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

About: Hi. Ԁ: ʎzɐɹɔ ɯI

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

Teacher Notes

Teachers! Did you use this instructable in your classroom?
Add a Teacher Note to share how you incorporated it into your lesson.

Step 1: Materials

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

Step 2: Cutting

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

Step 3: Joining

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

Step 4: Testing

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

Step 5: Watching

watch the video

Step 6: Enjoying

enjoy for and be happy see you

Step 7: Message

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.
if you liked this ible  pls. comment and subscribe

if you have questions just feel free to comment 

thanks

Epilog Challenge V

Participated in the
Epilog Challenge V

Instructables Green Design Contest

Participated in the
Instructables Green Design Contest

Be the First to Share

    Recommendations

    • CNC Contest

      CNC Contest
    • Make it Move

      Make it Move
    • Teacher Contest

      Teacher Contest

    3 Discussions

    0
    None
    wazalac18

    6 years ago on Introduction

    just wanna add something,
    this would have been better if there are indicators that :
    the batteries were compatible or still capable of being charged
    the batteries were charging
    and the batteries were fully charged.

    0
    None
    ben7798

    6 years ago

    watch what video? I dont see a link...