Muddy Nucleus 3.7V Power Bank Black 3500MAH. They need complementary layers that seal out wind cold and moisture while simultaneously trapping their bodys heat and warming them from the inside out. And because long cold sits quickly deplete their body warmth they need gear ready and willing to do some of the work for them. Part of Muddys all-new assortment of hunting apparel and accessories every item with the Nucleus name delivers a long-lasting and adjustable heat source that sees passionate tree stand hunters through their longest coldest days in the field. A staple in this new lineup the 3.7-volt 3500mAh Nucleus Power Bank keeps all your heated gloves and socks charged up on the go and operational during all-day sitswhether you need a back-up power supply in the stand or to charge up quickly when youre in camp or road-tripping between hunts out of state. This compact rechargeable power bank includes one USB-C charging cable and comes as a set of two meaning youll make even faster work of getting heated gear up and running when you need it most. Specifications for Muddy Nucleus 3.7V Power Bank: Manufacturer: Muddy Battery Type: Lithium Ion Charger Type: USB-C Color: Black Age Group: Adults Electronics Outputs: USB-C Electronics Usage: Accessories Features of Muddy Nucleus 3.7V Power Bank Rechargeable 3.7-volt 3500mAh power bank keeps Nucleus heated gloves and socks both charged and operational all day long Included USB-C charging cable recharges most batteries in as little as 3 hours Dual charging ports allow hunters to recharge both power banks or batteries for gloves and socks simultaneously Perfect for use during long days in the field between hunts and while traveling Comes with two power banks Package Contents: Muddy Nucleus 3.7V Power Bank Muddy MUD-HT-BATT-3.7V-2PK: Nucleus 3.7V Power Bank Black 3500MAH