![batteries - How to make a solar battery charger for more than one lithium-polymer cell? - Electrical Engineering Stack Exchange batteries - How to make a solar battery charger for more than one lithium-polymer cell? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/EcM8g.png)
batteries - How to make a solar battery charger for more than one lithium-polymer cell? - Electrical Engineering Stack Exchange
![Here's a portable DIY solar charger I made that works GREAT for phones and USB devices. Take it hiking, camping, backpack… | Solar usb, Solar usb charger, Diy solar Here's a portable DIY solar charger I made that works GREAT for phones and USB devices. Take it hiking, camping, backpack… | Solar usb, Solar usb charger, Diy solar](https://i.pinimg.com/736x/97/58/de/9758de33c571bb60550d4708f0a83c1b.jpg)
Here's a portable DIY solar charger I made that works GREAT for phones and USB devices. Take it hiking, camping, backpack… | Solar usb, Solar usb charger, Diy solar
![Trying to design a solar battery-powered ESP32 that operates 24/7, this is the current circuit I designed to accomplish this, are there any issues with this circuit? Would appreciate any feedback or Trying to design a solar battery-powered ESP32 that operates 24/7, this is the current circuit I designed to accomplish this, are there any issues with this circuit? Would appreciate any feedback or](https://i.redd.it/1rsxc9kn14ra1.jpg)