O2Micro was issued 17 claims under US patent US 10,574,068 B2 on Feb 25, 2020 for the invention of charge/discharge switch control circuits for batteries.

A battery backup for the solar-mains hybrid lamp design that supplies a constant light output regardless of available solar ...

Kill Switch: How to Install A Battery Disconnect Battery disconnect switches, aka “kill switches,” discourage machinery theft and reduce problems with batteries being drawn down during storage.

[Trax] needed an LC meter and decided to use a tried-and-true design to build his own. The only problem was that he didn’t want to be tied to a bench supply or power outlet, which meant a bit… ...