Battery: 3.7V 2200 MAH lithium battery
heating time:
High-grade: high level red light heating of about 3 hours
Mid-range heating for about 4.5 hours
Low temperature heating for about 7.5 hours
Battery size: about 1.8 cm / 0.71 inch in diameter; height is about 6.5 cm / 2.56 inches
Charging time: It takes about 4-6 hours for the battery to be fully charged.

1. Don't worry about trying on socks.
2. Connect the electric socks to the battery first (press the button to open the switch, press the button to the highest level of red light), then put the sock between the hands, and feel the heat within about 1-5 minutes. Then press and hold the button to turn off, the LED light goes out, and the battery is removed.
3. Charge the battery: (The battery that is emitted, the battery power is slightly different, that is, when we test, some of the charge is charged, and some are less)
(1) First plug the charger into the socket (220 volt or 110V power socket), then the charger's light is green, then plug the battery into the charger. If the battery is not full, the charger indicator is red, indicating Start charging. If the charger light is still green, or the red and green alternate, the elapsed time turns green, indicating that the battery is full.
(2) At the beginning of charging, the charging time of each battery is different (because the battery has different power). After the battery is dead, the blue battery needs to be filled for 4-6 hours, and the white battery needs to be filled for about 8-10 hours.
4. Socks are hot, and the battery and charger functions are no problem. You can wear electric socks.
5, it is recommended to wear thin stockings, then wear heating socks, so socks do not need to be cleaned every day, when cleaning, be careful not to rub the wires and heat parts, plugs should not be placed in the water, please dry and then use, or put Into the laundry bag, wash with a drum washing machine.