Nothing to do with uC: measuring parasitic draw from car battery


Author Message
TassyJim

Guru

Joined: 07/08/2011
Location: Australia
Posts: 6543
Posted: 12:25am 16 Aug 2024      

My 2019 Subaru has a drain of 30-40mA.
That measurement is at the limit of my meter accuracy.

I estimate that 2 months without recharge and it will be a no-go.

The alarm system on my 1998 MG was a lot worse.

My tractor can sit in the padock for 12 months...

Jim