From: "Lewis G Rosenthal" Received: from [192.168.100.201] (account lgrosenthal HELO [192.168.200.22]) by 2rosenthals.com (CommuniGate Pro SMTP 5.1.16) with ESMTPSA id 2354810 for ecs-t6x@2rosenthals.com; Sat, 10 Apr 2010 10:34:19 -0400 Message-ID: <4BC08C69.2050802@2rosenthals.com> Date: Sat, 10 Apr 2010 10:34:17 -0400 Organization: Rosenthal & Rosenthal, LLC User-Agent: Mozilla/5.0 (OS/2; U; Warp 4.5; en-US; rv:1.8.1.23) Gecko/20090827 MultiZilla/1.8.3.5g SeaMonkey/1.1.18 (PmW) MIME-Version: 1.0 To: eCS ThinkPad T60/61 Mailing List Subject: Re: [eCS T60/T61] T61 dead battery References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Hi, Jon... On 04/10/10 01:21 am, Jon thus wrote : > On Mon, 05 Apr 2010 21:27:12 -0400 Lewis G Rosenthal wrote: > > Lewis: > > Following up on my query: > > >> A good link for you: >> >> http://batteryuniversity.com/parttwo-34.htm >> > > Thanks for the link, some good advise there that I was unaware of. > > I'm glad you found it informative. >>> By booting into XP I find that it is detected as a dead battery. I also discovered that there >>> > is a > >>> power option app that allows the user to perform maintenance tasks on the battery to help it >>> maintain a longer life. >>> > > >> While there are only a handful of manufacturers of the various cells >> (Sanyo, SONY, Panasonic, Hitachi?, and a couple more which escape me, >> now), the electronics in the battery are really the only difference >> between the branded ones and the aftermarket ones, AFAIK. >> >> > > As a followup, I purchased a battery online from a 3rd party dealer. It's a Sanyo, as was my > original. It cost about 45% less than a Lenovo battery. And, under XP the power app (as well as > thinkvantage message center) give me alarms and warning messages that my battery is not authenic. > What a PITA, I had to disabled that stuff and downloaded a 3rd party battery meter. > > I wasn't thinking that you would be using Windows that much with the machine; I should have mentioned this. Diane has been running XP on the T61 for a while (since we were still spending so much time going back and forth with UniAUD on the T61), and I should have mentioned the nastiness of the Lenovo battery utility; I apologize. > And now the power app will no longer perform "battery maintenance tasks" to help extend the life of > the battery. So your comment that "the electronics in the battery...." is more important than when > I first read it. > > Indeed. Whether there is any real difference in the battery itself, or simply the "Lenovo" detection, it's an annoyance, at the very least. > So, for lurkers, if you have a T61 you may want to balance the cost savings of a 3rd party battery > against the loss of Lenovo's thinkvantage battery maintenance feature. > > Very true. As with the other ThinkVantage apps, the battery utility is an excellent addition, and one I miss when working under Windows on other brands of portables. -- Lewis ------------------------------------------------------------- Lewis G Rosenthal, CNA, CLP, CLE Rosenthal & Rosenthal, LLC www.2rosenthals.com Need a managed Wi-Fi hotspot? www.hautspot.com visit my IT blog www.2rosenthals.net/wordpress -------------------------------------------------------------