Savior Heat Spare Battery Rechargeable for Heated Products 7.4V 2200MAh/3000MAh

Capacity: 2200MAh / 3000MAh(Spare battery). Not necessary. The current battery technology is mature, and battery life will not be affected. There is indeed only one sock, because this sock is mainly used to wrap the battery, protect the battery, and prevent collisions.

Savior Heat Spare Battery Rechargeable for Heated Products 7.4V

AC Adapter For Savior Heat Heated Gloves Rechargeable Battery

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SAVIOR HEAT Heated Gloves for Men Women, Electric Battery

SAVIOR HEAT 7.4V 2200mAh/3000mAh Li-Polymer

Dual Battery Charger for Heated Gloves Socks Hat - SAVIOR Heat

LONHEO 7.4v Battery Pack 3000mah Rechargeable Battery

SAVIOR HEAT 7.4V 3000mAh Li-Polymer Rechargeable Batteries for

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SAVIOR HEAT 7.4V 2200MAH Rechargable Li-ion Batteries

SAVIOR HEAT 7.4V 2200MAH Rechargable Li-ion Batteries