Hi!
I see what NiCd battery inside FLUKE 8012 got charge
everytime when it was plugged into outlet It charges via simple current limiter
See chematics here C:/Users/vic/fluke%208010a%208012a/Fluke-8010%208012A_Instruction_Manual.pdf
There are not NiCd around now
What is the best way to mod Fluke 8012 to NiMH batteries? Is it some AA?