I got these Topband 25 AH LiFePo4's (metal cased) for my trailer (they are an old, undersized pack for another project). I am in the process of insulating and heating the pack for cold morning charges. The orange pad is a 15 watt silicone heating pad, and the clear box is a thermostat that is set to kick the pad on at 35 degrees, and off at 40. I will be adding a low voltage disconnect to the pad circuit as well. The pack will be insulated in non-conductive foam, and cased in Styrofoam / wood box.
Here's my question. Could the batteries be set on their side and the heating pad go underneath? The pad is a little too large to go on the bottom of the pack, but it fits almost perfectly on the side, and I think that the heat would radiate upward into the cells, especially if the thermostat is programmed to kick on BEFORE it freezes, and the sensor is far away from the pad.
Here's my question. Could the batteries be set on their side and the heating pad go underneath? The pad is a little too large to go on the bottom of the pack, but it fits almost perfectly on the side, and I think that the heat would radiate upward into the cells, especially if the thermostat is programmed to kick on BEFORE it freezes, and the sensor is far away from the pad.