Friends in this video I will show you how to Upgrade Your Old Phone Charger And Easily Charge 1.5 Volt Battery..3.7 Volt..4 Volt..6 Volt Battery..Friends it is a very simple process and you can easily convert your old mobile phone charger into a 1.5volt to 12volt adjustable multipurpose adapter by this process..Friends after upgrading the old phone charger you will easily charge 1.5 volt battery, 3.7 volt battery, 4 volt battery, 6 volt battery and also low amp 12 volt battery by the upgraded phone charger..So friends it is a 1.5 volt battery charger, 3.7 volt battery charger, 4 volt battery charger, 6 volt battery charger and also low amp 12 volt battery charger..Friends you can use it as a multipurpose battery charger..To make it take an old phone charger then open it and then you will have to remove the zener diode and capacitor which are on the charger circuit..Then change the capacitor and the zener diode as I will show you in the video..Friends in this video I will show you the complete process of upgrading an old phone charger..So friends if you want to know how to upgrade your old phone charger and how to convert your old phone charger to a 1.5volt to 12volt adjustable multipurpose adaptor then watch the video and follow my instruction....Thanks...
1 piece 20volt zener diode, 1 piece 220uf/25volt capacitor,1 piece LM317 ic, 1 piece 1k resistor, 1 piece 10k potentiometer...
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