I have a feeling Humanware made the decision to hide away all the battery management tasks for the Apex simply because it's a lot easier to replace, and to make it simpler for the users.
By the way, I have to hand it to you Aine: you know BrailleNotes inside and out! Great to have you on the list. Cheers, Grant On 5/21/12, Aine Kelly Costello <[email protected]> wrote: > On the MPower and Apex, the battery low warnings start popping up when the > BN's battery hits what the gauge reckons is 10%. On the MPower, this figure > > is based on the nominal available charge as a percentage of the battery's > capacity as measured by the last time you recalibrated it. So if, for > example the last time the gauge was calibrated you used the WIFI heaps, but > > usually you don't, you're going to get a lot of battery low warnings if you > > use an MPower. If you really want to know just how low (or not) the battery > > is on an MPower, then you want to have alook at the voltage (support > information mode and V). I usually start thinking about plugging in the > charger once the voltage starts creeping down below about 7.1 or so... > recalibration voltage is 7 and critical voltage is 6.85, switch-offf is > 6.5. > > On the Apex, we can't see the voltage any more, something to do with it > using different battery technology. the battery low warnings will be > displayed based on the percent I think, until the unit hits 4%. After that, > > the gap between the last battery low and first battery critical will very > depending on how similar or different this battery cycle was to the one > where it was last calibrated. This conveniently ensures you will have > precisely 3 battery critical warnings before the unit dies, and also > prevents it from happily working while telling you it has 0% battery like > theMPower did.. > > Just what I have observed over years of BN use... :P > > > Áine > ----- Original Message ----- > From: "Marvin - a fellow Lister" <[email protected]> > To: "BN List" <[email protected]> > Sent: Tuesday, May 22, 2012 12:25 PM > Subject: [Braillenote] Battery Callibration > > >> I've discovered something that might be of interest, and it would make >> dealing with the battery a little easier. I'm not sure if the apex has >> this problem, but my mPower was doing this thing where I'd be using it on >> >> battery for a good while, and then it would suddddenly start saying >> "battery is low". It wasn't true though. It would still take about four >> >> hours after that for the unit to die. I tried callibrating even though >> the gauge said it was perfectly accurate, and that fixed it, I think. I'm >> >> going to use it off of AC power til it dies and see if it starts giving a >> >> too early low battery warning. If things work as they should, this is a >> useful post for anyone else who experiences the same thing I have. I'll >> post sometime tomorrow and let you all know if the seemingly unnecessary >> battery callibration fixed the issue. >> ---------------- >> Marvin Vasquez >> Google Talk/Keychat ID: [email protected] >> Skype: marvintva2010 >> ---------------- >> "Only when the last tree has died and the last river has been poisoned >> and the last fish has been caught will we realize that we can not eat >> money." >> 19th Century Native American >> ---------------- >> www.braillenoteusers.info, a website created and maintained by fellow BN >> >> List members, where you'll find information on getting the most out of >> your BrailleNote, and even some utilities and podcasts >> ---------------- >> Email sent from my BrailleNote mPower BT running Keysoft version 8 >> >> ___ >> Replies to this message will go directly to the sender. >> If your reply would be useful to the list, please send a >> copy to the list as well. >> >> To leave the BrailleNote list, send a blank message to >> [email protected] >> To view the list archives or change your preferences, visit >> http://list.humanware.com/mailman/listinfo/braillenote >> >> > > > > ___ > Replies to this message will go directly to the sender. > If your reply would be useful to the list, please send a > copy to the list as well. > > To leave the BrailleNote list, send a blank message to > [email protected] > To view the list archives or change your preferences, visit > http://list.humanware.com/mailman/listinfo/braillenote > > ___ Replies to this message will go directly to the sender. If your reply would be useful to the list, please send a copy to the list as well. To leave the BrailleNote list, send a blank message to [email protected] To view the list archives or change your preferences, visit http://list.humanware.com/mailman/listinfo/braillenote
