*Fieldsheer garments have an athletic fit. If you are in between sizes or unsure on how to measure, we recommend you order a size up.
These 3.7-volt batteries are compatible with only Fieldsheer Heated Socks. To learn more about which garments are compatible with what batteries, check out our Mobile Warming® Technology Battery Compatibility Chart.
- One battery included
- Rating: 3.7volts, 2200mAh
- Input: DC 4.7volt, 1000mA
- Charge Time: 4-5 hours
- Size Inches: 2.8in x 1.1in x 0.8in
- Size Metric: 71mm x 27.9mm x 20.3mm