| Volt VB322 Extra Battery Set for Volt Resistance Heated Slippers - - Set of two 3V rechargeable Li-ion battery packs.
- Batteries provide the slippers with up to 6+ hours of heat output per charge.
- 2200 mAh capacity.
- Push button power control.
- Batteries weigh 2 ounces.
- For use with Volt Resistance heated slippers only.