Outdoor #ESP826 ?

How are folks powering their outdoor / remote IoT devices? I’m not about to spend $20-30 on a 3 watt solar panel, charge controller and battery system to power a $2 wireless sensor node (or any sensor node for that matter.)

The $10-15 solar power bank things are a laugh with their 0.5 to 1.0 watt panels, I doubt the solar barely overcomes the current for the management circuity.

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