M Jiuyunmu Polymer Rechargeable Batteries

Battery Pack Details: Includes 2PCS 7.4V 2200mAh rechargeable Li-Polymer batteries and two DC head charging cables. Please charge the batteries for 12 hours before first use.
Charging and Usage Time: Fully charges in approximately 2.5–3 hours and operates for 2.5–5 hours depending on the heating level. Regular charging is recommended to prevent battery damage. Remove the battery before washing or charging.
Compatibility: Suitable for heated gloves, heated socks, heated hats, battery ski gloves, electric heated motorcycle gloves, heated balaclava ski masks, and heated thermal underwear bottoms. Compatible with various 7.4V electronic devices.
Battery Lifespan and Maintenance: Designed for 500–600 charging cycles. To maintain performance, recharge every six months when not in use.
Warranty and Manufacturer: Covered by a 2-year manufacturer warranty. Produced by M Jiuyunmu with strict quality assurance standards.