Broadly speaking, there are two types of hand warmers: battery-powered and chemical (including disposable and reusable options). Battery-powered hand warmers can be as heavy as a baseball and as ...

Not a strong showing, considering that most of the hand warmers we tested last at least 8 hours. However, the HotSnapZ did hold heat longer than the similar low-tech option, Hot To Go Reusable ...

But when I found out that reusable hand warmers were a thing, I was intrigued to find out if they actually worked and decided to try them out myself. The OCOOPA Magnetic Rechargeable Hand Warmers ...

Amazon's rechargeable hand warmers, which have been described as "small and effective" and can fit in your gloves, are currently down by 30%. The OCOOPA Magnetic Rechargeable Hand Warmers are now ...