rechargable battery

Hi, I made this schematic using Kicad. It's main job is to receive the input 5v4amp20watt power from my mobile charger and step it up to 7.5v using the mt3608 boost converter module (module's input connects to J1 and output connects to J2) and then use the voltage regulator and send the charging...

Hi Everyone, My aim is to build a simple solar powered pump with a rechargeable battery to water plants. The idea is to use a 6V 1W Solar Panel connected to a TP4056 (protected) to charge a 18650 Lithium Ion Battery. On the output is an MT3608 2A Boost Converter to step up the voltage to a...

The title says it all. There a bit more to it, but essentially i would like to connect a motorcycle 12v bullet headlight to a rechargeable 12v battery with a switch. I Know nothing about electronics so if someone could point me in the right direction that would be awesome. I would also like...