Stay warm longer with an extra battery for the Heated Core Hand Warmer.
- USB rechargeable 7.4V Lithium-ion battery, and comes with cable
- Approximately 6.5 hours of battery performance at Low setting, 3 hours on the medium setting, and 2 hours on High setting – individual performance may vary depending on heat level selection and usage
Note: Pnuma does not guarantee 3rd party Battery for life. Battery guaranteed against defects in performance for 1 year from the date of purchase. Battery life will vary by heat level selection and usage.

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