Extended Warmth for Your Socks: These 3.7-volt lithium-ion batteries provide long-lasting power for your Fieldsheer Mobile Warming heated socks Convenient Charging: Features a USB-C port for quick and easy charging using a standard USB-C cable Dual Battery Pack: Includes two batteries in a pack, allowing you to swap out batteries for continuous warmth during extended activities. Compatible with Fieldsheer Heated Socks: Designed to work seamlessly with Fieldsheer's wireless heated socks featuring the Mobile Warming technology. Compact and Portable: The lightweight size makes it easy to carry these batteries in your pocket or backpack for on-the-go charging.

The 3.7v Powersheer Wireless Heated Sock Batteries are premium power banks for your Mobile Warming Wireless Heated Socks designed to provide longer heat times between charges with its 4000mAh capacity, and they feature USB C quick charge input for faster recharge times. They can be used on our Premium 2.0 Merino Socks to increase heat times between charges, control of the socks will be via the wireless remote control not Bluetooth. Whether you’re hitting the slopes, trekking through the snow-covered landscapes, or simply bracing the winter chill. Embrace the winter season with the assurance that your feet will stay warmer longer, thanks to the advanced features of these exceptional batteries.

Specifications:

• Rating: 3.7volts, 4000mAh
• Input: USB C 5V@ .9A
• Charge Time: 5-6 hours
• Size Inches: 3.562in x 2.5in x 0.5in
• Size Metric: 90.5mm x 63.5mm x 13mm

Garments Compatible:

• Mobile Warming Wireless Heated Socks
• Premium 2.0 Merino Heated Socks*

*Using our Powersheer 3.7v Wireless Heated Batteries in any of our traditionally Bluetooth enabled heated socks will disable the Bluetooth feature when these batteries are used.