Li battery care in hot wearher

I put a wifi thermometer next to mine. You can set a temp for it to send alarms to you. The only problem is if you change wifi networks while camping.you have to reset them .
Someone probably makes a Bluetooth version that would eliminate that problem

Smart Temperature Humidity Sensor Works w/Alexa IFTTT, 1/4 Mile Super Long Range Wireless Digital Hygrometer with Alarm https://share.google/hTfrPcHavzAg4WIxW
 
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