How to Boil Reusable Handwarmers? | Simple Step by Step Guide
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Anyone working outside in winter must wonder how to keep their hands warm. Maybe you need them to keep your feet warm or hate the cold. You can use the rechargeable hand warmers that can go without electricity, and all you need to do is boil them. So, how to boil reusable hand warmers?

Reusable hand warmers are very easy to use. You need to activate it following the simple instructions. Once it has turned on, you can enjoy the warmth and comfort of a hardened pack of heat. For later use, you can reactivate it, but before you do, you will need to reheat it by boiling it in water. Liquefy the elements inside the pack until it has softened down.

But is there more you need to know before you boil your hand warmers? Yes, there is! So hold your horses, because there is more in-depth knowledge about how you can reheat your hand warmers. Continue reading to get the detailed rundown on rechargeable hand warmers.

How Rechargeable Hand Warmers Work?

Hand warmers are simple to use and later reused again. Most reusable can provide a few hours of high-quality heat. However, if you only need to heat up for a limited time, you don’t have to throw it away after short use. Save it when you need it for later use.

First, get to know some basics about hand warmers. Many rechargeable heaters contain a mixture of elements that keep them warm and hardened. Each pouch uses a supersaturated solution made of sodium acetate, which is dissolved in water.

Next, pop the metal disk and massage the gel pad. You will see tiny bits of the material are releasing from the gel, which means the crystals are forming. So, while the gel crystallizes, the solution releases the stored heat energy and spreads. The hand warmers can emit heat up to 54 degrees Celsius, and each activation can last for a long time.

Once it is activated, the solution has crystallized, and it glows. The pouch hardens as the gel goes through the process. You can watch the crystals spread throughout the pack.

Lastly, the small size of the pad makes it very convenient to fit easily anywhere. Either in your gloves or jacket pockets on ice days for a nice warm-up. You can even keep them while you walk your dog in the winter seasons and warm your cold feet before bed. Moreover, use them for quick relief of lower back pain.

Not to mention, you save money because you can reuse them. These packs last for about 20 to 30 minutes. These hand warmers come in a set of two. An easy way to reset them to use if your hands get cold again. All you need to do is boil them in water until the crystals liquefy.

However, the size of the product determines the heat duration. It entirely depends on the packs getting used and how well they insulate while they are in use.

How To Recharge Reusable Hand Warmers By Boiling?

Now, let us demonstrate how to return the gel pad to its liquid form to use it again at another time. After you have used the hand warmers, follow these few simple steps to turn the pad back to its original state:

Step 1: Get Some Water Boiling

Get a pan, fill it up with water, and heat it on your stove. It is wise if you add a utensil to the bottom of the pan for protection. Adding something at the surface will elevate the packs from touching the bottom surface. You can also use other objects such as a rag, steamer rack, or a small plate, but it needs to be heat resistant.

Step 2: Dump In The Hand Warmers

Once the water in the pan has boiled for a long time, submerge the warmer packs in the water. Then heat them for 5 to 10 minutes and do not remove them until there are absolutely no crystals inside the pads. The crystallized gel inside it needs to be dissolved, melted and liquefied.

Keep in mind, the gel pads should have turned back to their liquid form, or they will recrystallize immediately. Therefore, it is a good rule of thumb to keep the pads boiling for another few minutes. Just to ensure there are absolutely no crystals in the pad.

Step 3: Take The Hand Warmers Out

After the packs have gone back to their solution state, be careful when removing the warmers from the boiling water. Using a colander, remove them from the water. You can also leave the warmers in the pan until they have cooled down or lift them out using tongs. Then keep the gel pads away for some time before packing them up to use them again in the future.

Note that you cannot reheat your reusable hand warmers in your microwave, and they are not safe to boil in this process.

How Many Times Can You Use A Reusable Hand Warmer?

Some hand warmers can stay warm and last for about 30 minutes to 2 hours. They gradually cool down. HotSnapz is one of a kind, and well known to last longer than most of them.

HotSnapz has a variety of collections with different heat durations and shapes for you to pick from, each with your desired preferences.

They are rectangle-shaped, and others for necks and shoulders. The one pocket warmer pack in a green rectangle can last for about an hour each time you use it. Another hand warmer in a rounded and heart-shaped design can keep your hands warm for less than an hour.

Here’s a fun hack: you can keep your hands warm long enough if you have some extra warmer packs. It will allow you to reserve the heat to last longer. It is why hand warmers like Snaps are so popular, as they are reusable to get longer heat times. You keep extra ones in reserve to extend the heat time.

You can use these hand warmers an unlimited number of times. Although at some point, real-life consequences will have an impact on these products. Sometimes these warmer packs are torn away, shredded, or walked over by mistake. You might forget to take them out of the boiling pan, or one of your friends might take these packs away with them.

Therefore, they do not always last forever. There will come a time when these packs will get destroyed, or you may need to buy new ones. So, they can be used and kept for a certain time. You can expect to use your hand warmers no more than 200 to 300 times. This is how much the average user is told to use their heat packs.


It is very easy to activate these little packs of heat stored hand warmers, you just need to flex the metal disc until you hear it click. You should see crystals forming quickly and spreading through the whole pad as it heats up. As they are reusable, you can recharge by placing them in a pan filled with water. Boil it until the gel completely liquefies, which should take less than 10 minutes.

Having to reuse the same hand warmer can save you a lot of money. Recharging them is easy, and all you need is a short time of boiling .Were you wondering how to boil reusable hand warmers? If so, we believe this article helped gather all you needed to know. Thanks for making it to the end, and stay warm!

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