Written on 21.05.2022, 08:09 o’clock
10.8v battery question
Written on
Thank you for your investigation.
I will pass this onto our Service department for comment. Anyone that has batteries faulty under the warranty or extended battery service I encourage you to book them in to our service department.
Bob
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Plumber / Heating, air conditioning installation
Plumber / Heating, air conditioning installation
Written on
I'd just like to thank BatteryBoy for his discovery and post refering to the faulty batteries.
I've finaly got round to digging out all my faulty ones which were still sitting in a box in the garage.
Following Batteryboy's tips I've managed to fix 6 out of 8 faulty batteries.
Its amazing that Bosch with it's vast technical knowhow has been stumped with this problem and yet all it takes is a simple tap with a hammer!!!
If you've still got any faulty batteries I'd strongly recommend you try BatteryBoys advice at the bottom of page 20.
And Bob, why did you change the title of my original post from FAULTY 10.8v BATTERIES to 10.8v BATTERY question?
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Just a WARNING for those who are tempted to "fix" their battery with punching the faulty cell on its + terminal...
This might work, but you're putting yourself in risk of a more serious battery failure, possible cell explosion and/or fire and injury!
What this "hack" does is bypassing the internal cell protection (not talking about the electronic protection or ECP - that's outside the cell), which was triggered for a reason (most probably due to high demanding usage and cell overheating). When the cell overheated, or it had a similar internal/chemical problem - the protection valve snapped (and gas escapes from the cell also) while disconnecting the + terminal. So when you punch it back, you reconnect the terminal internally, but there is no protection anymore. Maybe you've heard of battery explosions which happend to cheap replacements - copies/fakes/china low cost junk/etc, that's because they're often produced without such protection.
In the end the battery will probably work fine for some time, but cannot be considered safe. So be careful when using it and make sure, you don't overload it. Or maybe better re-cell the battery with new (quality) cells.
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Written on
Can you use the 10,8v 1,5Ah battery charger to charge the newer 2Ah batteries please?
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I have done some battery tests. See here data https://youtu.be/7w-PZakyMLQ
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I have done some battery tests. See here data "https://youtu.be/7w-PZakyMLQ"
This post was edited by
roeebloch
on 19.08.2017, 17:48 o’clock
Reason: Link
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Also added another video that is related to battery and wireless charging
See here:
https://youtu.be/v4Q17wIsP5o
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Written on
You can cange the cells inside will cost you about 15-18£, but you’ll have a 3ah battery, like a did with mine ones
marsell
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This post has been deleted by
marsell
on 14.09.2017, 20:19 o’clock
Reason: Double post
marsell
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Written on
Hi. Having problems removing the 12v battery from the cordless easysander12. Any tips would be greatly appreciated.
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