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JMH
08-21-2019, 06:06 PM
It’s been hot here in Texas as usual in the summer. After flying for an hour or so, my battery health warning light on my EFIS begins to flash slowly. 2 seconds on, 2 seconds off. The battery manual trouble shooting guide states this warning is because the battery is getting hot. I assume it’s getting heat soaked in the engine compartment. Have any of you seen this? Any suggestions on how to prevent this? Insulation of some kind?
After it sits for a while, the warning light goes away. I’m thinking about trying some heat reflective barrier.
I thought I’d check with the group for suggestions.

Thanks
John
Supersport S7 with Rotax 912iS
Dynon HDX

Shadowrider
08-22-2019, 06:02 AM
Most obvious answer wait until fall to fly🙂. Kiddding.....maybe try some hp heat shield. It has a insulation to help shield from the heat. Stuff is good. It can be formed and has adhesion that holds up to the heat.
https://www.amazon.com/gp/aw/d/B0051UPLCG/ref=ox_sc_saved_image_2?smid=ATVPDKIKX0DER&psc=1

David47
08-22-2019, 03:12 PM
Alternative to heat shielding is grab some air from the engine cooling intakes and direct it over the battery.