Stay warm longer with an extra battery for the Heated Core Hand Warmer IconX Heated Core Vest IconX Heated Core Long Sleeve Shirt and the IconX Heated Core Pant.
- Re-chargeable 7.4V Lithium-ion battery
- 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
- USB output can be used to charge your mobile device
- Battery only. Extra charger sold separately