About the Hotronic S4+ Battery Pack
The Hotronic S4+ Battery Pack are perfect as replacement or spare for your Hottronic S4 heating system.
Features
- Additional Battery Packs extend total warming duration throughout extremely cold days.
- Includes 1 Battery Pack Power Plus S4.
- Product Code
- 34650056940002105
- SKU
I have had these boot heaters in my boots for 9 years ! I love them !
Love this ski boot warming system. Batteries need replacing (after 3 plus years), won't hold a charge.