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

Mobile Warming® 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: 2.8in x 1.8in x .5in
• Size Metric: 73mm x 47mm x 13.5mm