Additional Battery Packs extend total foot warming duration throughout extremely cold days.
With three (3) cells in each Battery Pack, the Power Plus m3 is Hotronic's most powerful-yet-compact Battery Pack!
WARNING: The Power Plus m3 Batteries can only be recharged using the Hotronic Power Plus m4/m3 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 |
83 - 89 |
28 - 32 |
15 - 17 hrs |
| 2* |
96 - 106 |
36 - 41 |
5.5 - 7 hrs |
| 3 |
105 - 116 |
40 - 47 |
3.5 - 5 hrs |
| 4 |
135 - 144 |
57 - 62 |
2 - 3 hrs |
Based on Battery Packs at average -20°C (-4°F) ambient temperatures.
* Setting 2 is the most common setting. |
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