Article View: alt.sys.pc-clone.dell
Article #4Re: Running laptop on AC power with battery removed
From: starved
Date: Thu, 13 Aug 2009 18:35
Date: Thu, 13 Aug 2009 18:35
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4567 bytes
On Aug 13, 12:14 pm, "Christopher Muto" <m...@worldnet.att.net> wrote: > no crossposting please. this reply only to alt.sys.pc-clone.dell where it > was read. > > first of all i wonder if you are aware of how dated (old) the information is > on the web site that you referenced. > it talks about really old types of battery technology that have not been > shipped with new computers from any manufacturer in years. > a battery in a zip lock bag kept in your fridge isn't going to help you if > you plan on using your laptop like a laptop. and if you are using your > laptop as a desktop (plugged into the wall) there is always the chance of > pulling the power cord out when the unit (or the cord) is moved... and > without a battery installed in the machine that means you loose whatever you > happen to be working on. not using your battery also has a cost. simply > put, a battery is not like fine wine, it does not get better when left on a > shelf to age. use it or loose it. what you spend on zip lock bags and in > time juggling the battery in and out of the system and not having it charged > when you actually need it will probably cost more in dollars and > productivity than a replacement battery will cost you when you happen to > need it. > > <star...@rock.com> wrote in message > > news:2a7b07e8-c255-4920-864d-20e4badc6352@s15g2000yqs.googlegroups.com... > > > > > Brand new Dell Inspiron 1545 laptop purchased last week. At this time > > the system will be used as a desktop, running on AC power continously. > > > According tohttp://www.batteryuniversity.comand other sources, > > leaving the battery in - while always running on AC power and never on > > battery power - will shorten the life of the battery. > > > So the battery's been removed, and with a 40% charge on it, it's in a > > ziplock bag and stored in the refrigerator. > > > The plan is to remove it from storage after some time, put it back in > > the laptop, recharge it back up to 40%, and then store it in the > > refrigerator again. This cycle will be repeated indefinitely. > > > My questions are: > > > 1. How long can the battery remain stored in the refrigerator before > > it has to be recharged? One month? Two months? > > > 2. Should I be concerned about corrosion of the contacts or dust > > buildup in an empty battery compartment? > > > Any help would be greatly appreciated. Thanks! > > > - Dave- Hide quoted text - > > - Show quoted text - I can see there are differences in opinion on this topic. I appreciate all who provided intelligent responses. After careful consideration, I'm going to go with Barry Watzman's advice. - The battery will be stored at 60% state of charge. - Instead of storing it in a refrigerator, it will be placed in a drawer, in an air conditioned environment that never gets above about the high 70's. - The battery will be given some use 4 times a year. Every 3 months it'll be charged it to 100%, then run down to 60%, then removed and put back in storage. Thanks again! - Dave
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