Interesting Engineering on MSN16d
Toaster-like device ends wait for phone charging with quick battery swaps
Swippitt, a toaster-sized unit, allows users to swap a dead phone battery with a fully charged one within seconds.
Hackaday7y
A New Battery For A Potted Clock Module
These were chunky dual-in-line devices containing clock and non-volatile RAM chips, a crystal, and a lithium battery ... wires to bring in the power. A CR1225 cell was used rather than the ...