Additional Battery Packs extend total foot warming duration throughout extremely cold days.
With three (3) cells in each Battery Pack, the Power Plus e3 is Hotronic's most powerful-yet-compact Battery Pack!
WARNING: The Power Plus e3 Batteries can only be recharged using the Hotronic Power Plus e and m Series Recharger, with the white plugs.
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LOST A BATTERY? We Highly Recommend:
| Temperature and Duration Settings |
| Setting |
Approximate Average Temperature |
Duration Range
 |
| °F |
°C |
| 1 |
84 -95 |
29 - 35 |
14.5 - 17.75 hrs |
| 2* |
107 - 118 |
42 - 48 |
5.5 - 7 hrs |
| 3 |
122 - 132 |
50 - 56 |
3.5 - 5.5 hrs |
| 4 |
158 - 168 |
70 - 76 |
2 - 3.5 hrs |
Based on Battery Packs at average -22°C to -15°C (-9 to +4°F) ambient temperatures.
* Setting 2 is the most common setting. |
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Note: If you are purchasing the the Hotronic Battery Pack Power Plus "e" series batteries (e4 / e3) to replace a Hotronic Battery Pack Power Plus "m" series batteries (m4/m3), we recommend replacing both batteries. The "e" series batteries are warmer than the "m" series batteries on the same settings.
See our >>
Comparison of e Series to m Series Temperature & Duration Chart
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