One simple step to warm feet is with Hotronic. The Hotronic E3 Power Plus Pack uses stronger batteries than previous models for
... This pack
Includes:: 2 E3 battery units, heating elements with self-adhesive covers, & a global recharger
This pack includes 2 E3 battery units, heating elements with self-adhesive covers, and a global recharger – everything you need to start warming your feet. The E3 battery has 3 NiMH cells ideal for use in cold environments, 4 heat settings and easy
This pack
Includes:: 2 E3 battery units, heating elements with self-adhesive covers, & a global recharger – everything you need to start warming your feet. The E3 battery has 3 Ni MH cells ideal to be used in cold environments, 4 heat settings & easy to read LEDs for efficient heat management.