Re: What is the purpose of that 7.2V built in battery in most notebooks?
Posted on 2023-05-27, 20:02
What is that inner 7.2V battery supposed to do in most laptops? Isn't that for powering RAM in sleep mode? I think the PSU in these early laptops was not efficient enough at low power draw to use the main battery and not drain it too quickly. But that's my educated guess, I'm not really into old …