USB cable simulator A+ would sigh in disappointment again

Reviewed in the United Kingdom 🇬🇧 on 23 March 2017

Verified Purchase

Functionality wise it's great, with a nice clearly readable screen. It reads out voltage, current and mAh consumed, with the latter seeming to have 10 nonvolatile memory positions with which to store totals.

It also features a useful MicroUSB port allowing you to test voltage drops across cables instead of only at the source port like many USB meters (combined with a USB load tester for instance this is a great way to find feeble or bad USB cables that would cause phones to charge slowly).

However... I'm less enthused about how mine came equipped with a dud cable itself!!! It sort of works but with lots of random voltage drops and at certain angles the power cuts out entirely. Needless to say that's useless on a device that's supposed to provide at least vaguely accurate power metering. The little flying USB lead is quite thin and feeble looking to begin with (bit odd considering it's meant to support 20V/3.5A) so I wasn't too surprised to find it was broken out of the box. The MicroUSB port works fine but as all cables drop voltage it not a suitable alternative for scenarios where you want to measure power at the host port.

I live in the middle of nowhere and can't be bothered to haul myself to a neighbouring settlement to post this back. For the seven quid it cost (probably spend more than that in petrol!) I might as well peel it to bits and attach a cable of my own, or something. And then leave a grumpy review on Amazon.

Harrumph!

9 people found this helpful

Helpful

Alex

Superb piece of kit

Reviewed in the United Kingdom 🇬🇧 on 16 October 2016

Verified Purchase

I bought this small USB Amp meter in order to see why sometimes my phone would take longer to charge and to test each cable I had in house.

It does exactly what it says on the tin, it provides you with Voltage, amper, and a rough MAH readin on an easy to read display.

It also features 9 different slots, which makes testing different powerbanks/devices a breeze.

It feature both USB and micro USB inputs.

The MAH imput counter goes up to 19,999MAH reading, after which it will read FULL.

I would highly recommend it to anybody who has multiple USB cables around the house, so you can see which ones are quality ones and which ones you should get rid off, and how CPU heat will affect your phone's charging performance (in my case I found out that if my Sony Z3 compact goes over 40 degrees, the powerdraw drops from 1,3-,1,4A to about 0,6-0,8A until it cools off.

4 people found this helpful

Helpful

MacDonald

Handy little tool

Reviewed in the United Kingdom 🇬🇧 on 17 January 2017

Verified Purchase

Bought this to test some dubious usb chargers and a tangle of charging cables I have collected Ted over the year. I also bought a 1 and 2amp load device that can be switched between the two settings. The meter is easy to use with micro and full size usb input female sockets. The illuminated display shows the passing a,peerage and voltage across the device. It also has a memory for 10 readings accessed by means of a button switch. It also can show the amount of charging sent through it to say a power storage device.

The result of my purchase was being able to condemn several charging cables (some nearly new) to the bin. This included some 2m flat cables that had very poor power transmission. I also three out a few old and new chargers that had unacceptable power outputs at what should have been 2 and 1 amps at 5 volts.

A good buy
Ower
.

3 people found this helpful

Helpful

Nick

Find out which of your USB cables are any good

Reviewed in the United Kingdom 🇬🇧 on 6 January 2017

Verified Purchase

This an excellent device. It feels well made, and the readout is clear. When I bought a similar (but not as good) item a couple of years ago, I had to get one from China through eBay, so it's good to be able to get this locally and quickly. I've used it to test a number of cables that I have for the amount of current they allow through. By using the different cables through the same charging plug, on the same device, then any difference in registered current must be due to the cable. I've been surprised (and a bit shocked) at how little current some of my cables allow through, whilst others which I didn't think would be much good, perform a lot better. If you want to charge devices quickly, then a good cable makes a difference, and this lets you find out which cables are good, and which are not.

One person found this helpful

Helpful

Dutch Viking

Works well !

Reviewed in the United Kingdom 🇬🇧 on 16 June 2020

Verified Purchase

And the option to use a Micro USB as input is excellent. Charged my fairly empty Anker with it, started at 2A, slowly dropped down to <0.5 A. Update rate about 2 samples / second. Would like filtered output but for this price, more than satisfied !

Helpful

Tevo

Great device, cheaply made

Reviewed in the United Kingdom 🇬🇧 on 25 July 2017

Verified Purchase

Does what it describes, great tool for getting the best charge out of your devices.

My model seems to have been a bit used though, the screen looks a bit scratched up on delivery.

The screen is very cheap and can be easily scratched using your finger nail, but for what it is I am not too bothered. Does its job and that's it.

Helpful

Gordon A. Hemsley

Hinderance more than a aid

Reviewed in the United Kingdom 🇬🇧 on 20 August 2017

Verified Purchase

Done a lot of testing with this item with various Micro USB cables, USB C cables and USB chargers (either of the Quick Charge variant or Intelligent Charge variant). As far as I can tell, it seems to impend the current flow for the device being charged. In the case of my Samsung tablet, usually it will take two hours to charge on an Intelligent charger (at around 2.4A). Using this meter, it takes 5 hours with it reading that only 1A is being used to charge the Tablet. In the case of HTC phone (which uses Quick Charge 3.0 technology), the voltage reading and current reading will vary drastically and again the phone will charge slower than if just plug straight into a charger. Not recommended.

5 people found this helpful

Helpful

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Muker-KCX17 USB Voltage/Amps Power Meter Tester Multimeter, Test speed of chargers, cables, capacity of power banks

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