On Tuesday 18 Feb 2014 09:30:47 Alan McKinnon wrote:
> Dell don't make 'em like they used to :-(
>
> Portable Battery
> Location: Sys. Battery Bay
> Manufacturer: Sanyo
> Manufacture Date: 12/02/2013
> Serial Number: 04DC
> Name: DELL 6R1V83C
> Design Capacity: 57720 mWh
> Design Voltage: 11100 mV
> SBDS Version: 1.0
> Maximum Error: 0%
> SBDS Chemistry: LION
> OEM-specific Information: 0x00000801
>
>
> 2-3 years is now the average we see around here.
I seem to remember that Li-Ion loses 20-25% each year of its capacity whether
used or not. Of course if it exceeds a certain number of charge/recharge
cycles then things deteriorate fast because cells lose their ability to hold
charge. So with average usage it should last 4-5 years and that has been my
experience with a number of laptops over the years. If you say that now they
last only 2-3 years something must be seriously wrong with them. Either they
spent a long time on the shelf before sold, or they are using substandard
materials.
Thanks for the heads up. I hope when I buy a replacement they will provide a
battery comparable to what I have now.
Back to the topic of the battery gadget, I noticed that although I set it to
"Hibernate" when the charge drops below 3%, after a reboot it shows "Suspend
when below". Why does this happen? Is 3% too low to leave enough energy for
hibernating?
--
Regards,
Mick
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