My health on battery has gone from in the high 80s to 76% recently. So is now the time to replace it? 7 years old MBP 13". The battery life is pants, but it's always been pants if I'm honest. Is it time for a new battery when it hits 76% health, and can you get a genuine Apple battery replacement anywhere, as you do hear some horror stories about unofficial ones. Health Information: Cycle Count: 1675 Condition: Normal says internal readings Normal meaning what?