Rechargeable 7.4V 3500mAh Battery Pack for Heated Gloves and Socks - 2 Pack

• Capacity: 3500mAh
• Volage:7.4V
• Color:Black
• Quanlity:2

Feature:

• 7.4v battery suitable for heating gloves, socks, hats, vests, jackets, clothes, back braces, shoes, insoles, knee pads, etc. With a 7.4V DC charger port, perfect for winter outdoor sports like skating, skiing, hunting, fishing and cycling.
• The charging port is a Female DC jack (3.5mm outer diameter, 1.35mm inner diameter). You can use a head dual charger and a USB dual charger to charge the battery (The cables are not included). About 2.5-3 hours for a full charge, 500-600 cycles of charging. Working for 2.5-8 hours at different heating levels.
• Operating temperature range: 0°C to 45°C (charging), -20°C to +60°C (discharging). The rated for use between 60°C/140°F in high temperature and range -20°C/-68°F in low temperature. Ensuring consistent power regardless of the environment.
• Built-in safeguards with overcharge, short-circuit, and overheat protection.