How to Make a Cheap Ni-cd,ni-mh Usb Charger

I know its not cheap to buy
an ni-cd,ni-mh charger so why not make one

you wil need
batteries
battery holder(mine was salvaged from an old toy)
old usb connector
usb charger
optional:
soldering iron
solder

cut the end of the usb it will reveal wires cut it all except red and black wires

tie or solder the red wire to the positive terminal and blaack to negative

connect it to the charger
plug the charger
try to put an led to test it but be careful
it might damage your led and it heats

watch the video

enjoy for and be happy see you

when done charging do not let the  usb connected to your charger  for a long time it might
discharge your battery.
you can also charge carbon batteries just put an eye to it.
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if you have questions just feel free to comment 

thanks