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On 24/07/13 09:04, raymond.knowles@xxxxxxxxxxxxx wrote:
Thanks for the info. I have now checked (should have done that before, but I am not used to laptops), and the battery is shown as -Hi Neil, Here goes with my twopennyworth. I used to work for Lucent Techologies, researching the optimum ways of charging and discharging batteries. Yes you could leave the laptop on permanent mains power, but the battery will eventually 'forget' that it is a battery, and becomes simply a (large?) capacitor across the power supply. Alternatively, you could fully charge-cycle the battery, only re-charging it when you get the four minute warning. When you do charge it, leave the charge on for overnight or thereabouts, then re-commence the discharge cycle. Modern lithium-ion batteries are much better in terms of charge memory effect. It's nothing like the problem that is was with Ni-Cad batteries. If you go down the charge- cycling route, be pleasantly surprised if you get more than 1000 charge cycles.
6 cells Smart Lithium-Ion pack, 48.84 WH.so it should be OK in terms of charge, as you said. However it is not going to last more than 1000 charges you say.
Too low a temperature should not be a problem as it will be kept indoors all the time.
Thanks, Neil -- The Mailing List for the Devon & Cornwall LUG http://mailman.dclug.org.uk/listinfo/list FAQ: http://www.dcglug.org.uk/listfaq