Just because an 18650 cell takes a charge doesn’t necessarily ... As an added bonus, if you plug the device into your computer, it will output charging statistics over the serial port.

ScubaLab takes a first look at Kraken's updated universal smartphone housing and next-generation app. This housing and app ...

The custom PCBs connect to not only the Pico and screen but also the LEDs, buttons and a couple of 18650 batteries via a IP3506 5V 2A charge / discharge controller making the unit portable.

Driven by increasing demands for battery energy density from electronic devices, the development of ... LHCE-GPE enables practical solid-state 18650 cylindrical lithium metal batteries to operate ...