T42 battery charging weirdness

[RonKuper]

Twice now I've run into a situation where my ThinkPad while seemingly (stubbornly) not recharge its ultra-bay battery. I've left it suspending overnight, in the morning the little green "charged" lite is all set up, but when a wake it up is reports only 50% battery time, that 1 battery isn't charged.

Both times I fixed it by turning the machine of completely and letting it charge up that way.

Has anybody here ever seen this kind of thing?

TIA.

[JLai]

Sometimes my ultrabay battery will do the same whether its suspended or not. I just pull the battery out and plug it back in. Then it charges right up. I think its some kind of small glitch which I'm not sure if there's a fix or not. It doesn't happen very often with mine, so it doesn't bother me.

[maqo]

This has happened to me as well (2378-FVU). At first I suspected a loose AC-adapter connection, but I now think it may be a finicky transformer in the power supply, because once the system refused to recognize the power cable as being attached (even though plugged into a working outlet), and switching outlets helped.