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

Picture of Multimeter Upgrade on Li-ion Battery With Charging From USB

How do i upgrade a multimeter

Step 1: All the Things You Need

Picture of 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.

Picture of If You Use a Charging Board With Protection, Use This Picture.

Step 3: Without Protection Will Look Like This.

Picture of Without Protection Will Look Like This.

Step 4:

Picture of

Now you can throw away the 9-volt battery.

Comments

GayatriA3 (author)2017-12-03

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

18650Factor (author)GayatriA32017-12-05

I don't understand you

rcs-al (author)2017-11-28

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

18650Factor (author)rcs-al2017-11-28

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

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