8/13/2023 0 Comments 9 volt battery phone charger![]() ![]() You’ll commonly get AA size batteries all over the earth, even in remote village. We had an article on choosing batteries for electronic projects. Of course, D size battery is great but it is difficult to get a holder for four D size batteries. Most convenient, easily available DC power is common batteries – AA, D size, 9V battery. But power bank usually costly and ultimately after a time face the same fate – it need to be charged. Charging mobile phone on the go is a headache. That is starting of discovering this new DIY way. ![]() I understood that I need some kind of portable charge. Those power outlets of cars use a relay, which somehow can not suck higher current from battery when another source drawing more current. These days, car’s battery not limited to supply power for honking, headlight, tail lamp. Basically, car’s battery optimized for running operations of the car. It is not about the manufacturer, phones manufactured by Apple to Samsung all suffer from this odd effect. After a brief Google search, it returned that most mobile phones has some issues with car’s USB port intended for charging or charger used with cigarette lighter charger. Astonishingly, it nicely started to take charge. I tried all possible ways and usual end – slapping, praying to God etc. In recent long tour, when I connected my Samsung mobile to new car, it started an odd problem – once connecting, in next moment getting disconnected. Here is Easy Guide On How to Make Mobile Charger With AA, 9V Battery Which Will Supply Regulated Voltage Ensuring Recommended Stable Voltage Supply. But none of them tell you how to easily get regulated power supply in easy cheap, easy way. There are hundreds of guides on the web on how to make mobile charger with AA, 9V battery. ![]()
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