SDS100/SDS200: **SAFETY ALERT** SDS100 battery severely swelled

[paramedic228]

Then I asked:
Thank you very much for your reply. If I could ask for a bit more of clarification though.

I seem to have read somewhere that there is circuit protection of some kind that allows for the battery to be charged in the unit safely. Assuming that is the case, it is probably NOT a case of overcharging the battery that caused, or is causing the swelling?

Perhaps, because my scanner rarely leaves my desktop and goes mobile, this is the reason for the battery failing? If I were to have cycled the battery more often then maybe the failure would have been less likely?

They replied: "
While you are able to charge your battery in the SDS100, it is not recommended to have it always remain on its charging cable with its battery still in it. We do recommend that after charging the battery, you remove the device from the cable and only reconnect when you need to charge it again.

Thank you,
Uniden Customer Support"

 

[paramedic228]

I did ask them one last question about the chemistry of the batteries. They replied:
"Thank you for your response.

The SDS100 batteries are lithium ion.

Please let us know if you have any further questions or concerns.

Thank you,
Uniden Customer Support"

 

[doc62]

Found one of mine starting to swell today when I took it out of the external charger. I’ve only used the external charger with them so it lasted since 2019.

 

[Ubbe]

When googling for info the result says: "A Lithium-Ion battery's average life span is 2 to 3 years or 300 to 500 charge cycles, whichever comes first."

It's counting full charge cycles. So if you charge from 75% to 100% it will be counted as 1/4 of a charge cycle.
Like milk it goes bad after a certain time period without even being used.

/Ubbe

 

[buddrousa]

Ubbe that is not what a Motorola Engeneer told me in a class. We were told 10% or 99% are the same 1 charge cycle. I have found that to be true with Kenwood Li batteries charging my walkie less than once a week I got 7 to 8 years of 100% service life.