Hi
I have a project running on battery, per today single cell LiPo 2000 mAh.
System drags 8mA, and each hour a LoRa message is sent that uses 70mA for 2 sec. Lasts for around 90h with no solar charging.
I'm concerned using and charging while really cold due to chemistry that is not meant for cold days.
Any tip for battery that can survive this cold?
M
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