Rechargeable 7.4V 2200MAH/3000MAH Li-ion Batteries，US Standard Dual Charger，USB Charging Cable，Batteries for Heated Gloves Socks Hats Balaclava Ski Mask Thermal Underwears Bottoms (2pcs Included)
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Questions & Answers
It is charging if the charger light is green or it is charged if the charger light is red. In my experience, I only see a switch when it is about to be charged even then I expect it to be green and remain so. There may be an issue with your charger if it does this all the time. You may want to check the continuity between the ends and the plug using an electrical meter.
It's impossible to say for sure.
There is a possibility that it won't Heated gloves, heated socks, heated hats, heated scarfs, and heated bottoms of thermal underwear will be powered with batteries.
Yes, I do