Features

• PACKAGE CONTENT: A Set of MATKAO heated socks and an additional pair of 7.4V 3000mAh batteries for replacement. 7.4V 3000mAh rechargeable ternary batteries is equivalent to 3.7V 6000mAh, generating a heat energy of 19.24Wh. Please ensure to fully charge the battery before first use, and then continue to charge for 30 minutes.
• BATTERY SPECIFICATION: The battery has a capacity of 3000mAh and takes 5-7 hours to fully charge. It can work for 2.5-7 hours at different heat levels. The battery charging port type is DC port.
• USED FOR: This rechargeable battery is specifically designed for use with MATKAO heated socks. The battery comes with a US standard dual charger. Please remember to remove the battery from the heating sock when charging.
• NOTICE: If the battery is not used for a long time, it should be charged every three months during storage and stored in a dry indoor environment to prevent battery damage.
• GLOBAL SAFETY CERTIFICATION: Our batteries have obtained UL (Underwriters Laboratories) and FCC (Federal Communications Commission) certifications, ensuring their safety and quality. These batteries are designed to last for 500-600 charge cycles.
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