The EarthX thermal battery box is designed to protect the battery in engine compartment installations from periods of high temperature (up to 1 hour), such as after shutdown, and from radiant heat from hot surfaces like exhaust systems during and after flight. This stainless-steel box has a mirror finish to minimize the effect of radiant heat, and it has a high-performance insulating foam layer between the box and battery to reduce effect of convection heat. The hold-down tab comes with a mounting fixture that can hold a cooling air duct up to 1” in diameter. This battery box was engineered to be strong enough to withstand 30 G of force yet only weighs 1 pound. It has the same mounting holes as the custom battery box or the multi-use battery box.
All batteries have optimal temperature ranges for use in operation. The ETX hundred series is rated for 140 deg F ( 60 deg C) or less for optimal longevity and performance of the battery. Typical lead acid batteries are rated to 113 deg F or 45 deg C.
This battery box is designed to be compatible with EarthX's existing “E” case battery models; ETX680/900/1200.
The “Radiant and Convection” test examined the internal cell temperature with an extreme test example. The battery was placed in a test environment chamber with temperatures of 185 Deg F (85 deg C) and simulated 1000 Deg F (538 deg C) exhaust pipe 6 inches from the front of the battery. In this case there was a 3.5X improvement in the time to heat up the battery cells to the high operating limit. In less extreme temperatures, the improvement can be 4X.
Model number BB-TB
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