Home > Camping Hand Warmers > Rechargeable Hand Warmers, Electric Hand Warmer 5200mAh Powerbank Reusable Handwarmers, Portable USB Hand Warmer Heater Battery Pocket Warmer, Best Gifts for Men and Women in Cold Winter ; Brand: Karecel
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My experience with the battery life is that it is awful and takes a long time to charge. It is not enough to charge a phone.
Around the 8 month mark, I noticed battery degradation during normal use. The battery life decreased from 4-5 hours of Level 2 usage to 3-4 hours. By the 1.5 year mark, the batteries likely gave up and don't hold or take a charge.
64% liked the ergonomic design, but 36% found it unattractive
The warmers come with a carrying pouch, charging cord, and an optional wrist strap.
It takes several minutes and lots of effort to fit the adaptor into the unit due to cheap design flaws.
71% found it easy to use, but 29% had difficulties
The button and lights work as described and it's easy to figure out without reading the manual.
It is difficult to hold the hand warmer inside the pouch it comes in.
66% praised the high-quality materials, while 34% didn't
The heat levels can be harmful if misused, but I still gave it 4 stars because as rechargeable hand warmers, they are good quality.
I tested the product and found that it arrived with a partially charged battery. It lasted for at least a couple of hours after a fast and hot warmup.
My hand warmer still works well even after sitting in the drawer for 3/4 of a year.
In February 2021, I tried to charge the product but it stopped working.
The hand warmer has a perfect design and can be disassembled into two parts. One part can be held in my hand and the other is under charge when the battery is low.
I suggest looking at round, cylinder-shaped models that can be held around the hand and heat the entire hand without fumbling around. It's a better design for not much more money.
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