Intermec Norand 6642 Battery Rebuild
Do you still use your unit and how does the battery behave on yours? Is
I'm getting 2000mah batteries within the next week to rebuild another
If my current trials with the rebuilt battery don't work, would you be
I use it on a daily basis. I have two small children, so when I watch them, I can't use a desktop or a laptop. The tablet is handy on the couch when the kids are running/crawling around.
Do you know the voltage of each cell and the voltage of the entire battery pack. That's important. In my experience using battery cells of the wrong voltage is usually the culprit. There really is a difference between 3.6v and 3.7v battery cells.
My battery pack only lasts about 5 to 10 minutes on full charge. I haven't rebuilt it yet, because I was never really able to figure out the voltage of the battery pack.
Sure. I wouldn't mind testing out your battery for you. But let's start with the voltage first. What voltage cells did you use to rebuild the battery pack?
The batteries are 3.6-3.7 volt 18650 batteries...which is pretty much
I recall that my batteries were reading roughly 12 volts charged, but it
I will be putting pics and specs up online about this venture within the
That might be the real issue
Thanks for the info on the Intermec Norand 6642 battery pack being 11.1 volts.
Reading your message, my take on it is that there wasn't enough attention being paid to the voltage of each battery cell.
I kept emphasizing that there is a difference between 3.6v and 3.7v 18650 battery cells. There really is. The 11.1 volt battery packs needs three 3.7v battery cells. 3.6 volt battery cells will not work.
I learned the hard way that 18650 comes in two types: 3.6v and 3.7v. I've rebuild the battery pack for my Sony SuperSlim notebook several times. But the last time I managed to find inexpensive 3.6v 18650 batteries. The rebuild didn't work. That opened my eyes to the difference between inexpensive 3.6v 18650 vs. the more expensive 3.7v 18650. It's documented in this post:
Base on your message, it doesn't sound like you know whether your new cells are 3.6v or 3.7v. That would be the first thing to check.
Is rebuiling battery safe? I have never tried doing this before. What will be the effect of the battery after it has been rebuilt? I thinks this is very complicated.
The effect of rebuilding the battery pack is that you'll have a "new" battery pack, because you are using new battery cells. Rebuilding the battery is safe if you know what you are doing. That typically means you know electronics, how to solder, and battery safety with regards to heat.
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Title: Repeated Beeping on Intermec Norand 6642
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