12 volt battery voltages (lead-acid) 

I don't understand your question. Volts are taken as a reference to calculate the current capacity. Of the 100% capacity, a maximum of 80% can be consumed for lead acid batteries, so you should always leave at least 20%

@@drfenomeno There are three types of lead-acid batteries: flooded (wet), AGM and gel. These have 50% SOC (or DOD). Your above reply is for LiFePO4 (20% SOC or 80% DOD), not lead-acid.

I think you're confusing lithium and lead-acid batteries.

AGMs have a temporary float voltage of 13.8v that bleeds down…just say’n, that’s a characteristic of them…

To you my friend

buy a battery? a power charger? a car? I don't know what you're talking about

The lead-acid battery cannot reach 0% (100% depth) because it breaks down. It should not be poured at a depth of less than 50%, although it is not recommended to go below 70%. The discharge depth of the mobile battery (lithium) can reach a depth of 99%, but it is not recommended to go below 80% depth. Thank you for viewing my content. Greetings.

@@drfenomeno thanks.

@@donoturnback Noooo, thanks to you, I am thinking of making a video on this topic, and although my content is in Spanish, I will make the English version. 😊

@@drfenomeno sure

It's impossible for a 12v battery to show 22v at rest.

@@drfenomeno thank you, mera volt meter kharab ho gya tha you are right

😂 😂😂 you are using 24 v battery...

@@Suresh_Kumaar Yes, I had thought about it too, but a 24V battery really has 25V and even reaches 25.4V at rest.

@@drfenomeno ha to wo discharged battery he bhai tabhi low Ocv aaye 😂😂

Use repair pulse charger with automatic charge, microcontroller/CPU inside

Thank you for watching