Essential batteries for Therm-ic heated socks can heat socks for up to 8 hours. The batteries are thin and compact.
The batteries have 3 levels of heating and can be controlled directly on the battery body.
| Batteries | Level 1 | Level 2 | Level 3 |
|---|---|---|---|
| S-Pack 700 | 6 - 8 | 3,5 - 4,5 | 2 - 2,5 |
| S-Pack 700 B | 6 - 8 | 3,5 - 4,5 | 2 - 2,5 |
| S-Pack 1200 | 10 - 14 | 5,5 - 7,5 | 3,5 - 4,5 |
| S-Pack 1400 B | 12 - 16 | 6,5 - 8,5 | 4 - 4,5 |
Values are given in hours