**BATTERIES SOLD INDIVIDUALLY. TO BUY A SET ADD QUANTITY 2.

Fieldsheer® uses only the highest quality Lithium-Ion batteries to ensure long-lasting power and battery life. Our batteries are designed to power your Mobile Warming product for hours ensuring you stay warm and comfortable. The 3.7volt Premium Bluetooth® battery is exclusive to our Premium BT Sock and requires MW-Connect® App to use.

Specifications:

Rating: 3.7volts, 2200mAh
Input: DC Jack 4.7volt@1A / Micro USB 5V@0.8A
Charge Time: 5-6 Hours
Size Inches: 3.15in x 1.89in x 0.57in
Size Metric: 80mm x 48mm x 14.5mm

3.7v Powersheer™ Micro Premium Bluetooth Sock Battery