Teardown: Lumintop 18650 Lithium Cell with USB Socket
Batteries are evolving! Now they have a small hole in them, where you shove in a micro USB plug. But how do they work?
Links:
My Reviews channel: https://www.youtube.com/channel/UCeewzdnwcY5Q6gcbnZKIY8g
Lumintop USB 18650: http://www.lumintop.com/lm34c-usb-rechargeable-18650-li-ion-battery.html
http://www.ic368.com/products/details/6453/
http://cds.linear.com/docs/en/datasheet/4057f.pdf