His latest endeavor is a LiFePO4 battery charger that he made out of parts ... In the simplest circuit, you could drive an LED with a TL431. Connect an LED and a current-limiting resistor up ...

The ideal way to charge a LiFePO4 battery is with a dedicated lithium iron phosphate battery charger module as such a module’s ... In addition to the four connection holes (IN + / GND / GND / B+), the ...