No switching mode battery slice "sleep."

I have a T520 (4240, BIOS 1.28) with batteries primary and 27 ++ "slice" of 55 ++. With the main battery on 80% charge the battery slice 8% load, I closed the lid and machine went to 'sleep '. I had not used for a few days and when I finally opened the cover, I found the power had been lost and the machine had to be started cold, losing my previous session.

While a few days, the battery slice fell to 0%, and then the machine lost power. Never, he opted for the main battery, which was still about 80% of the fees. This is the expected behavior? It doesn't seem fair to me.

Hi astecker,

Sorry for the late reply. Since your last post, we have several updates. Grateful if you can try to update the list below and see if the problem persists, if the problem persists so that I can get a case goes with genius on this subject.

BIOS: 1.39 here

Power Manager: 3.64 here

Power management: 1.64 here

Slice battery firmware Update

If the problem persists, please let me know, so I can connect one case to engineering.

JMT

Tags: ThinkPad Notebooks

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