SPECS

• Enjoy up to 10 hours of long-lasting warmth (3 hrs on high, 6 hrs on medium, 10 hrs on low heating setting) thanks to the increased capacity of the 5200 mAh, which deliver performance equal to market-leading 10,000mah @3.7V with higher efficiency and power output up to 7.2V.
• Charge your iPhone 11 up to 2X. Get the same performance and capacity in a smaller easier to carry form factor.
• Stay warm and enjoy more time outdoors by taking this along as an additional battery pack.
• UL & CE certified. Rechargeable up to 800 times.  We won't leave you alone in the cold.