The 10 Best Rechargeable Hand Warmers

Updated February 08, 2018 by Lydia Chipman

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We spent 42 hours on research, videography, and editing, to review the top picks for this wiki. When temperatures register in the fantastically freezing range, having a handy heat source to fend off frostbite can be a welcome relief. Manual dexterity takes a licking in wintry conditions, but these pocket warmers will thaw out frozen, fumbling fingers, and some of them can even juice up a smartphone or other portable electronic device. When users buy our independently chosen editorial picks, we may earn commissions to support our work. Skip to the best rechargeable hand warmer on Amazon.

10. Komfort Solutions Kozy Xcel

Fully charged, the Komfort Solutions Kozy Xcel boasts a whopping 10,400 mAh to keep the chill at bay and top up digital electronics at the bus stop, out on the golf course, or miles away from civilization. Its built-in lamp produces a steady glow or flashes an SOS.
  • adjustable temperature settings
  • up to 10 hours of continuous use
  • bulkier and more costly than others
Brand Komfort Solutions
Model pending
Weight 5.6 ounces
Rating 4.0 / 5.0

9. Zippo Refillable

The Zippo Refillable catalytic burner is a great alternative to electric units that have to be plugged in to power up between uses. A spill-resistant cup makes mess-free refueling easy, and a flameless operation means you can stash it safely in your pocket once ignited.
  • 6- and 12-hour versions available
  • 2-year extended warranty
  • match or lighter required to start
Brand Zippo
Model 40323
Weight 4 ounces
Rating 4.0 / 5.0

8. Ewarmer 10K Power Bank

An extended battery life, heat and light are the calling cards of the multifunctional Ewarmer 10K Power Bank, which can hold its own against the cold for as long as you need it — or at least until you've drained every last drop of milliamperage from its ports.
  • emergency led signal
  • 18-month replacement policy
  • takes a while to reach desired temp
Brand Ewarmer
Model Alf31-1
Weight 7.2 ounces
Rating 4.0 / 5.0

7. FourHeart Cobbles

FourHeart Cobbles are an eco- and budget-friendly alternative to disposable pocket packs. Unlike their throwaway rivals, they can also serve as battery backups, and the heating function shuts off automatically after an hour to save energy for use when it's needed most.
  • various pearly aluminum shells
  • lanyard and pouch included
  • 2-year warranty
Brand Fourheart
Model pending
Weight 6.4 ounces
Rating 4.2 / 5.0

6. Hotsnapz Reuseables

Innovative Hotsnapz Reuseables contain food-grade sodium acetate and unique activation discs to initiate a cool-looking chemical reaction that generates heat as their stored energy is released. With a 10 to 15-minute soak in a boiling water bath, they're ready to go again.
  • nontoxic and eco-friendly
  • lifetime warranty included
  • start working instantly
Brand Hotsnapz
Model pending
Weight 3 pounds
Rating 3.9 / 5.0

5. Zippo Electric

Kidney-shaped 6-hour and rectangular 2-hour Zippo Electric pocket heat sources rely on lithium batteries to keep things toasty or boost your digital device's power supply via USB, and their quality is backed by a 12-month manufacturer's warranty.
  • adjustable temperature settings
  • great alternative to disposables
  • lights show battery usage
Brand Zippo
Model 40485
Weight 8.8 ounces
Rating 4.0 / 5.0

4. Pisen Pebbles

Pisen Pebbles fit neatly into your palm or pocket for 7,500mAh worth of hot stone therapy whenever and wherever cold winds blow your way — out on the slopes, under the stars, or over at the in-laws' place — or just to top up low batteries via USB.
  • ergonomic design
  • power level indicator lights
  • affordable and long lasting
Model pending
Weight 14.4 ounces
Rating 4.4 / 5.0

3. Human Creations EnergyFlux Ellipse

The Human Creations EnergyFlux Ellipse features a wraparound design for keeping all ten digits toasty at once. You'll get up to 360 minutes of gentle warmth from it at the lowest setting, or you can kick things up a notch for extra coziness that won't last quite as long.
  • palm-sized and comfortable to hold
  • 5200 milliampere hours of power
  • also works as a usb battery pack
Brand Human Creations
Model pending
Weight 6.4 ounces
Rating 4.7 / 5.0

2. Celestron Elements ThermoCharge

Rugged top and bottom bumpers protect the Celestron Elements ThermoCharge against damage if it takes a fall, and a silicone flip-top shields its ports from moisture, dust and debris along the way for several hours of supplemental heat and power wherever you may roam.
  • sturdy aluminum shell
  • comes with cable and drawstring bag
  • end caps are removable
Brand Celestron
Model 48012
Weight 4.2 ounces
Rating 4.9 / 5.0

1. The Outdoors Way 3-in-1

As awesome as it feels to plunge cold-stiffened fingers into preheated pockets to thaw them out, The Outdoors Way 3-in-1 also provides 7,200mAh of backup power for portable electronics and an emergency LED to light up the darkness.
  • double-sided warmth for up to 7 hrs
  • 55-lumen lamp with strobe function
  • velour drawstring pouch included
Brand Human Creations
Model pending
Weight 4 ounces
Rating 4.7 / 5.0

Do I Really Need Another Gadget?

A rechargeable hand warmer may seem like an unnecessary luxury that would only be used by winter outdoor enthusiasts, but these multi-purpose units are built for convenience as well as warmth. Although they require a little more real estate in your pocket, in some cases they can take the place of your external power packs, or flash lights. Some warmers have flashing SOS lights, so you might want to keep one in your car emergency kit, even during the summer months.

Once you have one of these ingenious gadgets, a myriad uses will suddenly present themselves. When you're hanging holiday lights, you'll be able to handle the little plastic hangers without numb fingers. If you're stuck outside at a sporting event, waiting in line for concert tickets, or somewhere else where you can't go inside, a hand warmer will keep you comfortable in the most extreme weather. Having one of these in your pocket will also make it possible for you to wear those thinner texting gloves so you can take photos of junior's first goal or continue to snap selfies. Quite a few of the hand warmers on the market can also help keep your cell phone charged even if the game goes into overtime.

You don't need to live in a locale that experiences severe winters to make use of a rechargeable hand warmer. Sufferers of Raynaud's Disease experience restricted blood flow and blue, clammy hands if they become just a little chilly. There are other conditions caused by poor circulation, such as arthritis, lupus, or scleroderma. In most cases, patients can get fast relief from their symptoms by warming their hands. A model that offers the convenience of multiple heat settings could be ideal for extra-sensitive hands.

While these battery-powered warmers are heavier and more expensive than their disposable counterparts, they are designed to be used hundreds of times, making them better for the environment and possibly easier on the wallet in the long run.

A Brief History Of Hand Warming

Before the advent of central indoor heating, keeping the extremities warm was a greater challenge than it is today. When indoors during the winter, most people couldn't stray far from the fireplace or coal stove. The primary way commoners kept their hands warm when traveling or working outdoors was to keep wrapped hot coals or even a hot potato in their pockets. For longer bouts of heating, some favored soapstone rocks because they offered greater heat retention properties and could be safely warmed by the fire without danger of exploding. In fact, larger soapstone slabs were often kept by the hearth in the evening and brought to bed for all-night warmth.

The need to keep one's hands warm has even influenced fashion trends. The fur hand muff became fashionable in the 16th century. While the fur itself helped keep fingers from getting frostbite, ladies who could afford such an accessory might also have a tiny, heated water bottle to tuck inside for extra toastiness. The muff was even en vogue with English men during the 17th and 18th centuries, but by the early 1900s, the trend was again relegated to women's fashion.

In 1912, a Japanese man named Niichi Matoba patented the discovery that an oxidation reaction caused by a platinum catalyst produces an intense heat. He spent the next 11 years developing a product suitable for consumer usage and, in 1923, he founded the company that brought the Hakukin-kairo to market. This version of the hand warmer was widely used throughout Japan despite the facts that you needed to fill it will messy lighter fluid and that it could get hot enough to burn your hands. By the 1970s, the same company developed the disposable type of kairo that reached the U.S. market 10 years later. When exposed to air, a different kind of oxidation causes these units to heat up and stay warm for several hours.

Battery-operated versions of hand warmers soon followed, but it wasn't until the widespread usage of the USB port in the late 1990s that the rechargeable, eco-friendly models available today were possible.

Other Tips For Staying Warm

When you're stranded outside for hours on end, whether for work or for play, you'll probably struggle to keep more than just your hands toasty. Extreme weather with dangerous wind chills can pose a threat to your whole body. Everyone has heard the oft-repeated advice to dress in layers, but not everyone knows this can also apply to your footwear. If you don't have a high-quality pair of woolen socks, or a fancy heated pair, multiple layers of thin socks is your next best bet.

Giving your body the proper fuel can keep the digestive system humming, and your core temperature higher. You might want to rethink that sugary s'mores treat around the fireplace if you're out camping in the cold. Those simple carbs digest too quickly. Instead, choose a snack that is high in protein or fat, such as cheese or a peanut butter sandwich on whole wheat bread.

It is especially important to avoid alcohol when facing severe cold. Even a mild buzz can fool you into thinking that all is well, but the increased warmth is just the rush of blood to your extremities, which, in the end, lowers your core temperature. Alcohol also has a tendency to dehydrate, making it more difficult to stay warm.

One last piece of advice that might seem counter-intuitive is to avoid over-exerting yourself. Moving around is generally a great way to keep yourself warm, but if you start to sweat, your base layer of clothing will get wet. If you know you'll be hiking or participating in other strenuous activities, invest in moisture wicking fabrics to ensure you stay dry.

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Last updated on February 08, 2018 by Lydia Chipman

An itinerant wordsmith with a broad constellation of interests, Lydia Chipman has turned iconoclasm into a livelihood of sorts. Bearing the scars and stripes of an uncommon diversity of experience—with the notable exceptions of joining a religious order or becoming an artist—she still can’t resist the temptation to learn something new.

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