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Which is better about 7.4 Volt heated socks and 3.7 Volt heated socks?

November 05, 2019 3 Comments

heated socks in keepwarming

In severe cold winter, many people in Canada, Iceland or Finland are frostbitten or even killed every year. These countries are often hit by snowstorms in winter. It is very important for them to prevent frostbite. So before the cold winter, more and more people choose to buy heating wear in winter, such as electric heated socks. When we want to buy a heated socks, you will find that there are two different volt heated socks on the market, one is 3.7 Volt, the other is 7.4 Volt. Do you know how to choose?

First, Let's compare the prices.

7.4V heated socks are more expensive than 3.7V heated socks whether it's in a mall or an online store.
This is because of higher price for 7.4V batteries.

Why 7.4V batteries are more expensive than 3.7V batteries?
Because the 3.7V battery is a single battery and 7.4V is a series circuit battery.

Second, Battery capacity comparison.

If both batteries are 2200mAh
Real capacity of 3.7 Volt battery: 3.7 * 2200 = 8140wh
Real capacity of 7.4 Volt battery: 7.4 * 2200 = 16280wh
From the calculation results, we can know that the real capacity of one 7.4V battery is equal to two 3.7V batteries.
(W=watt, H=hour, V=volt)

Therefore, Used the 7.4V battery heated product heating time will longer than 3.7V battery heated product, and the temperature will be more stable.

It include heated cap and heated gloves.

Maybe you will find that there are 12 Volt rechargeable battery heated socks on the market, but the price is usually very expensive.
In fact, the 12 Volt battery is the best in heated product, working time longer and the temperature higher.
But the price is very high, so I recommend the 7.4 Volt electric heated socks.
It can achieve a good balance between price and quality.



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