About this item

• 【Multiple Safety Protection】We adopt the latest version of intelligent chip and high quality Li-polymer. Its conversion rate is 30% higher than that of its predecessor, and it can protect your devices from overvoltage, overcurrent, overcharging and short circuit to ensure your safety in use.
• 【Auto Start Function】 It is specially designed for heated clothing. When you wear heated vest, heated jacktet, heated pants or heated hoodies, it is inconvenient to change the battery. With our products, you do not need to press the switch button, because it will be turned on as soon as the battery is connected. It will automatically sleep when not in use.
• Special 20000mAh battery pack designed for heated clothing, compatible with various heated devices and smartphones. Please be aware this is a 5V heating vest battery pack and is not compatible with 7.4v heated clothing.
• 【Extra large capacity for all day warmth】With a higher conversion rate, it can continuously heat vests for 6-20 hours (6-7 hours high temperature, 12 hours medium hours, and 20 hours low temperature ). It can charge iPhone 13 4-5 times, iPAD Mini 2-3 times. This is the perfect battery backup for your heated clothing for outdoor use in winter!
• 【Perfect Spare Battery for Heated Clothing】Compatible with most heated devices (heated jackets, vests and pants) on the market, with seamless battery replacement, it can be taken as an extra battery pack, allowing you to enjoy more time outdoors and keep warm at all times.