Hand Warmers Rechargeable - 14000mAh Electric Hand Warmers Rechargeable 2 Pack Heat Up to 131℉ with 18Hrs Warmth, Reusable Electronic Portable Pocket Heater for Women Man Golf Raynauds Camping

I was going to purchase several hand warmers as Christmas gifts, including one for myself. I reviewed many products on Amazon. Reviewing product specs, like size and shape and MAH ratings and power plug type and power bank function and of course many reviews, I decided on this product. After receiving the product, I immediately charged and tested them.The units come with 2 USB-c to USB-A adapters for versatility. The USB-C port is used for both charging input and power bank output. Each unit is rated at 6000mah each. Thats 6 amp hours each. I tested unit 1 on the red (high heat) setting. It lasted for a solid 4 hours. I found the red setting to be great for warming initially cold hands up to a comfortable warm temperature. Red did become too hot after hands were warmed up. I did not test the yellow (medium heat) setting.I ran unit 2 on the green (low heat) setting. The unit heated very well for a period of 7 hours solid before going dead.I found the green setting to be great for keeping hands warm after they are initially warmed (by red) and comfortable.After letting unit 1 sit for a couple hours I tried to turn it back on and no power up at all. I charged unit 1 using USB-C (at 3.6 amps available). I found a full charge took 2.75 hours which I thought was a little slow, but liveable. Thus, the effective charge rate is 6 amps / 2.75 hours= 2.18 amps. I would guess that each unit uses 2- 18650 3000ma Lion cells in parallel.My conclusion is as follows: I like the look and feel of this unit. It is just the right size and curved shape to fit nicely in the hand. The case surface is matt black and has a soft, almost rubber, feel to it. It hides fingerprints well too. It heats on both sides. The power button in recessed and on top. Turning the unit on/off requires a hold of the power button for 3 seconds. So no accidental on/off. The heat setting button is easy to operate- even blindly in my pocket. If the unit is used in a pocket on high to warm hands from cold to comfortable for an hour, then switched to low to keep the hands warm, I would estimate a combined run time of about 5.5 hours. Thus, I feel the heat duration is very acceptable. If a person used a sweatshirt 2in1 pocket, one unit could be used at a time thus providing 11 to 12.5 hours of use. And one unit could be charging while the other is in use. I also found that the unit worked well to preheat my houseshoes for about 10 minutes. I think the unit would work nicely to preheat snow boots or ski boots or gloves. I do recommend this product with 5 stars.

Replaced my older Zippo hand warmer with these pair of hand warmers, with energy level indicators which are most appreciated when out in frigid weather. Quick recharging with cable built for two, works well as single…

These heat on the front and back. There is a digital window that shows you what percentage battery is remaining. They charge quickly. I don’t think there were directions so I was confused at first. Hold down the power button until L1 shows. These are the 4 lower settings. They only heat on the front side. Hold the circular button on the front to have the display read H1. Those are the high settings and both sides get warm. H1 is plenty warm enough for me. I have a condition called Raynaud’s Disease and my fingers get so cold that they go numb. I put hand warmers to the test. These have been great!

Ok, I have used these for the last several months almost weekly. I usually only use one at a time. Just because I like having one in my car and one by the door when I go on my daily walks. Both have lasted a long time before I need to recharge them. Sorry I have not kept track of how long they last but it has not been an issue for me. I take the one in my car to a community hall that I volunteer at every week. It’s freezing in there so I need to keep my hands warm. Super convenient to have. I often heat my face and neck with it too. I like that when I’m helping people I can pop it into my coat pocket and not worry about it. The heat goes away almost instantly once it’s turned off. Then use it when I have down time. It definitely gets HOT on level 1. I’ve never used level 2. Even on my windy, rainy walks I keep it at 1. Not to save the battery life but my fingers!!! I was worried it would not get hot enough but yikes I’d kinda like it if it could turn down a bit.I am glad I got the dual sided heat. Nice to wrap your hands around it and have your whole hand stay warm. I was also concerned because I have big hands and didn’t want anything too small. Definitely great flashlight. I would definitely recommend this device. I’m glad I finally bought one.

Powerful heat and battery life!! Very impressed with how hot these can get & how long they will last! They were slightly bigger than I expected- But well worth it for the power they come with! And can't not love the double sided heating function! Easy to use! Love the Battery level display. Great product! Better value than the competition in my opinion by far.

This thing gets HOT. There are varying levels of heat and you can set it to heat one side or both. It charges quickly and it is able to last me through a couple of hours outside during my son's soccer games. On the highest heat setting with both sides going, it will last a few hours. The only thing I would love changed is the thickness of this. It feels like you are holding two bars of soap. It would be great if they were a bit thinner. Otherwise a great purchase!

I received these as a gift from my husband, and boy do I love them! I have a condition where my fingers get painfully cold all the time, so these things get used daily. They get very warm on the #1 setting. Low heat’s one side, high heat’s both sides. I’m able to use it for a few hours on the low setting before needing a recharge. Perfect for a dog walk or short hike. They charge back up quickly. They are a convenient size to hold in my hands (I have small hands), and fit easily in my jacket or pants pockets.I would recommend these for anyone needing some extra warmth.