Kobo Mini Battery Replacement

Zero_Ego · 06-05-2019, 11:33 PM

Hi,

Does anyone know where I can source a new battery for my Kobo Mini.

I believe they are a Lithium Ion Polymer 3.7V battery, however I don't know what size or mAh capacity. (Obviously the greater mAh the better)

Thanks in advance.

Zero_Ego · 06-05-2019, 11:41 PM

I don't know what physical size or mAh capacity to look for.

ReaLx3m · 06-06-2019, 05:10 AM

Not sure what the size is the mini one, but battery models as those are named by dimensions.
As example 2.5mm thick, 50mm wide, 85mm long battery would be named 255085. So measure yours and look for the coresponding one on ali or ebay.

Zero_Ego · 06-06-2019, 06:42 AM

Quote:

Originally Posted by ReaLx3m

Not sure what the size is the mini one, but battery models as those are named by dimensions.
As example 2.5mm thick, 50mm wide, 85mm long battery would be named 255085. So measure yours and look for the coresponding one on ali or ebay.

Very helpful.

Thanks

Dr. Drib · 06-06-2019, 09:48 AM

Use Google and type in 'kobo mini battery replacement'.

Google is your Good Buddy.

Zero_Ego · 06-07-2019, 11:30 AM

Quote:

Originally Posted by Dr. Drib

Use Google and type in 'kobo mini battery replacement'.

Google is your Good Buddy.

It's not even the slightest bit funny.....well, I am amused.

I swear, I searched gOOgle high and low and found nothing. I see your 'kobo mini battery replacement' suggestion and think,

what the heck, so I cut and paste it and bingo! Up pops a Russian site with ALL the how to's.

Dr Drib, you're a GG. (Google Guru)

Steve

Zero_Ego · 06-07-2019, 11:36 AM

For anyone who is looking here is the URL.

https://e-ink-reader.ru/battery_info_en.php?dev_id=80

Dr. Drib · 06-08-2019, 10:12 PM

Quote:

Originally Posted by Zero_Ego

It's not even the slightest bit funny.....well, I am amused.

I swear, I searched gOOgle high and low and found nothing. I see your 'kobo mini battery replacement' suggestion and think,

what the heck, so I cut and paste it and bingo! Up pops a Russian site with ALL the how to's.

Dr Drib, you're a GG. (Google Guru)

Steve

I've been called worse, but those are by individuals I don't respect.

Glad to be of help!

Zero_Ego · 06-09-2019, 06:06 PM

This might help someone else.

My Kobo Mini was having charging issues. The battery percentage would jump dramatically in both charge and discharges. Other times it would settle, but mostly, I could never maintain a good steady charge. You could not monitor a reasonable linear discharging (Or charge) rate.

My first thought was to change the battery. However, first to make sure I wasn't software related, I flashed the FW onto a new 32GB (uSD).

**But I also re-seated the battery terminal, where it connects to the MB.**

I now have a perfectly stable unit.

I strongly suspect that it was electrolysis on the battery terminals causing the problem. This would explain why percentage display was jumping like crazy. (Simply a bad connection)

Check it out, it just may save you a new battery.

Hope this helps someone.

06-05-2019, 11:33 PM	#1
Zero_Ego Member Posts: 24 Karma: 10 Join Date: May 2019 Location: Melbourne, Australia Device: Kobo Wifi (N647), Mini	Kobo Mini Battery Replacement Hi, Does anyone know where I can source a new battery for my Kobo Mini. I believe they are a Lithium Ion Polymer 3.7V battery, however I don't know what size or mAh capacity. (Obviously the greater mAh the better) Thanks in advance.

06-09-2019, 06:06 PM	#9
Zero_Ego Member Posts: 24 Karma: 10 Join Date: May 2019 Location: Melbourne, Australia Device: Kobo Wifi (N647), Mini	This might help someone else. My Kobo Mini was having charging issues. The battery percentage would jump dramatically in both charge and discharges. Other times it would settle, but mostly, I could never maintain a good steady charge. You could not monitor a reasonable linear discharging (Or charge) rate. My first thought was to change the battery. However, first to make sure I wasn't software related, I flashed the FW onto a new 32GB (uSD). But I also re-seated the battery terminal, where it connects to the MB. I now have a perfectly stable unit. I strongly suspect that it was electrolysis on the battery terminals causing the problem. This would explain why percentage display was jumping like crazy. (Simply a bad connection) Check it out, it just may save you a new battery. Hope this helps someone. Last edited by Zero_Ego; 06-10-2019 at 07:11 AM.

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06-05-2019, 11:41 PM	#2
Zero_Ego Member Posts: 24 Karma: 10 Join Date: May 2019 Location: Melbourne, Australia Device: Kobo Wifi (N647), Mini	I don't know what physical size or mAh capacity to look for.

06-06-2019, 05:10 AM	#3
ReaLx3m Groupie Posts: 154 Karma: 32060 Join Date: Aug 2017 Device: Kobo Aura H2O, Kobo Aura One, Pocketbook Inkpad 3 Pro	Not sure what the size is the mini one, but battery models as those are named by dimensions. As example 2.5mm thick, 50mm wide, 85mm long battery would be named 255085. So measure yours and look for the coresponding one on ali or ebay.

06-06-2019, 09:48 AM	#5
Dr. Drib Grand Sorcerer Posts: 44,737 Karma: 55645321 Join Date: Jan 2007 Location: Peru Device: Kindle: Oasis 3, Voyage WiFi; Kobo: Libra 2, Aura One	Use Google and type in 'kobo mini battery replacement'. Google is your Good Buddy.

06-07-2019, 11:36 AM	#7
Zero_Ego Member Posts: 24 Karma: 10 Join Date: May 2019 Location: Melbourne, Australia Device: Kobo Wifi (N647), Mini	For anyone who is looking here is the URL. https://e-ink-reader.ru/battery_info_en.php?dev_id=80

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