Multimeter Upgrade on Li-ion Battery With Charging From USB

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Introduction: Multimeter Upgrade on Li-ion Battery With Charging From USB

About: just do it yourself

How do i upgrade a multimeter

Step 1: All the Things You Need

  • Li-ion battery. 18650:

http://ali.pub/22bdhq or http://ali.pub/22bdjo . Other sizes: http://ali.pub/22bdmz or http://ali.pub/22bdnk

Step 2: If You Use a Charging Board With Protection, Use This Picture.

Step 3: Without Protection Will Look Like This.

Step 4:

Now you can throw away the 9-volt battery.

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    4 Discussions

    if we try to use 2 bms in series for some specifications, then how do i make connections?

    1 reply
    0
    user
    rcs-al

    7 months ago

    How much current does the dc-dc converter drain on idle when the multimeter is off?

    1 reply

    close to 0 ,my multimeter could not measure it. If you worried about it, you can put the switch in the circuit break