With three (3) cells in each Battery Pack, the Power Plus e3 is Hotronic's most powerful – yet compact – Battery Pack! With three (3) cells in each Battery Pack, the Hotronic Power Plus e3 helps keeps your feet warm while you enjoy outdoor activities. There are three cells in each Battery Pack to ensure your feet can stay warm for over 15 hours.
All battery packs are compatible with all heating elements, old and new.Features:
Based on battery pack in ambient temperatures of -22° to -15° C (-9° to 4° F).
Based on heating element in ambient temperatures of 20° to 26° C (68° to 79° F).
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