Leopard Power Management Bug?

OK, here's one for someone else to try. Since upgrading to Leopard, I have noticed that when my Macbook power goes down to about 3%, it just switches off. No sleep mode, just a complete powerdown - boom!

In Tiger, it always went to sleep and stayed that way for about 4 - 5 hours before finally dying. I tried this on another MacBook also under Leopard, and it did exactly the same thing.

I rarely let me battery become completely drained, so only really noticed this a few weeks ago. This morning I was on a conf call and in full screen WinXP mode (Parallels) so didn't notice the power draining, and again it just died.

Can someone test this, is it a Leopard bug, or do I have an individual issue?

Gave it a shot with my MBP today.

The battery went all the way to reading 0% and then went to sleep.

Have not tried it on the MB yet - will give that a shot next - however it is the 2.0 C2D, not the CD you have, so there may be other hardware differences also.

Don't know if I'll get there on the MB.

Been on it for an hour and a half already and still shows 3:49 time remaining on the battery. Man, wish my MBP lasted this long.

bobtomay said:

Don't know if I'll get there on the MB.

Been on it for an hour and a half already and still shows 3:49 time remaining on the battery. Man, wish my MBP lasted this long.

Click to expand...

Download a 1080p Apple trailer and loop it... it'll soon run out!

Same result on my MB as the MBP.

Went all the way to 0% and then went to sleep.

bobtomay said:

Same result on my MB as the MBP.

Went all the way to 0% and then went to sleep.

Click to expand...

OK, perhaps it's a Core Duo thang...

At first I thought the same thing on my iBook with Leopard but remembered it was starting to do the same thing under Tiger just before I went to Leopard. Battery is getting a bit flaky after 2+ years. Only happens when it gets down low. BAM and no sleep.