How to Make a 12 Volt Battery Charger

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hello YouTube stever and today I'm gonna

show you how to make a 12 volt battery

charger the regular 19 volt laptop

battery charger you get to do this

project you need a module it's DC to DC

step-down module and you need to

alligator clips and a multimeter you can

find some useful link in the description

below you can check that out okay let's

get started now you need to cut down the


now carefully remove the outer cell of

the wire


do it carefully


- wire is exposed the black one is

negative and the red one is your

positive now connect these black and red

wire to input of the module black one go