The Police P26A 18650 Battery is our best-rated 18650 cell ... it must have extra protection in the form of a protection circuit board (PCB) or battery management system (BMS), which is not ...

Finally, the device is fully battery powered, relying on an 18650 style Li-ion battery with associated protections ... Above the right side of the screen on the edge of the PCB we included some ...

Avid first person view (FPV) flier [David Cledon] has taken this concept to its ultimate extreme by designing a 3D printable quadcopter that’s little more than an 18650 cell with some motors ...

Assemble your own Arduino-based FPV headtracker to control a camera that moves with your head, letting you look around and ...