In series Lithium-ion undervolt protection

Thread Starter


Joined Feb 5, 2020
hi everybody hope you all having a great day!
I want to build a series lithium-ion battery pack undervolt protection circuit. (3 batteries in series with up to 10watt load)
i expect when it reaches 10 volts to cut off the power. I could use BMS modules but that's expensive for my number of production.
-One pal told me to use mosfets and zener diode. i never worked with mosfets and dont know how to use it. do anyone know any simple circuit for this?
-could a 12v relay and zener do the same? what's more efficient?