If using Humminbird Electronics in ice fishing mode, the default battery type will be 14.8v NMC. You will need to change these settings in the Humminbird menu to the proper lithium battery type you are using (12.8V LFP, etc).
12.8V LFP Models: 8Ah, 15Ah, 20Ah
14.8V NMC Models: 19Ah, 32Ah
The following are estimated operating times from Humminbird's estimated power draw. Operating times may vary based on conditions and settings.
| Product | 8Ah LiFePO4 | 15Ah LiFePO4 | 20Ah LiFePO4 | 19Ah NMC | 32Ah NMC |
| ICE 35 | 40 | 76 | |||
| ICE 45 | 34 | 64 | |||
| ICE 55 | 34 | 64 | |||
| Helix 5 | 14 | 26 | 38 | ||
| Helix 7 | 20 | 27 | 29 | 49 | |
| Helix 9 w/360 | 9.8 | 16.4 | |||
| Helix 9 w/Live | 9.8 | 16.4 |