Hotronic S4 Battery Pack
Powered by four (4) NiMH AA cells, the S4 is Hotronic's longest lasting battery pack. Adjustable through three constant settings and one timed "blast" setting, the S4 battery pack has a long life of 2.5 to 21 hours depending on the desired setting.
Powered by four (4) NiMH AA cells
NiMH cells do NOT have a "memory effect" and do not require fully discharging before fully recharging
Average Temperature Range: 84-173 Degrees Fahrenheit
Batery Life Range: 2.5-21 hours