Universal AC Adapter High Speed Charging Portable Dual Charger and Battery (7.4V 2200mAh(2pcs)

The "J-Jinpei 4000mAh Rechargeable Lithium Battery" is a must-have for anyone looking for a reliable and efficient heating solution.

With its high capacity of 4000mAh, this battery provides long-lasting warmth that can last up to 6.5 hours, making it perfect for heating sweaters, vests, and other clothing items.

The rechargeable lithium-ion battery is safe and reliable, with a charging time of only 4-5 hours, ensuring that you can quickly and easily recharge the battery when needed.

Plus, the product comes with a quality assurance and perfect after-sales service, giving you peace of mind when using the product.

Don't miss out on this amazing offer - order your "J-Jinpei 4000mAh Rechargeable Lithium Battery" today!