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Pros & Cons
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Type C Port
Customers have mixed feelings about the Type C port of the USB rechargeable batteries. While some are pleased that it comes with a Y cable and can charge multiple devices simultaneously, others have had issues with the batteries not working properly despite having a full voltage.
Quick Charge
Customers have a positive sentiment towards the quick charging feature of these USB rechargeable batteries. They can be charged quickly using a standard Type C cable and deliver decent recharge time. However, some customers have reported issues with the battery not delivering the promised capacity or losing charge quickly.

Highlights
Quality
These are awesome and they last a good long time reccomended
Easy to charge and has a great warranty.
Id beware not to use a hyper charge block, red light came on both in about 2 min.
Both of the batteries are over 9v at low current consumption (e.
Price
These are great rechargeable batteries for the cost you can recharge these and save money
Bought for smoke detectors and for the price it does the job.
Over time they will pay me vs.
Shipping
Due to shipping reg's its a booy up protocol.
They arrive fully charged @ about 9.
Competitiveness
The internal chargers in the tens units both charge other brands of 9v lithium batteries that do not have internal battery chargers.
Overview
- How are reviewers describing this item?
good, charged, great and rechargeable. - Our engine has profiled the reviewer patterns and has determined that there is high deception involved.
- Our engine has analyzed and discovered that 35.7% of the reviews are reliable.
- This product had a total of 156 reviews as of our last analysis date on Jan 16 2025.
Helpful InsightsBETA
Posted by a reviewer on Amazon
Neither of the tens units would charge the battery with their internal chargers
Posted by a reviewer on Amazon
The internal chargers in the tens units both charge other brands of 9v lithium batteries that do not have internal battery chargers
Posted by a reviewer on Amazon
It is a good fit but a bit wider to make tightly squeeze into one of my smoke detector
Posted by a reviewer on Amazon
There are concerns in reviews on this battery is below 9v
Posted by a reviewer on Amazon
Both of the batteries are over 9v at low current consumption e
Posted by a reviewer on Amazon
I wish there was a 20 pack of these because i have so many random appliances that need 9v batteries and there are never any around when i need them
Posted by a reviewer on Amazon
Thanks for taking the time to read my review ill be sure to update it if anything changes
Posted by a reviewer on Amazon
Alkali batteries are expensive but if you dont abuse them like me they go strong a good while 75 last 25 is a marked slow decline
Review Count History
Price History
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