The Hotronic S4+ Replacement Battery is a great option if you have lost or burned out an existing Hotronic Battery System. The S4+ has a longer lasting, stronger battery that can provide up to 21 hours of heat on the lowest setting (outside temperature depending). This battery pack is fully compatible with previous S4 model heating elements. Features: Up to 21 Hours of Battery Life, The Highest Setting is a Timed Setting to Prevent Burns, Includes 2 Batter Packs, Charger, Heating Elements, Cambrelle Covers and European Outlet Model Year: 2021, Product ID: 607658, Model Number: 01-0100-1143
- With four cells in each Battery Pack, The Power Plus S4 is Hotronic's most powerful, longest lasting Battery Pack for use in its S Series Footwarmers. Use these batteries as replacements with better reliability and longevity as ever before with NiMH technology.
- Maintains up to 55% of full charge and 95% of initial capacity after four years of non-use.
- Increased capacity offers up to 30% in higher average temperature and longer duration on a single full charge in the cold.
- Redesigned power toggle switch to minimize unintended outages.
- Includes one (1) s4+ Power Plus Battery Pack