My Sony lappie battery, circa 5 years old, seems to have fallen off a capac= ity cliff edge in the last few weeks, only last half an hour now. It has b= een left out in the car boot at -8 deg. C a few times recently. Could tha= t be relevant. I know batteries shouldn't be charged when frozen, but I ha= ve avoided that.
rusty.
cliff edge in the last few weeks, only last half an hour now. It has been left out in the car boot at -8 deg. C a few times recently. Could that be relevant. I know batteries shouldn't be charged when frozen, but I have avoided that.
Don't know if frost matters, but Lithium Ion batteries do often fail exactly as you describe (a very sudden drop in capacity) anyway. The other thing you sometimes find is when failing, they can get very hot when being charged. (Normally they don't get hot when being charged, as they are very efficient at storing nearly all the charge they take, and very little gets wasted as heat.)
Never leave a laptop in a car in hot or cold weather, not only does it matter to the battery, but the screen life can be shortened as well, or so I'm led to believe.
Brian
cliff edge in the last few weeks, only last half an hour now. It has been left out in the car boot at -8 deg. C a few times recently. Could that be relevant. I know batteries shouldn't be charged when frozen, but I have avoided that.
I don't suppose the chilling did the battery much good but, at five years old, it owes you nothing anyway.
All you now have to consider is how is worth spending on a replacement battery for a laptop that is itself probably worth no more than double figures.
No. cool conditions are happiness for LI batteries. Although a slim chance is that the charge protection and deep discharge protection failed at low temps.
What is more likely is that the cells are degrading. They seem to do this almost overnight.
Sadly as with power tools., the cost of the battery is probably more than half the cost of the laptop.
I am facing the same issue with a S/H Acer that cost me 100 notes, and needs a new 50+ quid battery.
And its DVD drive wont read ALL of a DVD anymore..
acity cliff edge in the last few weeks, only last half an hour now. =A0It h= as been left out in the car boot at -8 deg. C a few times recently. =A0 Cou= ld that be relevant. =A0I know batteries shouldn't be charged when frozen, = but I have avoided that.
thanks for all the replies. After some searching on Amazon and Sony it seems Sony laptop batteries may be chipped so independent ones not recognized and won't even charge.
Failed to source a genuine Sony replacement yet (VGN-FW21L) likely to be around =A3120 - if they still make them that is. Quick obsolescence seems to be a Sony issue.
I always had very bad experiences with cheapo rechargeables from ebay in the past, they only last a few weeks.
Lesson learned: there are other manufacturers. Plus the whole Vista operating system has had to be reloaded about once a year as it just stops working.
rusty
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