The heat pad carries about 15W per side, so 14- or 16-gauge wire is typically recommended for extra wire length. Silicone rubber is well suited to the production of heated mats which are produced by laminating fine resistance wires or an etched foil circuit between two sheets of silicone rubber. This is reinforced with a glass textile to give improved mechanical strength.

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Bespoke Silicone Rubber Heater MatsCustomised to your design, shape, size and cutouts available within 14 working days Today, we are proudly introducing our own branded RS PRO Adhesive Silicone Mat designed for areas where standard heating methods are challenging to apply. Our Mat is self-adhesive and has etched foil element embedded into a glass cloth supported rubber compound. Silicone Rubber Industrial Pipe HeatersFor use with small diameter pipes, capable of custom shapes, and maintains a constant temperature with gasses and liquids.

I think you made a good decision. Everything you described was pointing to the metal floor causing all the problems. Fixing that with a simple passive solution is far superior to adding the complexity of a heat pad and it's controls. The only thing I might have done different would be to add more insulation (double layer of rubber?). Keep us posted on the results. A 12V soldering iron is a platform to model a control unit. Finding the resistance that works for you. Enclosure HeatersPre-attached to a mounting plate, enclosure heaters provide protection against frost and condensation in enclosures containing electronic equipment. Our heat pads come equipped with an ambient temperature sensor. The ambient temperature sensor sits between the battery case and wiring harness, allowing the heat pad to only be turned on when below 35°F. Once the ambient temperature sensor reaches 35°F, the switch is enabled, allowing current to flow to the heat pad.

LiFePO4 heating pad for cold temperatures - DIY Solar Power Forum LiFePO4 heating pad for cold temperatures - DIY Solar Power Forum

The Silicone Rubber with a diverse range of industries across multiple sectors makes them ideal, particularly in: RS PRO is our own-brand range of great-value products. Each part of every RS PRO product is stringently tested against demanding industry standards. We give it our seal of approval only when we're confident of exceptional quality. That's why RS PRO is trusted by engineers worldwide. As the temperature sensor needs to fit closely to the battery, make sure to measure your wire length and always leave a little extra length until you are ready to complete the heat pad’s installation.

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It is very important to ensure your expensive investment in LifePO4 batteries do not freeze while they are being charged. They will be damaged beyond repair. If your battery ever freezes DO NOT ATTEMPT TO CHARGE the battery. Allow it to thaw at room temperature before you re-charge! Maybe I don't even need the heating pad after the plywood and foam insulation is added raising the batteries off the cold steel floor. Placing a heating pad below the battery will eliminate the only face of six that is causing the low temperature problems. Wire it to its own fuse in the 12v panel (power consumption will be counted this way) and have it's own on/ off switch for when I want it to get power besides its own temperature range for the heat pad.

Heater Mats, Standard Sizes, Custom Design Silicone Rubber Heater Mats, Standard Sizes, Custom Design

All 12V Silicone Rubber Heater MatsVarious sizes between 1.25W and 80W available within 5 working daysPrecise and flexible heat distribution plays a crucial role in many applications where temperature control system for heating, warm and frost protection in drums, cylinders or hoppers machinery is invaluable in heating technology. These are really good for keeping things warm. I use one under my own lifepo4 battery bank and its very economical to run at only 40W I'm going to insulate the entire inside floor with foam board and put the rubber mat on top of it, along with pulling the batteries out again and adding the foam board under the rubber mat already in place. Picasso, I've never seen one of these heating pads in person that's I'm wondering about the placement of it.