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Pros & Cons
Pros
The battery lasts well over 8hrs on high in my vest. It lasts forever. I also use them for hobby electronics, as the overvoltage protection is robust.
This thing is awesome. It is convenient and very nice. Over all a good product.
It allows me to sit anywhere in the house. Perfect for my application. It’s really convenient!
Cons
Three lights, wall charger says green 100%. Has been plugged to the charger for 24 hours and still isn't fully charged. I have the unit switched to the i position as instructed but it will not charge.
Lasted through two recharge/discharge cycles. I assume it was sitting on a shelf for a while before it shipped.

Highlights
Quality
After using this for 1 month as a battery for my milwaukee heated hoodie and as a usb charger,this thing is top notch,it will r... Read More
Very happy with this purchase and great for field use!
One charge lasts me about a week and a half (15-20mins sessions 6 sessions per day; just be sure to turn the switch off each time.
First night out i ran it for about 3 hours and it barely used one bar (out of six) of the stored power.
Price
I’m maxed out on power budget and it powers the computer, peripherals, and monitor for up to 5 hours.
Overview
- How are reviewers describing this item?
few, great, long, little and still. - Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.
- Our engine has discovered that over 80% high quality reviews are present.
- This product had a total of 4,223 reviews as of our last analysis date on Feb 10 2025.
Helpful InsightsBETA
Posted by a reviewer on Amazon
My only disappointment is that it didnt come with a cord to charge it so i have to rely on my breast pump power cord
Posted by a reviewer on Amazon
It does take a long time to charge from empty to full
Posted by a reviewer on Amazon
First night out i ran it for about 3 hours and it barely used one bar out of six of the stored power
Posted by a reviewer on Amazon
It fits inside a small binoculars case which i looped over the mount arm so it moves with the telescope
Posted by a reviewer on Amazon
It works perfectly and i have ban able to pump several times already for about 20minutes each session and still have a lot of battery life left
Posted by a reviewer on Amazon
Im running three small 12 volt fans with this battery
Posted by a reviewer on Amazon
One charge lasts me about a week and a half 1520mins sessions 6 sessions per day just be sure to turn the switch off each time
Review Count History
Price History
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