Highlights
Quality
The batteries themselves are wellmade and seem to be of good quality
These rechargeable 9volt batteries work well recharge fairly quickly dont overheat
My original review of poor quality was wrong it turned out to be user error…
5 hours the led is inside the battery and is red while charging rapidly blinking green when almost done or i suspect trickle ch... Read More
Price
Four for 20 is a fair price for this great set which i assume utilizes usb 5v to balance the cells
For this price they are hard to beat
With batteries like these avaialble for a reasonable price there is no reason for me to ever buy alkaline 9 volts again
Yes these are more expensive initially than disposable alkaline batteries butif you use and recharge them 2 to 4 times you will... Read More
Shipping
Later after recharge and tested at 1 ma drain they delivered about 425 mah
At high drain rates around 50 ma they delivered about 270 mah during a fivehour time apan
Packaging/appearance
I got them 4 pack charged them 1520 minutes per pair out of the box and installed them in my propanenatural gas leak detectors ... Read More
There was no instructions in the box it was pretty selfexplanatory and there is warnings on the battery
Competitiveness
These are much better and stronger than name brand regular batteries that you would buy at your box mart
Overview
- How are reviewers describing this item?
lucky, first, whatever and set. - Our engine has profiled the reviewer patterns and has determined that there is high deception involved.
- Our engine has analyzed and discovered that 30.4% of the reviews are reliable.
- This product had a total of 211 reviews as of our last analysis date on Apr 9 2024.
Helpful InsightsBETA
Posted by a reviewer on Amazon
These have a 10 year shelf life once they are charged
Posted by a reviewer on Amazon
They would be perfect for emergency lights heaters flashlights radios etc
Posted by a reviewer on Amazon
Basically anything that uses a 9 volt battery
Posted by a reviewer on Amazon
They have a red light when they are charging and then a green light will come on when they are done charging
Posted by a reviewer on Amazon
Because these are lithium ion these will last 4x as long as the typical battery would
Posted by a reviewer on Amazon
When they are dead just charge them back up with the usbc port on the bottom
Posted by a reviewer on Amazon
I like them because it never fails when i go to use an item that has a 9v battery it is dead and i dont have a replacement
Posted by a reviewer on Amazon
Chemistries for the rechargeable 6f22 vary nimh liion lithium etc