One thing you have to watch with the Braille Lite is that there are the 
regular string of AA batteries.  But, there is also a battery soldered 
across the EProm to keep the memory.
----- Original Message ----- 
From: "John J. Boyer" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, July 18, 2013 2:32 PM
Subject: Re: OT: Braille lite 40 question


> Batteries plus will replace the batteries. I've taken a couple of units
> to them.
>
> John
>
> On Thu, Jul 18, 2013 at 02:14:00PM -0400, Lou Kolb wrote:
>> I know this is off-topic, but at least it shouldn't generate flames and =
>> swearing, and I do use these units in the shack.
>>
>> Anyone on list familiar with the circuitry of the Braille Lite 40?  I =
>> have a friend who is offering to try to replace the battery packs in =
>> several units for me.  I sent him my oldest unit first to experiment =
>> with since I didn't really care what happened to that one.  He got the =
>> batteries in but now when he turns it on, it just beeps and no Braille =
>> comes up.  Has it lost the firmware?  He did find a lithium battery for =
>> the memorie which seems to be good.  It measures 3 volts.  I've now sent 
>> =
>> him another unit along with a charger so he can keep it powered while he 
>> =
>> changes the cells.  Any observations apreciated.  73,  Lou
>
> -- 
> John J. Boyer; President, Chief Software Developer
> Abilitiessoft, Inc.
> http://www.abilitiessoft.com
> Madison, Wisconsin USA
> Developing software for people with disabilities