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Pros & Cons
Pros
I have no affiliation with nitecore, they simply make great products deserving of praise. Purchasers determines their requirements before purchase. There are a few things that are worth mentioning.
Cons
Even with a quality anker qc power brick and cable, the charger is still inconsistent. In an emergency, overly-complicated devices are a detriment. Not this contraption. Any movement while plugged in puts stress on the solder.
When it isn't working, it fails miserably. No matter what charging current it is producing, it still says quick charge on the screen. Just stays at one bar.
Batteries end up overcharged and overheated. Others end up undercharged or completely dead.
Highlights
Quality
Fantastic products have many of the previous versions this one does every battery out there works quickly efficiently must have
Easy to use charges quick and identifies the bad batteries you might have
I had a bunch of old batteries that still worked and it told me they were all poor based on resistance
Spread across 4 batteries it makes for slow charging
Price
A little pricey for what it is and it’s not very remarkable for fast charging if you just go straight micro usb to usb 2
Not a huge deal but it will fill my hand
Competitiveness
In my opinion nitecore is the best and i have used a lot of different brands the nitecore ums4 gets the job done
I have no affiliation with nitecore they simply make great products deserving of praise
May consider buying a different charger potentially another brand not sure yet
I have an older model same brand
Overview
- How are reviewers describing this item?
good, great, two, micro and different. - Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.
- Our engine has discovered that over 90% high quality reviews are present.
- This product had a total of 893 reviews as of our last analysis date on Mar 27 2024.
Helpful InsightsBETA
Posted by a reviewer on Amazon
Looked at getting the nitecore sc4 charger but saw reviews that while charging it does make a hissing sound
Posted by a reviewer on Amazon
I didn’t want to deal with a charger that makes any noise and wanted to be able to charge 21700 batteries
Posted by a reviewer on Amazon
It comes with a micro usb cable but you have to use your own power supply which can be a power brick you use to charge your phone or tablet etc
Posted by a reviewer on Amazon
It does support fast charging but you have to have qc power brick to do so
Posted by a reviewer on Amazon
Example would be to charge small batteries like aa or aaa batteries at a lower setting so the batteries lifespan is not shortened
Posted by a reviewer on Amazon
This review is for nitecore ums4i bought this to revive a battery for my tt20 flashlight that recently stopped working and when i tested the voltage with a multimeter it was like
Posted by a reviewer on Amazon
This recharger was able to revive it but it was a bit tricky
Review Count History
Price History
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