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: or . Other sizes: or

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.